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TRATAGEX LTD.31M13NE0006 2.15MO SKEAD 01 OC

Report

Ground Geopnysical Surveys St Antimony IL.alce fir F*lanagan Grid*

S W H.a.3rdemr- lUaJce Pr-oject Slcea.d Twp 9 Nom^tlmejrvm Oxmta.rio

Tab X e of Contents

l .O Introduction

2. O Px*opex-ty* L.oca.tioxi fir

3 .O Baclcs round

A. O Survey Description

netic *r VLF1 S^i3T~v^y^ 7 A . 3 M^i^cJMixm HIL.EM Sujc~vey 7

5. 0 Data Processing *r Presentation 8

6. 0 Survey Results: St Antimony Grid 8e. l Magnetic Results 8e. 2 MaxMin Results 9e. 3 VLF- Results 11

7. O Survey Results: flanagan Grid 127.1 Ma^;xmetic Results 127.2 VLE* Results 13

8. 0 Coxmc: Itx^ionus fir ****

Statement of Qualificatio

I Eqviipmexit Specif icatio

Suite 300. 75 King Street East. Toronto. Canada M5C 1G3 - Tel: (416) 362-3344 . Fax: (416) 362-3800

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List of

C. l Project Location Map 2

Fis. 2 Claim Map: Slcead Twp 3;. 3 Grid Location Map A

t of Tables

Table I Magnetic Targets 15

List of Maps

Cin rear pockets)

CNB: With Interpretation)

St.Anthony Grid: l:5OOO

Map STA—l Ma&netic Profiles

Map STA—2 Contoured Ma&neticsMap STA—3 VLF Profiles CNAA fir NSS)

Map STA—Aa Fraser Filtered VLF: NAAMap STA—Ab Fraser Filtered VLF: NSS

Map STA—5 MaxMin, a— 15Om: f — AAO hzMap STA—e MaxMin, a-*15Om: f — 17feO Hz

Map STA—7 MaxMin, a~~15Om, f *-~ 7Oeo Hz

Flanagan Creelc Grid: l : 25OO

L—l Magnetic Profiles

k—2 ContovEX-ed Magnetic s

Map FLA—3 VLF Profiles: NSS Map FLA—A Fraser Filtered VLF: NSS

TRATAGEX

Report:on

Ground Geophysical Surveys S -t. .Antnony Lalce 6r Fla.nasa.xm Grid*

Slcead Twp, Ontario SW Larder Lalce Project:

l.O Introduction

This report presents and discusses the results of ground geophysical surveys conducted by TechTerrex Inc. on two grids in Skead Township in northern Ontario (see Fig. 1) on behalf of Sudbury Contact Mines Ltd. under the general management of H.A. Hubacheck Consultants Ltd.

These surveys form part of an on-going exploration effort (designated the SW Larder Lake Project) by Sudbury Contact for diamonds, gold and base metal deposits in this and adjacent townships south of Kirkland Lake and Larder Lake.

2. O Property, Location fir Access

The property covered by these surveys consists of two un- patented claim blocks (1200397 and 1200398) in central Skead Township approximately 15 km south of Larder Lake in the Larder Lake Mining Division, as seen in Fig. 2.

These claims were staked by Gary Rosy of Swastika, Ontario and subsequently optioned to Sudbury Contact in 1993. They cover a substantial part of St Anthony Lake and the land area immediately to its east.

A single claim (1200451) tying on to the main block to the west was subsequently acquired by staking in 1993.

The property can be readily accessed from provincial Highway f624 by a seasonal bush road which extends 2 km southeast to the north shore of St. Anthony Lake. The eastern sector (Flanagan Creek Grid) can be accessed by a separate series of bush roads which extend south from the same highway at a point approximately 9 km south of Larder Lake.

Skead Township has been explored by many companies and individuals since the discovery of gold in the Kirkland Lake and Larder Lake camps early in the present century.

Geologic mapping by private companies and government geologists has delineated a belt of mixed Archean mafic and felsic volcanics (designated the Skead Group) which extends

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north-south across the township. The large Round Lake batholith occupies much of the region to the west. The Archean lithologies are overlain by gently dipping Huronian conglomerates to the southeast. Fluvioglacial overburden conceals a large portion of the bedrock geology.

With the advent of airborne electromagnetic systems in the 1950s, a variety of companies carried out AEM/aeromagnetic surveys of the volcanic rocks in eastern Skead Township, among them Mcintyre Mines, AMAX, Noranda, Cominco and Golden Shield Resources. Despite the favorable differentiated volcanic assemblage, these programs have to date delineated only barren sulphides and graphitic horizons. Additional recent efforts for gold have not led to the discovery of any notable gold deposits in the related iron formations.

Sudbury Contact has carried out exploration programs in Skead and adjacent townships since 1985, with an initial focus on gold mineralization. With the recognition of the diamondiferous kimberlites at Lac de Gras, additional attention was directed at the kimberlite potential of this district, based on the several kimberlites intersected north of Kirkland Lake at the Upper Beaver mine and in programs by Monopros.

As part of this program, a substantial area was covered by a combined INPOT/aeromagnetic survey flown by Geoterrex in 1990 with E-W lines at a spacing of 200m. The author recently re-evaluated the results of this survey for Sudbury Contact.

The present claims, one of a number of properties acquired based on the indicated EM and/or magnetic anomalies, cover an interesting discrete aeromagnetic feature detected in the western part of St. Anthony Lake, with an associated weak INPUT anomaly on its eastern margin. A further compound magnetic feature was partially delineated slightly further to the east; it is accompanied by several weak INPUT anomalies.

A separate aeromagnetic feature of interest was outlined in the eastern part of the property, near Flanagan Creek.

Limited prior exploration has been undertaken on the present claim blocks, which are underlain by predominantly felsic to intermediate volcanics with subordinate feldspar and quartz-feldspar porphyries.

Assessment work filed in Kirkland Lake includes ground EM surveys by Cominco (f539), Aeromagnetic and AEM surveys by Golden Shield (f991), geological and magnetic surveys by Imperial Gold Inc (11241), and, most recently, radiometric.

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magnetic, EM and geological surveys by Kapuskasing Resources. The incomplete magnetic coverage by Kapuskasing Resources partially delineated the main magnetic feature of interest, while the VLF survey suggested several conductors in the lake.

Following acquisition. Sudbury Contact carried out reconnaissance mapping of the few bedrock exposures along the shoreline of St. Anthony Lake and around the Flanagan Creek target. This mapping uncovered strong pyritization in the felsic and intermediate volcanics exposed along the southeastern shoreline near the mouth of Flanagan Creek. An outcrop of syenite porphyry was noted approximately 300m to the northwest, and an exposure of amphibolite to the southwest. Susceptibility measurements were also taken in the course of this reconnaissance.

A prior bathymetric survey of the western part of the lake by the provincial government defined an interesting local circular depression corresponding to the aeromagnetic anomaly.

Further east, andesitic volcanics are exposed north of the Flanagan Creek grid intruded by feldspar porphyries and non magnetic diorite. Reconnaissance mapping located a magnetic lamprophyre or syenodiorite north of the aeromagnetic high and northwest of Flanagan Creek.

A. O Sux-vey Description

The ground geophysical program on the St. Anthony Lake grid consisted of total field magnetics, VLF-EM and MaxMin HLEM surveys, while on the Flanagan Creek grid surveys were limited to magnetics and VLF-EM. Data acquisition was carried out during February and early March, 1994, by personnel of TechTerrex Inc. of Oakville, Ontario, under the direction of Mike Wilson, President, assisted by Bret Poulsen of New Liskeard, with input by the author in terms of survey design and supervision.

A. l Sux-vey Gjrids

The surveys were carried out on grids established by Norman McBride Linecutting Services between January 24 and February 16, 1994 under the direction of Peter Hubacheck of W.A. Bubacheck Consultants on behalf of Sudbury Contact Mines.

As seen in Figure 3, the St. Anthony grid extends along the southern part of St Anthony Lake and onto the adjoining land area to the east near the mouth of Flanagan Creek. The eastern two-thirds consists of N-S lines at 100m spacing

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which extend 400 to 500m north from the E-W baseline. The western third of the grid the lines are oriented E-W at 100m spacing, and are supplemented by several short N-S tie lines. A total of 17.2 km of grid was established.

Although the St. Anthony grid was mainly on the lake, the locations can be subsequently re-established using the land- based portion of the tie and cross lines.

The separate Flanagan Creek grid, located near the eastern boundary of the claim group, consists of five E-W lines at 100m intervals which extend 550m east from the 00 N-S baseline, for a total of 3.15 km of grid.

A. 2 MaKxme't.onte't.eir G* VH.F*

The total field magnetometer and VLF-EM data were collected simultaneously using the digitally recording Scintrex/EDA Omni Plus instrument, with readings at 12.5m along all the grid lines surveyed (20.35 km).

The magnetic survey employed a digitally recording EDA base station magnetometer to monitor and record diurnal variations.

The VLF-EM survey recorded the in-phase (dip-angle) and quadrature components for the NAA (Cutler) and NSS (Annapolis) VLF transmitters at 21.4 and 24.0 kHz, respectively. These are suitably aligned for E-W and N-S striking conductors, respectively.

Specifications for the Omni Plus instrument can be found in Appendix I.

The horizontal loop EM survey was performed with the MaxMin I instrument manufactured by Apex Parametrics of Oxbridge, Ontario. HLEM surveying was restricted to the St. Anthony grid, with measurements were taken at 25m intervals of the in-phase and quadrature components at 444, 1760 and 7060 Hz, using a coil separation of 150m over all the grid lines (17.2 km). All readings were recorded digitally for subsequent plotting, using an Apex MMC data logger. Where necessary, inclinometer readings were also taken to provide a first-order correction to in-phase readings for short cable effects.

The complete specifications of the Apex MaxMin instrument can be found in Appendix I.

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5 .O Da.*:a. PirocessdLns *r Presentation

The various geophysical data collected on the St. Anthony Lake grid are displayed at a scale of 1:5000, together with claim locations and key topographic features (Haps STA-1 thru 7). The data pertaining to the small Flanagan Creek grid are plotted at a scale of 1:2500 (Maps FLA-1 thru 4).

The total field magnetic data, after removal of diurnal variations, is presented both as profiles with posted values and in contour form (Haps STA-1 and 2 and FLA-1 and 2). The interpreted magnetic sources, differentiated in terms of susceptibility, are outlined on these maps, along with the VLF and HaxHin conductors.

The VLF-EH readings are presented as profiles of in-phase and quadrature values combining NAA and NSS data for N-S and E-W lines, respectively, at a profile scale of l cm - 10% (Haps STA-3 and FLA-3). In addition. Fraser filter versions of the in-phase readings have been calculated and plotted separately for each VLF transmitter (Haps STA-4a and 4b, and Hap FLA-4). The interpreted VLF conductors are indicated on each of these maps.

The HaxHin data (St. Anthony grid only) are presented as in- phase and quadrature profiles for each frequency, at a profile scale of l cm * 10% (Haps STA-5, 6 and 7). The interpreted HLEH conductors are shown on each map, differentiated as to bedrock and overburden sources.

