TRENCHING PROGRAMME CLEAVER GROUP-1 PROJECT 705 · The claim group is located in Cleaver township...
Transcript of TRENCHING PROGRAMME CLEAVER GROUP-1 PROJECT 705 · The claim group is located in Cleaver township...
42A03NE1037 2.2586 CLEAVER 010
RECEIVED
J/-.N l 3 '.'^
PROJECTS UNIT
GEOLOGICAL REPORT
ON
TRENCHING PROGRAMME
CLEAVER GROUP-1
PROJECT 705
Cleaver Township, Larder Lake Mining Division
NTS: 42-A-3, 2
AMAX MINERALS EXPLORATION
Timmins, Ontario
Timmins, Ontario
January 1978R. J. Roussain
SUMMARY
On September 30, 1977, a programme of mechanized trenching was completed on the Amax 705-01 claim group in Cleaver township.
A previously defined conductor was relocated by Radem VLF traverses and exposed in three locations 400 feet apart.
Massive to heavily disseminated sulphide mineralization within siliceous tuffaceous sediments were exposed and mapped as the cause of the electromagnetic anomaly.
INTRODUCTION
The claim group was acquired on April 7, 1975 and has since
been covered with a magnetometer, vertical loop and horizontal loop electromagnetic surveys.
This report describes the procedure and results of mapping rocks exposed by a mechanized trenching programme completed in September 1977, on the below listed mining claims.
L-429441 L-429442
LOCATION AND ACCESS
The claim group is located in Cleaver township approximately 25 miles south east of Timmins. Access to the claim group is much improved since 1975.
Logging operations extending south through Fallon township provide an excellent winter road to Little Nighthawk Lake located north of the claim group. The roads are built and maintained by G. K. Stringer (Logging Contractor) of South Porcupine.
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- 2 -
TOPOGRAPHY AND RESOURCES
Local relief is rugged and relatively well drained with an abundance of outcrop.
The eastern claim is covered by a narrow marshy lake which
drains north into a larger unnamed lake lying south of the claim group.
The water covered claim dictates that geophysical surveys be carried out during the winter months.
Vegetation consists of poplar and birch on the high ground with thick alder and cedar near the lake edges.
PREVIOUS WORK
There have been many previous land holders in the area as
made evident by the large number of old claim posts. The most recent land holder, prior to Amax Exploration, was Noranda. That Company held a large group of claims in the early 1970's.
The present Amax claims would be in the central part of the former Noranda holdings.
Noranda carried out magnetometer and vertical loop electro magnetic surveys over the complete property.
There is no record or evidence of any previous diamond dril ling on the Amax claims.
PRESENT SURVEY
The trenching programme was completed by contractor A. Bou-
dreau of Timmins on September 30, 1977.
Before starting the trenching operations the conductor was
relocated with the use of a Radem traverse so as to locate the trench
in the most favourable location.
- 3 -
A Model-S Bombardier equipped with a hydraulic back-hoe was used to dig down through the overburden cover and construct a trench 3 to 4 feet wide at right angles to the conductor axis. After expos ing the bedrock surface, the bucket teeth are used to fracture and pry out samples of the bedrock. Samples are then taken of the con ductive material after checking with an ohmmeter. A map of the trench at a scale of l inch equals 10 feet is then prepared.
SURVEY RESULTS
Locations of each of the three trenches completed are illus trated on the accompanying property maps.
In addition, detailed sketches of the three trenches are attached.
Trench 705-01-1
Claim L-429441
Location L4N; 16+OOW
Target - Coincident magnetic, V.E.M., H.E.M. and Radem conductor
A sulphide rich horizon within tuffaceous sediments
was exposed over a width of 10 feet. Sulphides consist of > 2 Q7o combined Po and Py as bands and stringers. The zone strikes at Az 1450 and dips at -800 north.
Trench 705-01-2
Claim L-429441
Location LO; 15+10W
Target - Coincident magnetic, V.E.M., H.E.M. and Radem conductor
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A 15 foot wide zone of Po, Py stringers in an altered felsic volcanic was exposed, flanked by siliceous tuffaceous sediments on the foot and hanging walls. A lattice work of narrow sulphide stringers accompanied by abundant quartz and car bonate mineralization constitutes the conductive unit.A strong fault-shear zone cuts through the sulphide zone at Az 1760 . The sulphide unit strikes at Az 1330 and dips -750 north.
Trench 705-01-3
Claim L-429441
Location L8N; 17+OOW
Target - Coincident magnetic and radem feature with weak V.E.M. and H.E.M. responses
The bedrock was difficult to reach and was found at the extreme range of the backhoe at 9 to 10 feet.
A 2 foot wide gossan in a sheared basic tuff was exposed on the bedrock surface as soft red mud within vertical broken plates of the tuff. The gossan was tested with an ohmmeter and was proven conductive. The zone was making abundant water and was quickly flooded, and the walls began to cave. Strike of the conductor was Az 1550 and dip -700 south.A small fault zone striking Az 880 has caused shear ing with the rocks exposed.
