BMR Record C.

1964/3

I • I

I •

GOPY FOR DlRECTO . ~ t9f/ c.: .c. '6...--. ·-o ~

COMMONWEALTH OF AUSTRAL£( .---?' _. ~· A V<-t€ /ey~ ~ ';'~I

~ YJ DEPARTMENT OF NATIONAL DEVELOPMENT.

BUREAU OF MINERAL RESOURCES GEOLOGY AND GEOPHYSICS.

RECORDS:

REPOJtT ON A Q.UARTERLY INSPECTION, ,OF THE

SOUTH ALLIGATOR URANIUM FIELD

FOR

C. E. JBIQlWU) .

The information contained in this report has been obtained by the Department of National Development, as part of the policy of the Common•wealth Government, to assist in the exploration and development of mineral resources. It may not be published in any form or used in a company prospectus without the permission in writing of the Director, Bureau of Mineral Resources, Geology and Geophysics.

i:

ntfiQllltW10N GUIER.AL & SBifW:llA wmvr

lAta 1 1'

740 Level 1 sao Le-rel 1 & .a 9&> LO'f&l i

CORmfA!ION HILL~ mAlt I ~~- PllOOFEUI. (ROmawLE LEASE} I SW.mtalts PROSPmtlf,. (RQSROL! LEAS!B) I ORE llllmtViS 2 & J. 01Ul RliSDWlW 4

ftate 1. LoeaU.ty •pc•

B M.P-'\ K€Govrol C .. ~Cljbtj l 3

2., 11 Sh~ WilSJil .A#oa,. P1• & lrojeoiti()n. l • m ~"hcana ' &st.

1l·a 1·4C> LO'nl. 4• il. Sh~ est.

L$11$1 tudinal Scotton Bo., 1w ·fontaot . , ,. Sl ShertW\\ West.,

L~twt.inal Sectt.on No. 2. C«>ntE~At•

' · D. D. R. lo. 1. Oownation lUll SQU\h Ia$\ S•ticm.

ining opcma.tions a't the SO\ltb Alligatc,; Uranlq Field •ere inspec'bed ft:om l'th to 11th Jllt.l.Tt 1964• thdtad tJ~wa J,.L. is the' onlr ot>mp~ ope•t~. '!'hie l!epm:t <»ov~ opt.U.~tions since the ~ou i~pHtion in. Mazoh, lJG4.. Ft~s qu&te& ~ u ~pl!Qd bf the corapanv tor op~tione up to 20th Junet 1964.

All m.blillS ~tng tke peft.od. wes at m She2l8ina West. trnde~ dev~opment and exploration bT lcmg hole bUlbs '08 alae ecmt1nl34 t<> El She~ West. On di ond drill hole vra.e ~completed at OoroBatiGn Hill South and some W#l66j01l cUlbi$ wu OM'ltiea. out at t,eeagu.e13 and Sterri t &l!tiUUJ, G the Rool<tbol Leases.,

lo. 1 . W'oet Jri.Ye was ad:vanoed 288 feet and the f&<ie i.e new a~ 182. . tl004 pitch'blend$ o»e WJJ.s p~een• .r-rca 2S5E to lS'E•

· tio. 2. Wetffi »~ve advanee.d 27 teet to lSSE anct was then ooaeoted. to .No. 1. West Drive.

Stop~ was QQlllpl ted "tw QU )60E .arul 600E above No. 1. E6.ot llrl~e, New stopet were· oommeneell abov · lth l t Weot Dri"' (2JlE t o UiSE) and »o. 2. Vleet D:cive (l47E to 2'46E) . lncl1Jldin« devele)pJ®nt o~e. slightly more than aooo tons of oJ:e oonWn:tng 35,000 lbs. ot oxide 'tJ$rG· Pl'o®cG& from tn lEWel ciu.r:tas tlt period•

, LQli4J hel.e drilling f:ztom the lfcb 2 .• East and We~rt Dr1vea indiea.tllld ccmsist.e.At miaer.aliza.t .ion ·and trequcm.• oocUJU:enee of pi tch• \l~a alfbJ}S the No. 1. crontae't between 400E aa4 600E,

Mining ot the ?:oos to '720E stope war~ ccmpletedf )00 tons ot ore eon.ta:1.r.t.i'DB 2000 lbth ot oltide was obtatn.a:. Some ~11 pota et ore vC!tllU\ia in si- 'but the poo~ pou.nd. makes their extraction uneconraio.

A :rioe at 5401 located a ~ado l~le drlll inters•ti·m which yielded a small totl'rlage of ore.

Loq hole dd.llin{J from :N1::>t 2. Eaat Drive located. small er»atie ore oe~enoea r~ ~ 3 Ui.ll/ton to 28 lbs/tcm on the

·2 -

Bo. 1. eOJilila.Gt lJ t~n 1050E and ll4()E. ~e dist:e1butien ie ta e~atie: to inelu.ete a t.ha zesew~ o.t 'P at •.

lUning from the &wE stope· \lelow the level prO'luoect 450 tons ot ort oont&tnillg 8600 lbs. of oside. No recoverable ore rematu •.

Seventeen lcmg holes totallirc 1200 tet;}t were dville4 from the level wt did Jl<lt indicate ea:e.

As wa«g• tbilli.na 'hat tailed "o prGV1.cl.e a mrplanati~a

for the self potential ~altes a.t Of.>~t·ifJn iU.ll s .outh ~Dat, a diamond drill W>le te p:rc:Nide in.ftJanation hom peata depth was planned. This \I7WiJ drilled to 490 f•et. and, ltkEJ the eavu.. i7&8'gQJJ.

drill~, was. tn IH>~tio ~olit thr~eut aAd failed ilo prori4e .an aplanation. fer tb anomaliet3 ~> Rn.4ioaot1vity wu low ~'JSl'le\at,.