.O SvEjrvey Results s St Antimony

.l Magnetic

On the St. Anthony Lake grid, the results of the total field magnetic survey, seen in Haps STA-1 and 2, readily distinguish several rather different magnetic domains.

The first domain consists of moderate to strong linear anomalies which trend E-N. This domain occupies most of the eastern portion of the grid; it is plausibly inferred to be composed mainly of mafic volcanics. Several cross faults are inferred, based on interruptions to the magnetic sources, including one which follows the mouth of Flanagan Creek. Depths to the magnetic sources are quite shallow in the eastern part of the grid but increase markedly west of 500E.

A much subdued magnetic terrane is glimpsed immediately to the north, consistent with felsic volcanics.

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The western third of the grid is occupied by a magnetic domain characterized by weak to moderate linear anomalies which strike mainly north-south. These could be a continuation of the volcanic terrane seen further to the east, with rotation and displacement by a probable N-S fault, or comprise part of a N-S diabase dike swarm in a dominantly felsic terrane.

An very interesting quasi-circular magnetic anomaly is defined in the northwestern corner of the grid, centred on line SOON near 1500W. In detail, three somewhat more magnetic portions can be distinguished. Depth to the magnetic source(s) is indicated to be 60-65m, consistent with the increase in water depths measured in this area. The source's diameter is approximately 500m.

The magnetic features defined in the ground surveys are consistent with those indicated by the aeromagnetic data, taking into consideration the increased resolution provided by the more detailed ground surveys.

e. 2 MaxMin HL.EM Results

The MaxMin HLEM results on the St. Anthony Lake grid, obtained at three frequencies with a 150m coil separation, display very high data quality, with only a few erratic in- phase readings. A possible shift in the null setting is suggested by the change in in-phase background in the 1760 Hz data between lines 500W and 600H.

The results disclosed a number of mainly weak conductive features characterized by predominantly quadrature anomalies at low and intermediate frequencies, as seen in Maps ST A-5, 6 and 7. The more interesting conductors are designated zones A thru E (discussed further below) and are generally best resolved in the 1760 Hz data (Map STA-6).

Zone A is a weak conductor best defined on lines 700N and SOON near 1200W, with a NNE strike. It is rated a possible bedrock conductor. It may well extend further NNE beyond present survey coverage.

As analyzed on line SOON, zone A yields a variable depth and conductance, depending on frequency: at 444 Hz a depth of approximately 30m and a conductance of 3 Siemens is indicated, while at 1760 Hz (which is more affected by overburden and would generally yield a slightly shallower depth and a lower conductance) a questionable depth of 80m and a conductance of 7.5 Siemens is obtained.

Zone A extends along the eastern margin of the quasi- circular magnetic anomaly, and hence likely reflects a fault or an overburden trough controlled by a fault.

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Zone A', a probable SSW extension, can be traced from line 600N to 100N close to the 1500W tie line. The anomalies are quite consistent with a narrow overburden trough paralleling a bedrock ridge to its east. Zone A 1 is essentially non-magnetic.

Zone B is a similarly weak, poorly conductive feature which strikes N-S across lines 400N to 600N near 1200W. It probably reflects conductive overburden on the east side of the inferred bedrock ridge. It is substantially coincident with a moderate linear magnetic anomaly, pointing to probable lithologic control of the inferred overburden trough.

The southern end of zone B appears to bend to the east near 400N. This E-W portion, designated zone B', also suggests that the overburden distribution may be controlled by bedrock lithologies.

Zone C is partially outlined at the western limit of coverage on lines 700N and SOON. It strikes N-S and is rated as a probable bedrock conductor. It is non-magnetic, lying well to the west of the circular magnetic anomaly. The incomplete anomaly on line SOON could be compatible with a tabular source at a depth of 40m and a conductance of 3.5 Siemens.

Zone D designates a broad region of significantly elevated positive in-phase readings recorded on lines SOON through 1000N in the northwest sector of the grid, and best defined on line SOON. The pattern of anomalous readings is consistent with a thin, flat-lying disk of conductive overburden. Its close correlation with the quasi-circular magnetic source and observed greater water depths points to a confined overburden source, possibly supplemented by weakly conductive bedrock, thus reinforcing interest as a potential kimberlite target.

Zone E is a weak E-W-striking conductor defined near lOON on lines 800W through 1200W near the southern claim boundary, west of where pyritized volcanics have been mapped. Although the conductor is only partially resolved, its characteristics are consistent with conductive overburden extending parallel to the shoreline.

Additional very weak conductive features are indicated to the east in the lake, among them is a rather strange, partially resolved anomaly at the northern end of line 600W where strongly positive quadrature readings may indicate an undefined conductive source in the lake beyond the present limit of coverage. These weak conductors are viewed as reflecting minor conductive overburden, and hence of little

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immediate exploration interest. However, their strike parallels the E-W magnetic sources, again suggesting underlying lithologic control.

At the low frequency (444 Hz), the main MaxMin conductors are essentially only quadrature anomalies. Zones A/A', B' and C are again discernible, as is the broad, quasi-circular zone D.

At the 7040 Hz, the discrete MaxMin conductors are largely overwhelmed by the overburden response, which has caused background in-phase and quadrature to shift to negative values. However, zones A', B' and C are still weakly recognizable.

e. 3 VX.F-—EM Results

The VLF-EM results on the St. Anthony Lake grid, obtained with NAA (Cutler) on the N-S lines and NSS (Annapolis) on the E-W lines, outline a number of moderate to strong conductors, as indicated on Maps STA-3, 4a and 4b. The principal conductive zones, most of which lie within St. Anthony Lake, are designated A-H. These are largely consistent with the previously described MaxMin conductors, although the axes are in places offset where VLF defines the edge of the conductive source.

VLF zone A' extends from line 200N to SOON near 1400W, in close correspondence to MaxMin zone A*. Note that MaxMin zone A itself has no VLF counterpart, likely due to its depth and/or screening by conductive overburden.

Zone B is a moderately strong VLF conductor defined to extend from line SOON to SOON near 1200W, in good agreement with (but in places slightly displaced from) MaxMin zone B. It displays a similar correlation with the linear magnetic source.

Like the MaxMin conductor, zone B changes abruptly in strike at its southern end; this portion, designated zone B', is offset approximately 100m south of the corresponding MaxMin conductor.

Zone C, a moderately strong, non-magnetic VLF conductor, is defined at the western limit of coverage on lines 600N thru SOON. It corresponds closely to the equivalent MaxMin conductor.

(Note that there is no VLF conductor which corresponds to MaxMin conductor D, attributed to a thin, flat-lying overburden source. Such a source would not be effectively defined by VLF-EM.)

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Zone E is a strong VLF conductor which extends E-W across line 1000W to line 1200W near 100N, in good correspondence with the equivalent MaxMin zone. It is similarly non magnetic .

VLF zone F is a strong response detected in the lake on E- W lines 100N thru 300N just east of the shoreline near 1550W. A series of broader VLF anomalies define an apparent NW continuation of this probable overburden feature along the shoreline to the northwest, designated zone F*.

Zone 6 is a strong VLF response defined on lines 300W thru line O near 75N, with a probable eastern continuation designated zone G* indicated on lines 100E thru 400E. Neither part has any consistent magnetic association, although a limited part of zone G 1 appears to be coincident with part of a moderate magnetic source. A fault inferred from the magnetic data appears to disrupt the overall conductive trend near 100E. The corresponding MaxMin response consists of very weak quadrature anomalies.

Zone H consists of two parallel VLF responses detected on lines 300W thru 100W near 250N. Both conductors are non magnetic. There is no corresponding MaxMin anomaly.

In addition to the above-designated VLF conductive zones, a number of strong anomalies were recorded along the E-W baseline. Most of these lie within the lake (with one corresponding to Flanagan Creek) and hence are probably overburden in origin. However, it should be kept in mind that both the strike and extent of these conductive features are essentially undetermined.

7.0 Sux-vey Results s PlAna&an

The total field magnetic data on the Flanagan Creek grid resolved the aeromagnetic anomaly into an ensemble of magnetic sources aligned NNW to NW (Maps FLA-1 and 2). The two main anomalies reflect subparallel, discrete, lobate, subvertical sources, each approximately 125m long. The eastern body is larger, slightly deeper (25-30m) and exhibits high susceptibility, while the western anomaly is smaller, shallow and of moderate susceptibility (see Table I). Subsidiary anomalies are outlined on line l DON near 125E and (partially) on the baseline near 100N.

The ensemble of magnetic features probably reflects several gabbroic or syenodiorite intrusives, aligned with the dominant NNW metavolcanic trends. However, the indicated

T R AT AGE X™* 1*5 ~

associated conductivity suggests possible sulphides (see discussion of VLF conductor L/L* below). A third possi bility, but considered distinctly less likely, is that the stronger magnetic anomalies could arise from kimberlites with an unusual lenticular geometry.

7.2 VLF*—EM Results

The VLF-EM results on the E-W Flanagan Creek grid define seven moderate to strong conductors designated J-Q, with a dominantly N-S strike (Maps FLA-3 6 4), conformable with general lithologic trends.

VLF zone J, the most persistent, extends across the entire grid near 325E, with likely continuations further to the north and south. The conductor lies on the eastern edge of the eastern magnetic anomaly on line 100S, but is generally non-magnetic.

Zone K, defined on lines 100S to 200N near 200E, is also non-magnetic. The northern portion is aligned with Flanagan Creek, pointing to a probable overburden source.

Zone L, located 100m west of zone K, consists of strong VLF anomalies detected on lines O and 100S near 125E. The conductor is coincident with the strong western magnetic anomaly, and hence attracts significant interest. Zone L' is a probable northern extension on lines lDON and 200N; it also exhibits magnetic coincidence but with a separate magnetic source, and hence is also of interest.

Zones M and N are adjacent strong VLF conductors which may well extend further to the NNW and south beyond the present coverage. Non-magnetic

Zone P is partially outlined by a moderate VLF anomaly detected at the eastern limit of line 200S; this non magnetic conductor may well extend further to the NNE and south.

Zone Q is a moderate, non-magnetic VLF response detected at the eastern limit of line 200N; it likely extends further to the north and SSE. It is speculated that zones P and Q are in fact continuous.

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8. O Conclusions Sr Recommenda.t::Lo

The combined magnetometer, VLF-BM and MaxMin HLEM surveys on the St. Anthony Lake and Flanagan Creek grids in Skead Township have successfully delineated the aeromagnetic and AEM features which occasioned acquisition of these claims.

On the St. Anthony Lake grid, the magnetic survey defined a very interesting quasi-circular magnetic anomaly in the western part of the lake; this 500m diameter source exhibits moderate susceptibility and is indicated to be overlain by unusually deep water and unusually thick conductive overburden, and hence constitutes a prime kimberlite target.