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CONCLUSIONS
The trenching programme was successful in that the conductor\
was exposed and the nature of the ^ausitive) unit identified and sampled.
Assay results reveal that the sulphides sampled in Trench
705-01-02 carry anomalous copper and zinc values, copper up to 240 ppm
and zinc up to 1350 ppm.
Due to the difficulty of obtaining a sample on the bare bed
rock surface without blasting and coupled with the anomalous metal
content of the sulphides, diamond drilling or additional trenching with
balsting may be warranted as a means of obtaining the best possible
sample of the sulphides beneath the zone of surface oxidation.
R. J. Roussain
I, Randall J. Roussain, residing at 1221 Government Road, South Porcupine, Ontario, employed as a Geological Technician by Amax Minerals Exploration, do hereby certify that:
I have completed a two year course at Cambrian College in Sault Ste. Marie, Ontario, as a geology technician and have been employed in all phases of mining exploration for ten years.
I was personally present when the surveys were completed.
Randall J. Roussain
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4373 102 290 .03 .084374 187 397 *:.02 1.1 4375 163 323 ^02 1.2 4382 136 355 ^02 .9 4383 200 390 ^02 .9 4384 212 298 -:.02 1.1
705-01-1
Trench completed on Sept. 30, by A. Boudreau using a backhoe a muskeg. ^ . A Overburden sandy clay , Trench is 5-6' deep with water flooding lower end..
Sandy clay 5' deep
Siliceous tuffaceous gray sediments fine grained, banded, with distinct bedding, generally hard
contact
Sulphides aopear as thin bands and stringers of tuff laminae Vg-V in width, 205^ Py, Po, tuff laminae appear as alternate light and dark bands, graphite appears as thin discon tinuous lenses up to k " l ong.
Bedrock surface is rusted and broken as plates along bedding planes.
Assay sample #B-4373, 4374, 4375, 4382, 4383, 4384
Clay
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705-01-2
Trench completed Sept. 30, 1977 by A. Boudreau using a backhoe on a muskegOverburden 3'-7' fine sand loam (dry land) Bedrock surface is smooth, hard and strongly rusted where exposed
Siliceous tuffaceous sediments 2-5 ct, P o as blebs and hairline veins
Sulphide zone is strongly sheared and is infused with gray-white milky quartz with sugar grain texture containing Py specks. Sulphides are conductive through rock with probes on separate sulphide patches.
15-201 sulphides
Assay samples: B-4376, 4377, 43784385, 4386, 4387
Siliceous tuffaceous sediment carrying up to 15-205:' sulphides as streaks are along tuff laminae and have been remobilized into a lattice work by shearing.
Alteration minerals: sericite, muscovite, chlorite fusite common
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705-01-1 Siliceous tuffaceous sediments, sulphides on tuff laminae.
705-01-2 Siliceous tuffaceous sediments, strongly sheared infused with quartz containing specks of Py.
705-01-3 Basic tuff laminae separated by shearing into plates. 2 ' w ide" gossan with specks of Py.
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LOCATIOIJ HAP
I1ATACHEUAN CLAIMS
PROJECT 705-01
Location of trenches
Scale: l" - 400'
12A03NE1037 2.2586 CLEVER
REPORT ON
HORIZONTAL LOOP ELECTROMAGNETIC SURVEY
CLEAVER GROUP-1
PROJECT 705
Cleaver Township, Larder Lake Mining Division
NTS: 42-A-3, 2
AMAX MINERALS EXPLORATION
Timmins, Ontario
Timmins, Ontario
December 20, 1977
R. J. Roussain
SUMMARY
A horizontal loop electromagnetic survey was carried out over two claims located in Cleaver township. The claims are held by Amax Exploration Inc., and were acquired following release of an Input A.E.M. survey by the Ontario Government on April 7, 1975.
INTRODUCTION
The claim group was acquired on April 7, 1975 and has since been covered with a magnetometer and vertical loop electromagnetic survey. This report describes the procedure and results of a horizon tal loop electromagnetic survey completed in April 1977 over the below listed mining claims.
L-429441 L-429442
LOCATION AND ACCESS
The claim group is located in Cleaver township approximately 25 miles south east of Timmins. Access to the claim group is much improved since 1975.
Logging operations extending south through Fallon township provide an excellent winter road to Little Nighthawk Lake located north of the claim group. The roads are built and maintained by G. K. Stringer (Logging Contractor) of South Porcupine.
TOPOGRAPHY AND RESOURCES
Local relief is rugged and relatively well drained with an
abundance of outcrop.The eastern claim is covered by a narrow marshy lake which
drains north into a larger unnamed lake lying south of the claim group,The water covered claim dictates that geophysical surveys be
carried out during the winter months.
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LOCATION MAP
CLEAVER- l
Property Location Electromagnetic Survey
Scale: l" ^ 4 miles ....J^S SU.isl.f-m
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Vegetation consists of poplar and birch on the high ground
with thick alder and cedar near the lake edges.