In addition, the HLEM and VLF-EM surveys on the St. Anthony Lake grid outlined eight weakly conductive zones which strike E-N in the eastern part of the grid and N-S in the western part; these may merit investigation for gold mineralization, either stratigraphically or structurally controlled, with zones A/A', B and C judged of greater interest.

On the eastern Flanagan Creek grid, the magnetic data delineated two tabular sources of interest as possible gabbroic intrusives (possibly with sulphides) or unusual lenticular kimberlites. Of the seven VLF conductors detected, zone L/L* is of principal interest in view of its magnetic coincidence; the other non-magnetic conductors are judged to be of lesser interest in terms of indicating possible gold mineralization.

Depending on the results of initial drill testing, expansion of the present magnetic and EM survey coverage may be warranted. The VLF-EM conductors on the Flanagan Creek grid should be confirmed by MaxMin surveys before any drill testing is contemplated. IP surveying may also merit consideration if disseminated gold-sulphide deposits are identified as the primary target.

Respectfully submitted.

Jerry icoth, M.A.

Senior Consulting Geophysicist

SDDB94el.ant

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•tic

St.. Antimony GridsLOG: 700N, 1550W Quasi-circular, 500m dia.

Interned susceptibility; 60m depth; poss. conductive

F* l atnagafcTi U&lce Gx~ict s

fi Loc: 120S, 125E Tabular, 175m x 50mHigh susceptibility Assoc. VLF conductor (L)

f2 Loc: 100S, 300E Tabular, 150m x 25mModerate susceptibility

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Doyle, H.A.(ed), 1984, Geophysical Exploration for Precambrian Gold Deposits, Univ. of W.A., Publication No. 10

Grant F. and Nest G., 1965, Interpretation Theory in Applied Geophysics, McGraw-Hill

Hewitt, D.P., 1949, Geology of Skead Twp, ODM Report f58 Part 6

McCracken, K (ed), 1979, Modern EM 6 IP Exploration Techniques, AMIRA Course Notes

Roth, J., 1993, Mendigo Project: Evaluation of AEM and Aero magnetic Data, for Sudbury Contact Mines Ltd.

Sudbury Contact Mines, 1992-93, Proprietary Reports and Nemos

Van Blaricom, R.(ed), 1992, Practical Geophysics and Gold Case Histories, NNMA Short Course Notes

Wilson, M., 1994, Operations Report on a Total Field Magnetic, VLF-EM St Horizontal Loop EM Survey, Larder Lake Mining Division, for Sudbury Contact Mines, TechTerrex Inc.

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Qua l if i*

I, Jerry Roth, of STRATAGEX Ltd. of Toronto, Ontario, make the following statement of qualifications:

I am an independent consulting geophysicist with offices at 75 King St. East, Suite 300, Toronto, Ontario

I hold a B.A. degree in Mathematics and a H.A. degree in Geophysics from Harvard University, Cambridge, Mass.

I have practiced my profession continuously since 1966, and have been an independent consultant since 1984.

I have based the interpretations and conclusions contained in the preceding geophysical report on my general pro fessional expertise and on my particular knowledge of the geophysical surveys and the exploration project of which they form an integral part;

I neither hold nor expect to receive any interest in the property discussed nor in Sudbury Contact Mines Ltd, other than normal consulting fees.

Jerry 'Roth, M.A. Sr. Consulting Geophysicist

Appendix I

Equipment: Specif ica. t io

EDA Omni Geophysical System

Brief Description

When you require more flexible geo physical techniques in order to find the increasingly more elusive anoma lous targets. Scintrex offers you the EDA Omni System. This system enables you to design your own unique instrument whether it is for complete Magnetic surveys, VLF Electromagnetic surveys or a combi nation of these techniques.

At the heart of the Omni System is the Omni System Control Console which is common to all Omni System appli cations. This customized approach gives you the ability to select the fol lowing options for your instrument:

* Portable Field and Base Station Magnetometer

* True Simultaneous Gradiometer* Portable Reid and Base Station VLf

Electromagnetic Receiver* Two Probe, VLF Resistivity* Non-Orientation, VLF Resistivity

Applications

Since the Omni System capabilities are so versatile, the data collected and recorded by the instrument can be applied to a variety of earth sciences including:

- mineral exploration- geological mapping- groundwater exploration- groundwater contamination- civil engineering- geotechnical studies- archaeology

Matures

Omni System FeaturesEach Omni System incorporates the fol lowing features:

Flexibility of the Omni System

You can select your own options to cus tomize your unit to suit your specific geo physical needs.

Microprocessor Controlled

Gives you a choice of three fully protected data storage modes:

- spot record, for readings without grid co ordinates (random samples)

- mufti-record, for multiple readings at one station

- auto-record, for automatic update of sta- 'ion position

complete Data Protection

The internal lithium battery assures you of complete data protection for up to 5 years.

Measures and Records in Memory

Measurement and recording in memory of the following magnetic field data for each reading:

- total field magnitude- true gradient of the total field- applied base station value- statistical error- signal strength-decay rate

Measurement and recording in memory of the following VLF data tor each field read ing:

- vertical in-phase- vertical quadrature (out-ol-phase)

- total dip anglemary field direction

apparent resistivity phase angle signal-to-noise ratio operator quality

The OMNI system configured as a MAGM.F smptties geophysical surveys by combining Maonenc ana Vlf EM techniques

Records Survey Data

Records the foHowing survey data for each magnetic and/or VLF reading:

- time of measurement and date- grid co-ordinates- direction of travel along grid lines- natural and cultural features

Measures ip to 3 VLF Transmitting Stations

The Omni System can measure up to 3 VLF transmitting stations and provides more complete coverage of an anomaly regardless of the orientation oi tne trans mitter with respect to the survey grid or the anomaly itself.

Electronic Notebook

The internal Electronic Notebook enables you to record natural and cultural features that are unique to each grid location. This feature eliminates the need for a field notebook and provides additional informa tion that can assist in interpreting record ed data.

Automatic Correction Using The Omni System's Unique Tie-Line" Technique

The Tie-Line" algorithm used exclusively by the Omni System allows for the self cor rection of atmospheric magnetic variations and variations in the primary field from the VLF transmitter(s). The instrument is able to store looping' or tie line* data in a sepa rate memory at the beginning of each sur vey and then subsequently stores total field readings in a second memory along with the field readings of the tie point(s). At the end of each survey day the Omni System will then merge these two memo ries to automatically correct the total field data for diurnal variations.

The Omni System in the "Tie-Line" mode can:

- Store looping or tie line data. 3 ways:

1. Using one looping base point2. Using one Tie-Line* comprising a

number of tie points, or3. Using multiple tie lines.

- Store up to 100 tie points in one survey area or divide these points into exten sions of survey areas as needed.

- Store tie points or tie lines for the dura tion of the survey.

- Calculate the drift between established tie points, to readily see variations in the Earth's magnetic field.

Omni System Benefits

tar* OM Instrument Needed tor Magnetometer. Gndiometer. VLF and VLF Resistivity SwveyJnQ

The Omni incorporates the capabilities of a "Tie-Line" magnetometer and simulta neous Gradiometer system with the ability to measure VLF magnetic and electric fietds.

Only one complete Omni System is need ed to record all of the following geophysi cal parameters:

1. The total magnetic field2. The simultaneous gradient of the total

magnetic field.3. The VLF magnetic field including:

- the vertical in-phase- the vertical quadrature- the total field strength-the total dip

4. The VLF electric field, including:- the phase angle- apparent resistivity

A complete Omni System can. at each location, calculate and record in less than 8 seconds, four VLF magnetic field parameters from three different transmit ters, a magnetic total field reading and a simultaneous magnetic gradient reading. In addition, it can also measure and record two VLF electric field parameters from three different transmitters.

Upgrade your (tot at any Time

Since the Omni System is based on a modular design, you can upgrade your system at any time. This built-in flexMity allows you to purchase an Omni System with only the surveying equipment that you need for now but does not limit you to one appfccation. When your surveying needs grow, so can your Omni System.

Saves vMThne

The Omni System with the unique 3-coi VLF Sensor does not require orientation of the VLF Sensor head toward the trans mitter station. This simplifies VLF field procedures and saves considerable sur vey time. The operator does not need to orient the sensor head toward the first, selected transmitting station and then re

orient towards the second or third trans mitting station.

The non-orientation technique is the first of its kind, and this provides the Omni System with many additional benefits. These benefits include:

- When you use the Omni System as both a magnetometer and VLF base station, you only need one instrument instead of three, to record data auto matically from 3 VLF transmitting sta tions.

- When you use the Omni System with the Non-orientation VLF-Resistivity option, you can record automatically from 3 different stations the phase angle and apparent resistivity without having to re-orient any of the three electrodes. You can also use the Omni System with the conventional, two electrode method.

The Omni System quickly responds with a one-key operation. For example, if you must complete a magnetometer/gra- diometer and three frequency VLF survey using the Omni System, you automatically measure the magnetometer, simultane ous gradiometer and three VLF frequency data by pressing only one key. Using another combined system, up to 5 differ ent steps may be required. Such as. the operator would have to take one magnetic reading; then another sequential magnet ic readmg to calculate the gradient; orient the VLF sensor to the first VLF transmitter and then take a rearing; orient the VLF sensor to the second transmitter, take a new reading and then repeat the same procedure for the third frequency. The Omni System one-key operation takes less than 8 seconds; a significantly short er time period than the 5 step operation of other combined systems.

Since the Omni System saves al of the field data hi memory and has many output capabilities, the efimination of the fieldJXJT*.. fr. n olr MMM4 nlr rt .1-.. mfnmtfl n iaiain n A^HM^^AnoieoooKano SKO me vansflpoon errors that can occur saves you a considerable amount of time.

Diurnal corrections, using the time saving "tie-tone" method, can be done automata-

cally by the Omni System eliminating hours of manual and tedious calculations. You can then directly transfer the correct ed data to a computer for further data pro cessing.

Higher Productivity System

Combined Magnetometer/VLF systems are inherently faster than conventional methods whereby two different operators collected magnetometer and VLF data from separate instruments.

Because of its unique user-friendly design, the Omni System provides higher field productivity for the user. The increased productivity originates from its two-micro processor approach which significantly reduces calculation time and also from the non-orientation VLF technique.

Sensitive to Weak VLF Signals

The Omni System's ability to obtain repeatabte readings from weak signals offers a number of benefits:

- It extends the use of VLF on to coun tries where its use was previously marginal.

- It enables you to increase the number of frequencies with which you can operate.

- It reduces your need for portable VLF transmitters

- K improves the quality of your read ings in rugged terrains, such as the deep valleys of tne North American Rockies.

The Omni System's digital signal process ing removes the modulation in the received signals. This technique helps stabilize too weak signals much greater than the conventional phase-locked loop method.

Ability to receive weaker signals (20nAftn) and a background noise reduction algo rithm are among the reasons why the Omni System can obtain repeatabte read ings from signals which had previously been too weak to record.

.ne Omni System as a Portable Field Magnetometer

OMNI MAG electronics console with total field magnetic sensor

Simplifies Fieldwoifc

The Omni makes surveys easier to con duct because:

- the electronic notepad eliminates the teed to write down field data. The Omni simultaneously stores time, field measurements, grid co-ordinates when you press any one of the three record keys.

- you are able to dear the unwanted last reading.

- the Omni automatically calculates the difference between the current reading and previous one.

- you can remove the coarse magnetic field value or data from the field data to simplify plotting of the field results.

- the Omni automatically calculates diurnal collections.

The flexibility of the Omni System offers the following choices:

- if you use the Omni as a field magne tometer or as a gradiometer, the total field data can be corrected using the unique Tie-Line* or looping' method.

- if you use one Omni as a base station. it will correct the total field magnetic data in:

- an Omni set-up as a field magne jtometer* an Omni set-up as a gradnmeter

The Omni provides you with unparalleUed data repeatability. This is a result of four leading edge design features that elimi nates the need for taking multiple read ings:

- Signal Processing Technique- Constant Energy Polarization that

maintains equal energy to the sensor- Processing sensitivity to ±0.02 gamma- Automatic Fine Tuning which uses the

previous reading as the base for the next

Sams YOB Time

The error analysis feature is a great time saver as the calculation of the statistical error of each reading lets you make an on-the-spot decision whether or not you should store the reading.

The Omni System also saves you time- consuming steps as it can:

- automabcaly assign a record number which you can also use to identify read ings measured off of the grid.

- take more than one reading at one point without updating the current sta tion

each station coordinate. The Omni magnetometer also provides a decimal digit for intermediate station intervals of 12.5 metres.

- rapidly recall readings either by record number or in sequence.

Tolerates Higher Gradients

The ability to tolerate local higher gradi ents of up to 6000 gammas per metre (field proven), is possible due to a sophis ticated signal processing method and to a miniature sensor design using a highly optimized sensor geometry.

A Variety of Power Supply Options

You can choose from the following power supply options:

- non-magnetic rechargeable sealed lead-acid battery or belt

- heavy duty rechargeable battery- alkaline battery belt- 12V DC power source

accordng to the programmed station interval, automaticaly update your sta tion position without having to program

The Omni System as a Base Station Magnetometer

The Omni Base Station Magnetometer effectively measures and stores in its memory the daily fluctuations of the Earth's magnetic field. The Omni can automatically correct total field data of other Omni units in just a few minutes.

Records Magnetic Reid Activity

The magnetic field activity is recorded in the following format:

- time of measurement- magnitude of total field- difference from the reference field value- difference from the previous reading- sequential record number

Automatically Corrects Data

The Omni in the base station mode can automatically correct magnetic field data for both diurnal variations and reference field values. It can also correct total field data stored in:

- another Omni System used as a field magnetometer

- another Omni System used as a field gradiometer

This is ideal when you want to remove diurnal errors sufficiently to make use of the full 0.1 gamma resolution of the Omni System.

Automatic Drift Calculation

The Omni automaticaly calculates the dU- ference between each reading and its programmed reference field. If at the end of the survey day you find that the refer ence field is incorrect, you can re-select a new one and the Omni System can instantly re-calculate the drift. The drift calculation can be presented in either dig ital and/or profile plot format. It can also be simultaneously output to a compatible printer so you can visually verify the activ ity of the field.

Calculates Differential Field Variations

The Omni calculates the difference between the current readmg and the previ ous one to a resolution of 0.1 gamma. This features assists you in ascertaining the

degree of activity that is occurring such as a magnetic storm or active conditions.

Stores Approximately 55 Hours Of Continuous Unattended Monitoring

The Base Station mode enables you to store up to 20.000 sets of readings which is the equivalent to approximately 55 hours of unattended monitoring at a 10 second sampling interval. You can pro gram the cycling time at any interval between 5 seconds and 60 minutes in 1 second increments.

Outputs and Stores Data At the Same Time

The Omni can simultaneously output data in digital or ASCII format to your choice of data collection units at the same time it stores the data in memory.

Synchronize Real Time Clocks

The Omni System real time docks can be synchronized to the nearest second.

Magnetic Base Station Accessories Kit

Sensor Extension Cable - This 30 metre cable enables you to place the Omni in a sheltered environment such as a tent, and position the magnetic sensor up to 30 meters away. This capability aids in elimi nating possible cultural interference.

Rope Joiner - The rope joiner enables the sensor staff to be supported by ropes when it is being used as a base station sensor.

Magnetic diurnal cc a base station magi

rrections an automatical made by using an OMNI MAG as

The Omni System as a Portable VLF Unit

The Omni VLF unit allows you to do all of your surveying completely hands free and provides you with the ability to measure and record in a tully protected memory for each field reading the following informa tion:

- vertical in-phase- vertical quadrature (out-of-phase)- total field strength- dip angle- primary field direction- apparent resistivity- phase angle-time- grid co-ordinates- direction of travel along grid lines- natural and cultural features

The field data is compensated for 180 degree difference in direction of travel up and down survey lines.

Requires No Orientation

The Omni does not require you to orient the VLF sensor head toward the VLF transmitter station. This simplifies field procedures as well as saves you consid erable survey time. When you measure three VLF transmitters, the benefits of this time-saving feature automatically triple. You do not have to orient yourself and the sensor head toward the first selected transmitting station and then re-orient towards the second or third transmitting station.

The ability to obtain data from as many asthree VLF transmitting stations provides complete coverage of an anomaly regard less of the orientation of the survey grid or of the anomaly itself.

Saves YOB Time

The Omni can measure up to three VLF frequencies (transmitter stations) simulta neously, in as little as 8 seconds, or one VLF frequency in only 3 seconds, depending on the transmitter strength.

The Omni automatically tunes to the pre programmed frequency(s) tor each read ing. Display descriptors indicating signal- to-noise ratio provide you with an immedi ate indication of how usable a frequency

The unique 3 coH design of itte OMNI VLF atoms reading of up to 3 separate frequent out having to oner* lo each of the transmitting VLF stations

leswitt-

is. Using up to three frequencies opti mizes conductor coupling, even in the most complex geologic environments.

Receives Very Weak or Too Strong Slgnls

Being able to select a transmitter station(s) best suited for the survey target and orientation is not always possible with conventional VLF systems. The ideal sta- tion(s) may be too weak or overwhelmed

by the signal strength of a transmitter that is close in frequency proximity. Through digital signal processing, the Omni can receive signals as tow as 20 nA/m from very weak stations, by remov ing the modulation in the received signal. Analog filtering of the Omni System offers an unparaleted 80 dB for a 600 Hz chan nel separation. In other words, the Omni can isolate and measure a 1000 times weaker signal from a distant station in lieu

. ne Omni System as a Portable VLF Unit

of the doser and subsequently more stronger station that is only 600 Hz apart in frequency.

Reduced Atmospheric Noise

Atmospherics such as thunderstorm activ ity, as well as the resultant interaction between the sun's rays and the iono sphere can drastically alter the wave guide in which the VLF wave travels from the transmitter station.

Through signal enhancement, the Omni is able to suppress the effects of these atmospheric and ionospheric phenomena, which are more predominant in the sum mer months, in order to pick up the weak est of transmitter stations. For example. Omni Systems used in Southern Africa have demonstrated the unparalleled abili ty to pick up 7 transmitter stations.

wides More Complete. 3-Dimensional inscription ol Survey Area

The Omni can measure the total tilt or dip of the polarization ellipse from the vertical axis. Unlike conventional systems, where only the tilt of the major axis of the polar ization ellipse is measured, the Omni is most sensitive to the horizontal compo nents perpendicular to the primary field which can detect anomalies off to the side. This provides a more complete, three dimensional description of the sur vey area that can lead to the detection of anomalies between grid lines. The Omnfs tilt transducers compensate for both tilt and roll position of the VLF sensors.

- Scan For Tke Most UsaMeStatJM

The Omni enables you to automaticaiy scan the entire VLF spectrum tor the most usable stations between 15.0 kHz to 30.0 kHz in increments of 100 Hz. This is most desirable H you do not know first hand what stations are readable or what stations an* availahto from ymir location Unpublished or unknown stations now

pme accessible. You can then deter- .....ie if a known station has changed fre quency simply by the direction of trans mission.

50-

"5,40-

vu^30-•o

j 20lii "Si u iono: \k

15.0 20.0 25.0 30.0Frequency (kHz)

VLF Frequency Spectrum - Toronto. Canadal_^^____^___^_^_^^_____^^_^^_^__^__^^___^_ By completing a VLF Spectrum the operator can determine which VLF stations are useable in the survey area

Automatically Calculates the Fraser Fitter

The Omni automatically calculates the Fraser Filter from the dip angle data, regardless of the interval between the stations along the grid lines. You no longer have to manually perform this mathematical calculation thereby reduc ing the possibility of human emir. The Fraser Filter algorithm follows established conventions.

The Fraser filtered data is output using both the 4 point and S point filter method.

The latter method allows filtered data to be plotted easier, such as at the station interval instead of in-between stations.

Calculation of ellipticity

As an option, the Omni can calculate the true ellipticity of the VLF magnetic field from the measurement of the in-phase and quadrature of aU three components. The ellipticity provides more interpretive information about the anomaly than the dip angle and is less influenced by over burden shielding.

OMM VLF electn VLF sensor

iththeVLFbackp vt&Bng the unique 3 cai

Specifications

OMNI System Specifications

Operating Environment -40C to +55C: D-100% relative humidity; weatherproof

Power Supply Non-magnetic recharge able sealed lead-acid battery or belt; alka line battery belt; or 12V DC power source option for base station operation.

Battery Life 1.700 to 5.000 readings, for sealed lead acid power supply, depending upon ambient temperature and rate of readings.

Weights and Dimensions

Instrument Console3.8 kg. 122 x 246 x 210 mm

VLF Sensor Head 0.9kg. 140 dta. x 130 mm

VLF Electronics Module1.7 kg. 280 x 190 x 75 mm

Standard Rechargeable Battery 1.8kg. 138 x 95 x 75 mm

Standard Rechargeable Battery Belt1.8 kg. 540 x 100 x 40 mm

Heavy Duty Rechargeable Battery 2.0kg. 138 x 115 x 75 mm

Alkaline Battery BeK1.2 kg. 540 x 100 x 40 mm

Magnetometer Sensor 1.2 kg. 56mm da. x 200mm

Gradient Sensor(0.5m separation - standard)2.1 kg. 56mm da. x 790mm

Gradient Sensor(1.0m separation - optional)22. kg. 56mm dia. x 1300mm

DisplayCustom designed, rugged liquid crystal display with an operating temperature range from -40C to +55C. The display contains six numeric digits, decimal point, battery status monitor, signal decay rate and signal amplitude monitor and function descriptors.

Magnetometer Component Specifications

Dynamic Range 18.000 to 110.000 gam mas. Roll-over display feature suppresses first significant digit upon exceeding 100.000 gammas.

Tuning Method Tuning value is calculat ed accurately using a specially developed tuning algorithm.