PRE:vious WORK
There have been many previous land holders in the area as
made evident by the large number of old claim posts. The most recent
land holder, prior to Amax Exploration, was Noranda. That Company
held a large group of claims in the early 1970's.
The present Amax claims would be in the central part of the
former Noranda holdings.
Noranda carried out magnetometer and vertical loop electro
magnetic surveys over the complete property.
There is no record or evidence of any previous diamond dril
ling on the Amax claims.
PRESENT SURVEY
The horizontal loop electromagnetic survey was completed by
Amax Exploration in April 1977.
An Apex Max-Min horizontal loop unit was used to complete
the survey at frequencies of 888 and 1777 cps., with a cable length
of 300 feet. A total of approximately 85 readings at two frequencies
were taken at 100 feet and 50 feet stations whenever anomalous readings
were encountered.
SURVEY RESULTS
The field data is presented in profile form with the recorded
values plotted along the line.Results of the electromagnetic survey indicates a conductor
denoted as Zone "A" extending from L4N; 6+OOE to L4S; 4+OOE with by far
the most conductive intercept being at LO; 3+OOE.
- 3 -
A one line weaker feature was also detected on L8N; 1+50E
and is referred to as Zone "B".
Using the information provided by the survey and more par
ticularly of that on LO; 3+OOE, the following parameters were deter
mined concerning Zone "A".
Strike: N-W
Length: -1200'
Width: 50'
Depth:
Dip: Near vertical, slight to south?
mhos ^ 20
Zone "B" is on strike with Zone "A" and may represent the
weaker terminus of "A". This zone is too weak to be able to measure
or establish any of the characteristics making up its composition.
CONCLUSIONS AND RECOMMENDATIONS
Using the magnetic and vertical loop electromagnetic data
provided by prior surveys, it is seen that the horizontal loop electro
magnetic survey has confirmed and delimited the previously detected
V.E.M. conductor.Coincident to both Zones "A" and "B" is a magnetic feature
that is restricted to the conductor with magnetic and conductive in
tensity strongest at LO; 3+OOE.
It is concluded that the conductors detected as a result of
this survey are due to a bedrock source comprised of sulphide mineral
ization.Zone "A" should be tested by diamond drilling or trenching at
LO; 3+OOE to determine the cause and nature of the suspected sulphide
mineralization.
R. J. Roussain
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GEOPHYSICAL TECHNICAL DATA
Number of Stations^ _ . ^ _ . . ^..... _______ .. ___________ Number of Readings.Stationinterval^ — . .... .^ ... — . —— . —————————————————————————Line spacing^ ....... .. ^ ........ — —— ..^ — —————————————————————————Profile scale or Contour intervals ____________________________________
(ipccify for each type of mrvcy)
Instrument __ . .. .....__. .^..
Accuracy - Scale constant ———— Diurnal correction method__..^.
])ase station location_ _ ....^..^..
Instrument
Coil configuration_ __.——.. CQ-J
Coil separation.—.... ...,. .......... 300'.——-—--
Accuracy_ ....... ..... ISLper—Scale.Method: [1] Fixed transmitter C] Shoot back 5] Inline C] Parallel line Frequency__ ...—....-.-. 888 and ..l 7 77 cps,____
(ipccify V.I..I. s
Parameters mcHNurcd —— ..—.. — In^phase — x — Out-.i)f-phase
Instrument^. ,... ,. _ ......
Scale constant ___ ..^... .. .Corrections made... _ .. __
Base station value and location.
Elevation accuracy____...........
Instrument_.
'j'imc domain^.__ _ ..____.._______. ______ Frequency domain. Frequency_____. ... ._ .....^-____....______Range________ Power.___...——.._ ..__....—___...———.—_____———————————Electrode array^. ̂ ....
Electrode spacing——
]'ypc of electrode __
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500566 l 5 0056 ^L5005MJ 500550 j 493 162 j 49318(5 j 499391 5C0445
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42AIB3NE1C37 2.25B6 CLEAVER 200
NOTES
400' surface rights reservation along the shores of a ll lakes and r ivers.
LEGEND
PATENTED LAND
PATENTED FOR SURFACE RIGHTS ONLY
LEASE
LICENSE OF OCCUPATION
CROWN LAND SALES
LOCATED LAND
CANCELLED
MINING RIGHTS ONLY
SURFACE RIGHTS ONLY
HIGHWAY A ROUTE NO.
ROADS
TRAILS
RAILWAYS
POWER LINES
MARSH OR MUSKEG
MINES ft
usejLoQJKwlth summer resort locations or when space is limited•usejLooJxwlth sun
TOWNSHIP OF
CLEAVERDISTRICT OF
TIMISKAMING
LARDER LAKEMINING DIVISION
SCALE : 1 INCH - 40 CHAINS (1/2 MILE)DR.
D.KAVANAGHDATE 29/1/71
PLAN NO. M269ONTARIO
MINISTRY OF NATURAL RESOURCESSURVEYS AND MAPPING BRANCH
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LEGEND
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TO ACCOMPANYBY ——————— DATE
42A03Nt1037 2.2586 CIEAVTR 21(3