Automatic Fine Tuning ±15"5fc relative to ambient field strength of last stored value

Display Resolution 0.1 gamma

Statistical Error Resolution0.01 gamma

Absolute Accuracy ± 1 gamma at 50.000 gammas at 23C - ±2 gamma over total temperature range

Memory Capacity

Standard Memory Capacity 1 300 data blocks (48K) or 5200 data blocks (128K)

Total Field or Gradient 1 00 data blocks

Base Station 4000 data blocks (48K) or 16.000 data blocks (128K)

RS-232C Serial I/O Interface Variable baud rate from 300 to 9600 baud. 8 data bits. 2 stop bits, no parity

Gradient Tolerance 6.000 gammas per metre (field proven)

Test Mode A. Diagnostic testing (data and programmable memory) B. Self Test (hardware)

Sensor Optimized miniature design. Magnetic cleanliness is consistent with the specified absolute accuracy.

0.5 metre sensor sep aration (standard) normaized to gam mas/metre. Optional 1.0 metre sensor separation avalabie.

Remains flexible in tenv spedfied including strain

Cycling Time (Base Station) Programmable from 5 seconds up to 60 minutes in 1 second increments.

VLF Component Specifications

Frequency Tuning Range 15 to 30 kHz in 100 Hz increments with bandwidth of ISO Hz; tuning range accommodates new Puerto Rico station at 28.5 kHz.

Transmitting Stations Up to 3 stations can be automatically measured at any given grid location within frequency tuning range.

Recorded VLF Magnetic Parameters Vertical in-phase. vertical quadrature (out- of-phase). total field strength (or optional horizontal amplitude), dip angle

Channel Separation 80 dB at 600 Hz frequency separation

Standard Memory Capacity 1300 com bined VLF magnetic and VLF electric measurements as well as gradiometer and magnetometer readings

222 Snidercroft RoadComxMd.Ontario.CanadaL4K1B5

Telephone: (416) 669-2280 Telex: 06-964570 Telefax: (416) 669-6403

(416) 669-5132

peratureirelief connector OMNI/2

MAXMIN IEM

The MaxMin I ground EM System is designed for mineral and water explora tion and for geoengineering applications. It is an expansion of the highly popular MaxMin H and HI EM System concepts. The frequency range is extended to seven octaves from four. The ranges and numbers of coil separations are increased and new operating modes are added. The receiver can also be used independently for measurements with powerline sources. The advanced spheric and powerline noise rejection is further improved, resulting in faster and more accurate surveys, particularly at larger coil separations. Several receivers may be operated along a single reference cable.

Mating plug in data acquisition'computer and cassette unit are available for use with the MaxMin I for automatic digital data acquisition and processing. These units are covered in separate data sheet.

MAXMIftl I SPECIFICATIONS:

Frequencies: 110. 220. 44). 880. 1760. 3520. 7040 and 14TJ8O Hz. f* K 5O/6O Hz powerfne frequency [receiver only].

Modes: MAX 1: Horizontal loop mode (Transmit ter and recener col planes horizontal and coptenar).MAX 2: Verocal coplanar loop mode [Transmitter and receiver col planes vertical and coctenar).MAX 3: Verocal coaxial loop mode (Transmitter and receiver coil planes verbca) and coaxial).MIN 1: Perpendicular loop mode 1 (Transmitter :oi plane horizontal and receiver col pane vertical].MIN 2: Perpendicular loop mode 2 [Transmitter coil plane vertical and receiver col pane horizontal].

Coil 12.5. 25. 50. 75. 100. 125. 150. separations: 200.250.300. S 400 metres [stand

ard].10. 20. 40. 50. 80. 100. 120. 160. 200.240 fc 220 metres (selected with grid switch rsde of receiver].50.100. 200. 300. 400. 500. 600. 800. 1000. 12OO R 1600 feet (selected wnh grid switch inside of receiver].

Parameters In-Phase and Quadrature components of measured: the secondary inagneoc field, in * of

primary [transmitted] field.Field ampftuoe and/or tit of 50/60 Hz powerine fieto.

Readouts: Analog dree: readouts on edgewise panel meters for in-phase. quadrature and tit. and for 50/60HZ ampftude. (Addrtional dgrtal LED readouts when using tt* QAC. for which interfacing and controls are provided for plug-in].

Ranges of Analog vvphase and quadrature scales:readouts: 0*4*. 0:20*. 0±1OO*. switch

activated. Analog tit scale: O ±75*grade. (Digttal in-phase and quad.O ±102.4*].

Readability: Analog in-phase and quadrature 0.05* toO.5%. analog tit 1* grade. (Digital in-phase and quadrature 0.1*).

Repeatability: ±0.05* to ± 1X imiaty. deperefng on frequency, col separation 6\ conoV oons. f

Signal filtcrtnc:

Warning lights:

Survev isnth:

Powerfine comb fitter, continuous spherics noise doping, autoedjusting time constant and other fikering.

Receiver SKjnal and ights to indicate

From surface down to 1 .5 times col separation used.

110Hr220Atm? 220Hz:215Atnr' 440Hc210Atm? B80Hz:200Atm'

1760 Hz: 160 Aim*3520 Hz: 80 Arm*7040HE 40ADn*

14080Hr 20Atm'

Transmitterdipolemoments:

Reference csble:

Intercom:

Receiverpowersupply:

Transmitterpowersupply:

Transmitterbatterycharger:

Operating temp:

Receiver weight:

Transmitter weight:

Shipping weight:

Standard spares:

SoBufcnuons subject to chunyo iMilml nooBcauon.

Light weight unshielded 4/2 conductorteflon cable for maximum temperature range and for minimum friction. Please specify cable lengths requred.

Voice commuracabon ink provided for operators via the reference cable.

Four standard 9V batteries [0.5Ah. akafne]. LJfe 30 hrs continuous duty, less in cold weather. Rechargeable bat tery and charger option avateUe.

Rechargeable sealed gel type lead acid 12V-13Ah batteries (4x6V-6V2Ah) in canvas belt. Optional 12V-8Ahight duty belt pack avaiaUe.

For 110-120/220-240VAC. 50/60/ 4OO Hz and 12-15VDC supply opera tion, automatic float charge mode, three charge status indicator lights. Output 14.4V-1.25A mm.

-4Oto

B kg. ndudkig the two integral ferrite cored antennas (9 kg with data acq. camp.]

1 6 kg with standard 1 2V-1 3Ah batterypack.14 kg with Ight duty 1 2V-8Ah pack.

59 kg plus weight of reference cables at 2.5 kg per 100 metres plus other optional items if any.

One spare transmitter battery pack. one spare transmitter battery charger. two spare transmitter retractJe con necting uvus. one

APEX PARAMETR3CS LIMITED P.Q Box 818. Uxbridge Ontario. Canada LOG 1KO

Telephones: 416-64O-6102 416-852-5875 Cables: APEXPARA TORONTO Tetex: 06-966625 APEXPARA UXB

©Ontano

Ministry o*Northern Development•ridMtoea

Report of Work Conducted After Recording Claim

31M13ME0006 2.15800 SKEAD

•anon* Information coflactad on this term it obtained under tt* authority of thaMW this coHctton should ba diractad tt m* Provincial Manager. Mining Land*. MnM Sudbury. Ontario. P3E 6AS. tatophona (705) 670-7264.

natructkxia: - Please type or print and submit in duplicate.- Refer to the Mining Act and Regulations for requ

Recorder.- A separate copy of this form must be completed for each Work Group.- Technical reports and maps must accompany this form in duplicate.- A sketch, showing the claims tha work is assigned to. must accompany this form.

GARY KOSY, 27 COHROY AVE. r SWASTIKA, ONT. POK 1TO #153728

900

AGENT: SDDBDRY CONTACT MINES LTD.CVent No. 198617

SUITE 2302, 401 BAY ST., TORONTO, ONT. M5H 2Y4

LARDER LAKE SKEAD

Work P""* JANUARY 24, 1994 TK FEBRUARY 16, 1994

Vorfc Parfonnad (Check One Work Group Only)Work Group

X Geotechnical Survey*M~- — * — — a ***- -*-rJljWKm ffUiHtIndudbig DrWng

Ba^tAaSUnnHffifWl

Other Authorizedllfflrtrvvum

Asaaya

Asajjnrmnt from

TypeGROUND GEOPHYSICAL SURVEYS (MAGNETICS, MAXMIH EM)

- *

otal Assessment Work Claimed on tha Attached Statement of Coals S 13,367.toto: The Minister may reject for assaaamant work uadH aa or part of the eeseeement work submitted if the recorded

holder cannot verify expenditures claimed in tha statement of coats wMhhi 30 days of a raojusat for verification.

•eraona and Survey Company Who Parformad the Work (Qrve Mama and Address of Author of Report)Name

STRATAGEX LTD. SUITE 304, 47 COLBORNE ST.,

JERRY ROTH TORONTO, OUT. MSB 1P8

* ^~~. ftf^A^ fta. 4 - — -- - - — - —*-^-see noie no* i on reverse SMSV Vwt *lttw ttm* Mw i H partomwd. t

dlnitwoumnihoUar'anainaorhaUundarabaMSeWby ttw curran raoordad hoUar.

JAN. 11/95

l cattHy lhat l han* a panonel knowladga ol ft* iacta aat tertti in iNa Work upon, ha^ng parlormad fta work or imand raport to true.

during and/or altar

w^ HUBACHECK CONSULTANTS LTD., PETER C. HUBACHECK, P. GEOL. 141 ADELAIDE ST. NEST, STB. 1401, TORONTO, OUT.

ING DIVISION

JAN 12 1995

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ttts you oro claiming in this report may be cut back. In order to minimin the advene oflocfa of such dslettins. ptoasa indicate fromL:—*. *J^Z^^^ - - —- - uM^^t Owfc. MuAtfMei^^ai eaaiA ^o^ata^hOljMt. ^^ ^^e^k^aVA^ Me^^^^^^ ^^t^k^aV f - * "-— — —* "*~ ~ *—"* — - - *— —ncn claims you wien to pnonzo me owooon of crooRa. rieeae mane r one of the fosowlngi

D Credits are to be cut lCredits ore to be cut bock oqutfy ovor ol doJms contoJnod in this report of work.

D Credits are lo bo cut bock as priorizod on the attsched eppondbc.

the event that you neve not specified your choice of priority, option one wM be implemented.

1: Examples of beneficial Interest ere unrecorded trsnefen to the mining

2: H work hes been performed on patented or

Kttfy that th* recorded holder had a beneficial interest in the patented |*ased (and at the time the work was oerfomed

Signature l Date~ "l

MMatfyofNorthern Development

OntanoMinistaredua*^a^a^UMM*^MMAa^ rt* i fclrurluvvvnppefneni ou nora at daa mima

Statement of Costs for Assessment CreditEtat des coOts aux flns du credit devaluationMining Act/Lol aur le* mines 2.15800

tenon coMCted on thto form la obtained under the authority Las ranaalgnements personnels contenua dans to pntoanto formuto aontof the Mfning Act Thto information wal be uead to maintain a record and racues^envartuc^tol^eurleemlnMetaefvlront*ter^*lowuniMistieongoing etatus of the mMngdaMa).OiJeaota about th^ dee conceaatona mlnlerea. Adramr toute querton aur to coaece de CM

dkectod to the Provincial Manager. MbHngs Lands. MmWry of Northern renaelgnemenuj au chef provincial daa torralna mmlera. mMtlere duriopment and Mhws. 4th Floor. 150 Cedar Street. Sudbury. Ontario DevetoppemBm du Nord ei dee Mnea. 150. rua Cedar. 4* etaga. Sudbury6A5. telephone (705) 670-7264. (Ontario) P36 6A5. telephone (705) 670-7264.

. Direct Coats/Coots directs

Typs

etderexpert-

FoumNuraa

Location da

Mabvd'oeuvreRaU Supervision Supervision sur to terrain

GEOPHYSICS SURVEY

(MAG/MAX HIM)GEOPHYSICS

REPORTTUP*

Amount

773.2:

8938. 0(

2456.O!-ai^

Total Otoact Coats Total daa coOta dlracta

Totato Total global

773. 2'

2. IncUfect CoataVCoOts Inxflracts ** Note: Whan claiming RahabMatton work In ara not

Pour la rambouTsamant daa travaux da nttiabMallon. tos oouta Indpacta na am^ paaadmiaaKjlaaantant ojuat

Sub Total of Indirect CostaY^^ft^hl ^h^^flM^tl ^AM^ ^**At^ l^h^k^k^d^imai pamw oaa cuuis inawcn

bto (not graeter Oien 20H of Direct Coste)200

ToM Value on32(ToMofOnetaM4

l pea M % dee

Ma: Tha racordad holdar wil ba raquirad to vaiHy axpandtturaa cWmad In trm atatamant of coals within X days of a raquast for verification. If yariflcaoon la not rnada. tha Minister may reject for i al or part of the aaaaaamant work aubi

la present Mat daa coftts dana lea 30 fours auhmnt una demanda a cat effet SI Is varHcaHon n'ast pas effactuaa. Is mWatre paul rajatar tout ou una parta daa travaux d"avaluatlon i

ling Discounts p pot

Workfft^wHhlnhroyeaT8ofompletioniscteimeda11009fco( tha abova Total Value of Assessment Credit

1. Las travaux dsposss dana las deux rsmtxantsalOOHdebv

i suhant laur achavement aont iducrMtcTewkMllon.

Work Mad three, four or five years after completion is claimed at SOto of tha abova Total Value of Assessment Credit Saa calculations below:

'out Value of tx 0.50 -

2. Las travaux deposes trbia. quatre ou drtq ara apras tour achsvement sont remboursas a 50 H de to vatour totato du credit d'evaJuation auamentkmne. Voir tos cateute cKdaasous.

'Vatour Evaluation lolato demendMx 0^0 -

•rtmcatJoo Verifying Statement of Coats)

hereby certify: fVfer C ,tat tha amounts shown ara as accurate as pare incurred whjta conducting assessment work on tha lands shownn tha accompanying Report of Work form.

ible and these coats

i4 f(Rwxntod HoUw. Agtm.

make thte certification

-^ftnt^POMM inin Company)

Attestation do l'4tat dos coots

J'attaata par la proaonto:qua las montants kxSquas sont la plus axact possible at qua cas dapansas ont M angagaaa pour affactuar las travaux d'evakiaoon aur tos terrains Indkmas dans la formula da rapport da traval cHoint.

l am authorized EI qu'a tttre dapoeto occup4 dm

to suis autorise

A eWta^ n naa a -H-Sa-H-M i M. taWaa.a laire cane attestanon.

fomwto. toTMiu'l dWgne OM peiaonnM. to maacusn eat uttM au MM iwutie.

OntarioMinistry ofNorthern Developmentand Mines

Ministere du Devetoppement du Nord et des Mines

February 28, 1995

Mining RecorderMinistry of Northern Developmentand Mines4 Government Road EastKirkland Lake, OntarioP2M 1A2

Dear Mr. Spooner:

RE: APPROVAL OF ASSESSMENT WORK OH

Geoscience Approvals Office 933 Ramsey Lake Road 6th Floor Sudbury, Ontario P3E 6B5

Telephone: (705) 670-5853 Fax: (705) 670-5863

Our File: 2.15800 Transaction fW9580.00016

CLAIMS 1200397 ET AL IB

The assessment credits for Geophysics (MAG, VLF, EM), subsection 14, of the Mining Act Regulations, as listed on the original Report of Work, have been approved as of February 24 1995.

Please indicate this approval on the claim record sheets.

If you have any questions concerning this correspondence please contact Bruce Gates at (705) 670-5856.

ORIGINAL SIGNED BY:

Ron C. GashinskiSenior Manager, Mining Lands Section Mining and Land Management Branch Mines and Minerals Division

BIG/jl Enclosures:

cc: ^Assessment Files Office Sudbury, Ontario

Resident Geologist Kirkland Lake, Ontario

NO l"}-. S

•''"" surface rights reservation along the shores ' ell lakes and rr,e ri

41' AND TRAVEL,

i i- ' NO 1230

165 APPLICATION UNDER PUBl K ANUS AC I

FROM STAK

Surface and Mining rtiqhts vVi'hdr

Staking, section 36/80 order No. *-

r .urface and Mining Rights Witndrawn from

Staking, section 36/80 order Ne * *

Surface and Mining Rights Withdrawn from

Staking, section 36/80 order No. j*-^-PART OF R3 REOPENED BY ORDER 0-19/81 """' 10/88 JART ft* REOPENED BY ORDER NC O-LIO/89 NK

PAR 1 OF f,-| RLGPtNED BY jKDt* v- " 3C'TR A

Surface and Mining Rights Withdrawn from

Staking, section 36/80 order No. *-8-aePART OF R4 REOPENED BY ORDER 0-1* /ML NOV 30 /8Q "ART OF QREOPENED BY ORDER 0-eO/HSL NOV 30/88

Surface and Mining Rights Withdrawn from

Staking, section 36/80 order No ^*Port of R5 r.-op.n.d 034/flG, 033/86, V IZ i d ?PART OF RB REOPENED BY O 27 88 NR MAR 30.1988,

f

Surface or 1 Mirunq Rights .'Withdrawn frorn

Staking, sett 1 n '- Vj order No. * '?PAR l OF R6 REOPtNFI M- ^ Ut' * ' HM

THF INFORMATION fHAI APPEALS ON THIS MAP HAS BEEN COMPILfl FROM VARIOUS SOUROI S AND ACCURACY IS NOT GUARANTEED THOSE WISHING TO STAKL MIN ING CLAIMS SHOULD CON SULT WITH THE MINING RECORDER MINISTRY OF NORTHERN DEVELOP MENT AND MINES, FOR AU DITIONAL INFORMATION ON THE STATUS OF THE LANDS SHOWN HEREON

LEGEND

HEARST

TOWNSHPS BASF L'NLS ETCLC ~, K'lNING CLAIM? PARCEI S, ETC

L'N .^VEYtn IMt

BOUNDARYK' ' "J j Ct

RAILWAY AND RIGHT OF. WAY

LI'.ES

NON DERE'. v.AL STREAM

l OODING ' " FI DOPING r

SU r DIVISION

ORICH.AL SHOnEL.NE

MARSH PR MUSKEG

L ft L KT078* l II10738

1200462DISPOSITION OF

TYt E Of DOC jf.'L".T

r-ATENT SURFAGi i MiNi , ^ f 'lfhTSl 'UU/QO l -JJ07O4 l 4OO705

r? S , c l ,'.iN(j i GHTS ONLY

! S '"INtNir, RIGKTS

JGHTS NLY

NG RlGHIS

OWL K

'. 'LE

v _ i' ' "~

"^"-"•^"XT: *f lOf l

x* *. ^.——— . vtf l1203253

t i" ̂ - ̂ . '

lj OA

T1200398

-- * JT7 //'' -ne^ in* '^ jf 7 *

2 .H! 5 8 O ORECEIVED

4

JAN l 8 1995

MINING LANDS BRA^

110,'rtaHa

I20047&

riMISKAMINv"MINING 3 l V l S'l O N

.ARDTH AKEM o n 1J (, "t ]

of Natural | Reso'.'rces

Br^ o ^ J

DATE OF ISSUE

BAYLY..ftl,k LARDER LAKE MlNltoG RECORDER'S OFFICF v.nilnoy Riock

O t n "; Pa r k Trr jniAKCHIVI i 1 AUGUM ^9. 1994

31M13NE0006 2 15800 SKEAD 200

/\

INTERPRETATION-

MAGNETIC SOURCES

li^y High susceptibility

Medium susceptibility

Low susceptibility

HL F ̂ CONDUCTORS

Definite bedrock

Probable bedrock

Possible bedrock

Probable overburden

Residual terrain effectDeclination: 14' W.

Detmite

Probable

Possible

ZONES A etc

FAULTS, (from Macjnotics) 'X, 'V

LEGEND

L 1000 NL 1000 Scale: 1:5000

Profile Scale: 100 nT/cm.

Profile Base Level: 57,800 nT

57881 9 57881 9 578820 57882 O 57881 6 57881 O 578800 57877 6 57874 6 57871 5 57869 3 57865 1 57858 5 57851 6 57847 9 57849 B 57855 5 57859 6 578645 57868 1 57862 4 57856 l 57851 2 57849 9

— L 900 N

L 800 N

SURVEY SPECIFICATIONS—L 700 Nf 4- 57848 5 57851 1 5785657862 257863 478618

4St An/hony Lake

Instruments' EOA Omni Hue base Magnetometer EDA Omni Plus Field Magnetometer

Base Station Location: 1125m W, 20m N

Base Station Value: 57,800 nT.

Base Station Sample Interval: 15 sec.

57901 7 l 57903 6

57905 8 57909 O 57912 57915

57873 6 57878 9 57886 4 57891 4 57904 7 579107 57916 57922 l 57929 4 57942 4 57a16 5797

17898 8 f 17896 6

17893 4 17890 8 57890 1 17889 9 1788

l 17879 1 r 17874 6

17880 6 17895 1791 579348 579/60 5M876

242 58059 6

3

17861 4 5^8636 5786U t'854 1 5 "851 f) l^852 8 57P5 57S6/ 5787 57 57O/ K

9204 •J31 l

B

17889* 17891 f 1789* 17896* 17892

1/889 t 1789/0 JAN l 81995

L 400 NL 400 N 57859 :5^852 457849 457869 i57905 B579216579128

f 57889 Q4- 57898 7i 578917j 57870 8* 578514i- 57839 2

57803 :* 57838 O t 57874 1 4-57892 2* 580616

2337

2.158005^874 57874 9 5^874 3 57872 8 5^865 4 5^897 ' 5^945 ? 5^959 7

L 300 NL 300 N 17868 ', i7872 9rase e57874 7 57S17.

85

57857875787

.5786i5786i 578655788

181098 18009 6

9189 t 1TO46 9

683 0428 183

79J807428

I5793 7 '57928 4 579J* 4 579JI 1 5793 6 57921) f, 57930 1 57929 4 5792J B

7919 4 59

579791

.— L 200 N Scale 1:5000O 100 200

L 200 N

f 18204* 581821

581190•r 181412

t 18141 7 t 581494

58l"fcT 5814' ' 58T7- 58134 B 581E64

209 7

58079 l 18064 6 18060 C 18060 ' 58025 8

;7S9.7999 K) .7999 5C .7972 '

-••9622 79^23

— L 100 NL 100 N

_ BASELINEBASELINE

SUDBURY CONTACT MINES LTD.Blake River 4 Wendigo Lake Projects

St. Anthony Lake GridGROUND MAGNETOMETER SURVEYTotal Field Postings Jc Profiles

Skead TownshipLarder Lake Mining Division

Ontario

T ANTHONY GHID LOCATION

l — - _ _mAHoTjr

SI Anthony Grid\~

NTS: 31M/13 pr0iec t NO 205Survey ancL Presentation

TechTerrex Inc., February, 1994.

STRATAGEX Ltd., April, 1994

STA- 1

i 1 000 N

l 900 N

i 800 N

L 700 N —

L 600 N

l 500 N —

L 400 N —

L 300 N —

L 200 N

L 100 N

BASELINE —

220

O O LO

o oCNI

o o o o o o oCD

o o co

o o o oCO

o oLO

CDo o oro

o oCNI

CDo o o oCD CNI

CD CD

CD O

CD CD LO

INTERPRETATION:

MAGNETIC SOURCES

High susceptibility——-,-^Vj——"————

x ^L^^/y Medium susceptibility

Low susceptibility

VLF CONDUCTORS

approx width _ _Strong, definite

Medium, probable

Weak, possible

6 O

CONTINUITY

Definite

Probable

Posbible

ZQNT-S. A etc

f AULJ S^ (from Magnetics)

L 1000 N

—L 900 N

L 800 N

L 700 N

L 500 N

St Anthony Lake

—L 400 N

—L 300 N

— L 200 N

..L 100 N

BASELINE

o oLO

CD OCNI

O O Oo o o^ O CD

CD O CO

CD O

CDCD CD

CD CD LO

O CD

O CD

CD CD CNI

CD CD

CD CD

CD CDCN|

CD CD r-O

CD CD

O CD LO

ST ANTHONY GRID LOCATION —T——————————————————

HlA(iriT TWP

St Anthony Grid

I7O059B 12O0597

4

N

lDeclination: 14* W.

LEGEND

Scale: 1:5000

Contour Interval: 5 nT.20 nT.

100 nT.

566L8

WEY SPECIFICATIONS

Instruments EDA Omni Plus base Magnetometer EDA Omni Plus Field Magnetometer

Base Station Location: 1125m W, 20m N

Base Station Value: 57,800 nT.

Base Station Sample Interval: 15 sec.

100Scale 1:5000

O 100 200 300

(meters)

SUDBURY CONTACT MINES LTD.Blake River fe Wendigo Lake Projects

St. Anthony Lake GridGROUND MAGNETOMETER SURVEY

Total Field ContoursSkead Township

Larder Lake Mining DivisionOntario

NTS: 31M/13 Project No 205Survey jnd^PLesentation,

TechTerrex Inc., February, 1994.

STRATAGEX Ltd., April, 1994

STA-2

oCD

CD CD Csl

O CD CD

CD CD

CD O CD

CD CD CO

CD CDr-

CD CD CO

CD CD LO

CD CD

O O

CD CDCM

CD O

CD O

CD CDCN

CD CD ro

CD CD

0 CD LO

L 1000 N

L 900 N

L 800 N

L 700 N —

L 600 N

L 500 N

L 400 N

L 300 N

L 200 N

L 100 N

BASELINE

INTERPRETATION:

VLF CONDUCTORS

approx width

QO

CONTINUITY

Strong definite

Medium probable

Weak, possible

Definite

Probable

Possible

ZONES A etc

FAULTS (from Magnetics)

NAA

NSS

Declination: H* W.

—— L 1000

L 900 N

— L 800 N

L 700 N

N

—L 500 N

SI Anthony Lake

LEGEND

Scale: 1:5000

Profile Scale: 1 cm. :* 10 X

In-Phase Profile: ———

Quadrature Profile:

— L 400 N

^ L 300 N

— L 200 N

L 100 N

BASELINE

ANTHONY Gh'ID LOCATION

CD CD LO

CD CD CNI

CD CD

CD CD CD

CD O CD

CD CD CO

O CD

CDCD CD

CD CD LO

CD CD

O CD

CD OCN

CD O

CD O

O CD CN

O CD

CD CD

O OLO

nrAmi Twr

SI Anthony G rid

"BAYLY TWP

. SURVEY SPECIFICATIONS

Instrument: ^tintrex EDA Omni Plui Receiver

Transmitter Station: Cutler, Maine (NAA)

Frequency: 24.0kHz. RECEIVED

Initialization Direction: Facing Nor i ..^ - -

NOTE: E-W Lines surveyed using

Frequency: 21.4 kHz.

Initialization Direction: Facing East **2-1580

100Scale 1:5000

O 100 200 300(meters)

SUDBURY CONTACT MINES LTD.Blake River 4 Wendigo Lake Projects

St. Anthony Lake GridVLF-EM SURVEY

Postings ft Profiles of NAASkead Township

Larder Lake Mining DivisionOntario

NTS: 31 y/l 3 Project No 20*

Survey and Presentation

TechTcrrex Inc., February, 1994.

S upe rv i sion andjntej prctation

STRATAGEX Ltd., April,

31M13NE0006 2 16800 SKEAD 230 STA- 3

r.OoLO

oCDCNl

oO O

CD O

CD O CD

CD O OD

CD CD

CD CD CO

CD O LO

CD CD

O O

CD CDCM

CD O "— CD

CD CD

CD CDCNl

CD CDro

CD CD

O CD LO

INTERPRETATION:

VLF CONDUCTORS

approx width

Q O

CONTINUITY

Strong definite

Medium, probable

Weak, possible

Definite

Probable

Possible

ZONES, A, etc

FAULTS, (from Magnetics)

L 1000 N

L 900 N

L 800 N

L 700 N

L 1000 N

L 900 N

L 800 N

L 700 N

L 600 N —

L 500 N

L 400 N —

L 300 N

L 200 N —

L 100 N

BASELINE —

St Anthony Lake

L 500 N

L 400 N

—L 300 N

L 200 N

L 100 N

— BASELINE

Oh;D LOCATION

O O LO

CD OCNl

Ooo oo oo en

o o oooCD

o oCO

o oLO

oCD

o oro

CDoCN

o oCDo o

CDCNl

CD O

CD CD

o oLO

i- ST TWP

—I-

1200391 I?0()59T

NAA

Declination: 14' W.

LEGEND

Scale : 5000

Contour Interval. rT. -

5 nT

20 nT

00881*3S66i8iNvrS*RVEY SPECIFICATIONS

Instrument Scmtrex EDA Omni Plus Receiver

Transmitter Station: Cutler, Maine (NAA)

Frequency: 24.0 kHz

Initialization Direction: Facing North

100cale 1:5000

100 200 300(meters)

SUDBURY CONTACT MINES LTD.Blake River ft Wendigo Lake Projects

St. Anthony Lake GridVLF-EM SURVEY

Fraser Filter Postings 4 Contours ofSkead Township

Larder Lake Mining DivisionOntario

NTS: 31H/13 Project No 205Sijrveyjind. Presentation,

TochTcrrex Inc., February, 1994.Supervision and InterQre.taJion

STRATAGEX Ltd., April, 1994

31M13NEOOOB 2 15800 SKEAD 240 STA-4A

L 1000 N

L 900 N

L 800 N

L 700 N —

L 600 N —

L 500 N

L 400 N

L 300 N

L 200 N

L 100 N —

BASELINE —

31M13NEOOOB 2 15800 SKEAD 250

CDoLO

o oCNJ

o o o oO

O Oen

CD CD CO

CD CD

CD CDco

CD CD LO

CD CD

O CD

CD CDCN

OO

CD

CD CD

CD CDCN

CD CD

O O

CD CD LO

INTERPRETATION-

VLF CONDUCTOR

approx widtfi

OoCONTINUITY

Strong, definite

Medium, probable

Weak, possible

Definite

Probable

Possible

ZONES A, etc

FAULTS (from Magnetics)

St Anthony Lake

— L 1000 N

L 900 N

L 800 N

L 700 N

•i-600

L 500 N

—L 400 N

L 300 N

L 200

L 100 N

BASEIM

oCD LO

O O Csl

O O

o o CD O CO

O CD

O CD CO

O CD LO

CD O

O O

O O CN

OoCD CD

O O csi

o orO

o o oCDLO

ST ANTHONY r.UID LOCATION-r—————————————-L ^ .— ^ HFAHST TWP

St Anthony Grid

\

I2OO59* I2UOJ9T

9 Lm

NSSDeclination: 14* W.

LEGEND

Scale. 1:5000

Contour Interval. 1 nT. ———-

5 nT.

20 nT.

SURVEY SPECIFICATIONS

Instrument Scmtrex EDA Omni Plus Receiver

Transmitter Station: Annapolis, Maryland (NSS)

Frequency: 21.4 kHz

Initialization Direction: Facing East

2.15800

100Scale 1:5000

0 100 200 300i^SH—————!

(meters)

SUDBURY CONTACT MINES LTD. Blake River ft Wendigo Lake Projects

St. Anthony Lake GridVLF-EM SURVEY

raser Filter Postings ft Contours ofSkead Township

Larder Lake Mining DivisionOntario

NSS

NTS: 31H/13 Project No 205

TechTerrox Inc., February, 1994.Supcrvisipji^ndJnl.QIpietation.

STRATAGEX Ltd., April, 1994

O CD LO

O CDCNI

O CD

O O O

O Oa*

CD CD CO

CD O

CDo co

CDoLO

CD CD

oCD ro

O CD CN

CD O

CD CD

CD CD CN

CD O rO

CD CD

O CDLO

INTERPRETATION:

HLEM CONDUCTORS

max width — -* -l*

iD xT

CONTINUITY

Definite bedrock

Probable bedrock

Possible bedrock

Probable overburden

Residual terrain effect

Definite

Probable

Possible

ZONES A etc

FAULTS (from Magnetics) *v "X'

L 1000 N

L 900 N

L 800 N

L 700 N

— L 1000 N

—L 900 N

— L 800 N

L 700 N

iii

to tn in to u)

l l l l l l l

L 300 N —

L 200 N —

L 100 N

BASELINE

L 300 N

— L 200 N

..L 100 N

BASELINE

ST ANTHONY GRID LOCATION

O CD LO

O O Csl

O O

CD CDCD OCD CD

O O CO

CD CD

O CD CO

CD O LO

O O

O CD

CD CD CNI

O CD

CD CD

O O04

CD CD

O O

O O LO

\N

Declinotion: H' W.

LEGEND

Scale: 1:5000

Profile Scale: 1 cm. = 10 X

In-Phase Profile:

Quadrature Profile:

S6618 l NVP

Q3AI303U

SURVEY SPECIFICATIONS

Instruments: Apex Parametrics MaxMin l EM System Apex Parametrics MMC Data Logger

Frequency: 440 Hz.

Coil Separation: 150 metres

100Scale 1:5000

O 100 200 300

(meters)

SUDBURY CONTACT MINES LTD.Blake River ft Wendigo Lake Projects

St. Anthony Lake GridHORIZONTAL LOOP EM SURVEY

Postings ft Profiles of 440 Hz.Skead Township

Larder Lake Mining DivisionOntario

NTS: 31H/13 Project No 205

Survey and Presentation TechTerrex Inc., February, 1994.

Supervision and Interpretation

STRATAGEX Ltd., April, 1994

STA-531M13NEOOOB 2 16800 SKEAD 260

O OCM

O O

Oo o o oCD

o oGO

O O

oCD CO

o oLO

o o o o roo oCM

O O

CD O

CD O CN

CD O ro

CD CD

O CD LO

INTERPRETATION:

max width-* -

n lnLJ

X

T

CONTINUITY

Definite bedrock

Probable bedrock

Possible bedrock

Probable overburden

Residua terrain effect

Definite

Probable

Possible

ZONES A etc

FAULTS (from Magnetics) 'W'

L 1000 N

L 900 N —

L 800 N

L 700 N

L 600 N

— L 1000 N

—L 900 N

L 800 N

—L 700 N

L 500 N

L 400 N

L 300 N

L 200 N

L 100 N

BASELINE

~~ R ~~IO~ -P-"* |O -.00. to.o * * n n TJ-

I———l———l———f -4--H———l

St Anthony Lake

L 500 N

— L 400 N

L 300 N

— L 200 N

^ 100 N

BASELINE

ST ANTHONY GRID LOCATION

Ooino oCM

O O

O CD O

O O

O Oco

CD CD

o o coo oLO

CD CD

oCDro

o oCM

Ooo o o o

CM

O CD ro

O O

oCD LO

l __ __ __ __HEARST

M

Declination: 14* W.

LEGEND

Scale: 1:5000

Profile Scale: 1 cm. = 10

In-Phase Profile:

Quadrature Profile:

SURVEY SPECIFICATIONS

Instruments: Apex Parametrics MaxMin l EM System Apex Parametrics MMC Data Logger

2.15800Frequency: 1760 Hz.

Coil Separation: 150 metres RECEIVED

JAN l 81995

MINING LANDS BRANCH

100Scale 1:5000

O 100 200 300(meters)

SUDBURY CONTACT MINES LTD.Blake River A Wendigo Lake Projects

St. Anthony Lake GridHORIZONTAL LOOP EM SURVEY

Postings ft Profiles of 1760 Hz.Skead Township

Larder Lake Mining DivisionOntario

NTS: 31M/13 Project No 205

Survey and Presentation TechTerrcx Inc., February, 1994.

Supervision and Interpretation

STRATAGEX Ltd., April, 1994

270STA-6

oCD LO

O CDCM

O CD

CD CD O

CD CD

CD O CO

CD O

CD CD CO

CD CD LO

CD CD

oCD rO

CD CD CM

O CD

CD CD

CD CD CM

CD CD ro

CD CD

O CD LO

INTERPRETATION:

ML L Mj^QNpuciQHSmax width

l

i

D xT

CONTINUITY

Definite bedrock

Probable bedrock

Possible bedrock

r Probable overburden

Residual terrain effect

Definite

Probable

Possible

ZONES A etc

PAUL TS (from Magnetics)

L 1000 N —

L 900 N

L 800 N

L 700 N —

L 600 N_

L 1000 N

L 900 N

L 800 N

—L 700 H

L 500 N

L 400 N

L 300 N —

L 200

L 100 N —

BASELINE —

Sf A nthony Lake

L 500 N

—L 400 N

—L 300 N

—L 200 N

L 100

— BASELINE

ST ANTHONY GIVID LOCATION

OoLO

CD O CNJ

O O

O OO CDo en

o oOD

o oCD CD CO

CD CD ID

CD O

O CD

O O CM

OoCD O

OoCM

CD Oro

CD O

o oLO

l __ __ __ __HfAHST l

lN

Declination: 14' W.

LEGEND

Scale: 1:5000

Profile Scale: } cm. = ]Q 7,

In-Phase Profile: ————

Quadrature Profile: - - -

56618 I NtfP

Q3AI3Q3H

SURVEY SPECIFICATIONS

Instruments: Apex Parametrics MaxMin l EM System Apex Parametrics MMC Data Logger

Frequency: 7040 Hz.

Coil Separation: 150 metres

100Scale 1:5000

O 100 200 300

(meters)

SUDBURY CONTACT MINES LTD.Blake River ft Wendigo Lake Projects

St. Anthony Lake GridHORIZONTAL LOOP EM SURVEY

Postings ft Profiles of 7040 Hz,Skead Township

Larder Lake Mining DivisionOntario

NTS: 31M/13 Project No 206Survey and Presentation

TechTerrex Inc., February, 1994.

STRATACEX Ltd., April. 1994

31M13NEOOOB 2 16800 SKEAD 280

L 200 N

L 100 N

L 100 S

L 200 S

31M13NE0006 2 15800 SKEAD 290

DO

CD CD

CD CDCNI

CD CD

CD CD

CD CDm

INTERPRETATION:

MAGNETIC SOURCES

VLF CONDUCTORS

dO

CONTINUITY

High susceptibility

Medium susceptibility

Low susceptibility

Strong, definite

Medium, probable

Weak, possible

Definite

Probable

Possible

ZONES A, etc

FAULTS, (from Magnetics)

400m to Na1 Past

1200m to No 2 Port

CD CD

CD CDCM

CD CD ro

CD CD

O CD LO

OD

L 200 N

L 100 N

L 100 S

L 200 S

FLANAGAN CREEK GRID LOCATION 1

— _..__ _.__HEAgST TWE_

iM

Declination: 14' W.

LEGEND

Scale: 1:2500

Profile Scale: 150 nT/cm.

Profile Base Level: 58,000 nT

SURVEY SPECIFICATIONS

EDA Omni Plus Field Magnetometer

Base Station Location: 5m E, 20m N

Base Station Value: 58,150 nT.

Base Station Sample Interval: 15 sec.

2.15800

50Scale 1:2500

O 50 100 150

(meters)

SUDBURY CONTACT MINES LTD.Blake River A Wendigo Lake Projects

Flanagan Creek GridGROUND MAGNETOMETER SURVEYTotal Field Postings ft Profiles

Skead TownshipLarder Lake Mining Division

OntarioNTS: 3111/13 Project No 205

Survey and Presentation: TechTerrex Inc., February, 1994.

Supervision and Interpretation: STRATAGEX Ltd., April, 1994.

FLA-1mr

UJ

m

CD O

CD CD CNI

CD CD fO

CD O

CD CD LO

L 200 N\

l 1 00 N

L 100 S

L 200 S

1200 m to No. 2 Po*t

CD CD

CD CD CNI

O O

Oo CD CDLO

CD

INTERPRETATION;

MAGNETIC SOURCES

VLF CONDUCTORS

approx.wkflh

Q O

CONTINUITY

High susceptibility

Medium susceptibility

Low susceptibility

Strong, definite

Medium, probable

Weak, possible

DefiniteProbablePossible

ZONES: A, etc.

FAULTS: (from Magnetics)

L 200 N

L 100 N

L 100 S

L 200 S

FLANAGAN CREEK GRID LOCATION'l l HCMST TV ———L. ——..——— —— ——————— ———

31M13NE0006 2 1B800 SKEAD 300

iN

Declination: H* W.

LEGEND

Scale: 1:2500

Contour Interval: 10 nT.50 nl

250 nT.

SPECIFICATIONS

EDA Omni Plus Field Magnetometer

Base Station Location: 5m E, 20m N

Base Station Value: 58,150 nT.

Base Station Sample Interval: 15 sec.

50Scale 1:2500

O 50 100 150

(meters)

SUDBURY CONTACT MINES LTD.Blake River ft Wendigo Lake Projects

Flanagan Creek GridGROUND MAGNETOMETER SURVEY

Total Field ContoursSkead Township

Larder Lake Mining DivisionOntario

NTS: 31H/13Sjurvev and Presentation

TtchTerrex Inc., February, 1994.9

Suoarvision and Interpretation.

FLA-2

LU

3CD

L 200 N

L 100 N

L 100 S

L 200 S

oCD

O O CN

O O ro

O O

O Oin

55GO

INTERPRETATION:

VLF CONDUCTORS

Strong, definite

Medium, probable

Weak, possible

—————— Definite—————— Probable

— — —— — Possible

ZONES: A. etc

FAULTS: (from Magnetics)

DU WKJV1 ^k

^Ef^

dO

CONTINUITY

L 200 N

L 100 N

3 3 3/^3 ^J-W r\x l. '

L 100 S

L 200 S

FLANAGAN CREEK GRID LOCATION-

t!.

— ^.. __ HCARtT T

NSS

Declination: 14' W.

LEGEND

Scale: 1:2500

file.Scalei 1 cm. = 10 X

In-PhoM Profile: ———

Quadrature Profile: - - -

SURVEY SPECinCATIONS

Transmitter Station: Annapolis, Maryland (NSS)

Frequency: 21.4 kHz.

Initialization Direction: Facing East

2.15800RECEIVED"JAN l 81995

MINING LANDS BRAUT^

50Scale 1:2500

O 50 100 150

(meters)

SUDBURY CONTACT MINES LTD.Blake River to Wendigo Lake Projects

Flanagan Creek GridVLF-EM SURVEY

NSS Postings ft ProfilesSkead Township

Larder Lake Mining DivisionOntario

NTS: mitt Project No 205

31M13NE0006 2 16800 SKEAD 310

Quryey an0 Presentation: TtchTerrex Inc., February, 1994.

•TftATAQCX Ltd.. April. 1994. J

FLA-3

RPRETATION;

Strong, definite

Medium, probable

Weak, possible

DefiniteProbablePossiW*

ZONES. A. etc

FAULTS, (from Magnetics)

LEGENDL 200 NL 200 N

L 100 NL 100 N a 33 2 B 3 3 aa ai i i i i i i i i i? 9 3 l i S S S7 7 7 i 7 T T

r SPECIFICATIONS

Transmitter Station: Annapolis, Maryland (NSS)

Frequency: 21.4 kHz.

Initialization Direction: Facing EastL 100 SL 100 S

L 200 SScale 1:2500

O 50 100

(meters)

L 200 S

SUDBURY CONTACT MINES LTD. Blake River ft Wendigo Lake Projects

Flanagan Creek GridVlf-BI SURVEY

NSS Fraser Filter Postings ic ContoursSkead Township

Larder Lake Mining DivisionOntario

__ _ __HEAMT TWP_

NTS: 31U/13Survey and Presentation

TechTerrex Inc., February, 1994Supervision and Interpretation