Systemue ·~~ drill~ ne• IJ!~es $batt wae d~Gi to test ft# extensi.Ofls •t r&Uoae1d.:ri.ty h dceptb. whtob would. wut'Mt

.in-.esisi<&ti.cm.., fh · tGJrti¥ hOlee 4rllle4 taUct to 4isclose ll'adioaotivi '1:7 aten~ more than a lew feet beln the evtaoe. No tuX'tllel' te:st1118 18 ~ted.

He. 1 •. She.f't was slightla' •~• QUQcessM. Nll.ne,een hole:a Yeh drilled, ;of whioh two ittdi~ated 11\ roe/ton of 0ilt1de and oue Tit lbo/tcm ( •er S • 1~u). These indioatill»'lS were not suf:tioitmt 'to w~aat t:urihe~ wQI'k ..

On minecl f»Clli m. Sherena Vle.st du~ \htt pe»iod .._ ot h.i(tbeJt pa.de than abom 1n ore re.eewea du to the pre$enOe of mor• hi$'h w: pitchb.lentta tbtm expected.

-J -

DW~opment ~~ a.pl~tien below th 740 lm'Ql1nQ"~ ~- ·by 2Ei'o toms ot •r• cen\e.iniq 3J600 lb4h ot oxtttt dtU.'~ the pQ:ried.• fett~tbl; et etoQltpiled or• \'1111. followed b7 an a 3Witme'nt te the paae vihi® .tnc.~ei th oxide content b7 4000 lbs.

AltltGU$h e;944 tOllS o.t ·<>tm' qontunil\f &SaM lb•·• ot Oll::tt.le .. ~· ~ted d~lnf the ptm.ifJd, c . ewes ~ 1!$\u~ 1>1 onll 4170 tcms ooatai~ 2:.,.690 t'bth o£ oxlide Mil 1tani at; ll-850 tema of ore eoa~ns-9ih!e0 lb•• of oxide.

q 'f; Jl ere-

On ·OilipleU.on of the oo».'fmao• e.bQU." 60•000 ibo. ot oxtae will JtEW\!dn in unbroken Oil'$·•· lt openti.o;ns -~ the ~ ~io& p~ OJ!t of hiSher ~e tlw:t allowed £• in the o_.,e ealo\tlaitLou, and <l$Velopaant diaol.os . a44i tional on, (q · possil>l"* tn tMa pat of the mine), the residual f'~ will be· .poatoth

· 4·

r.•w.w:,_l!,Ei4 a,u, 1224 L)s .• tt10a t _e ·. -~ TI308

_lila .. BIJW!A·. -~ -k · l-1 ltD~·

A'b(We 740 t e"tel. )700 40000 1060 TSOO BQlow 140 Leve:l..r 400 S4,QG 17,0 1750G

lb_ l· -~d· A'bGWG 740 Level. 2100 1,400 18,0 12500 Below '740 Level~. ,00 JSOO 1800 2-TOOO

S}\1tyg~~ (No. '· L4)de} 250 !800 a so 2000

• 2'000 $000 aooo 0000

S2l!lmP I J!, -' " ISO 4150 180 4750

s·cn:m:i IQ-, f· 1000 3000 100G 3000

09RSIA:£:gsN. _l!IW 100 .5800 1&o seoo

§TOGI\RWI 4410 2,240 480 59J0

14020 1158t0 l1ej0 <JI/.flo-t> , .•

J<.qf~no:nce

. PROTE.RO;:OIC UPPE~

PRuTEROZOIC

PROTEROZOIC

a ... rea'"' '-------------'---~---

Gealo~n

Rocks lgneou5

ond

t i

£'1 • I 0 ; Zi

O'i 0 ' ~~

!

SOUTH

PLATE

LOCALITY

TOR RIVER AREA, N.T. ALLIGA PROSPECTS SHOWING URANIUM

Scale 0 z M ik:s

10 ZOO N

I

/0 lOON

IC OOON

9COON

0()

-£ .. 0

2

I I

I I

<;:)! '-[

Reference

CarbonaceouJ shole

Bleocht!d corbonoceous shale

Ferruginous cherty shale

Car bonoceous shole w;/h jerr ug:nous cher ly shole

.....----__ 6eoJogtcol houndory- posihon accurate

';;) I;) ~.

~j

.... <;:> <;:> ~ <;:>

'

I;)

~ ~

EL SHERANA WEST, N. T.

40

N<?l ADIT- 740' LEVEL INFORMATION FROM U.U.N.L.

0

Scale 40 80

PLATE 3

IOZOO N

/0 I OO_N'-----1

ICOOO N

9000 AI

120 FT.

1-1.-U: 7

PLA T E ~

6eoph:;s1col a..o:es

lA/ V I? L 9 00

" v I,:~ I / / ,/ ,/ 1?1

" v i<JI I I

y v / /,/,/ / 1~1 I I V/ / // ,/

1/ I v v '/,///,/ ,/

llf Faull :zone I I 1// / / // ~'<1/ v v

I t?t ( ,// / ,/,/ I vi I Shale ?

" I I y v 1 ,/ / ,// ,/ I '~ I I 141 }/ / /,/ ,/ I ' , I y 1/ lA \_.,-I I 1// ,/ ,/ '?

\ v v v 1// ,/ ,/

\ ( / ,/

y y v \

II '( _1.0 ~v,\J

Co ll ar /6 .5' 4 s 4 359 E

A z/mu fh 4 7 ° ( Gr;d)

Oepress1on S5°

Len gfh 490 ' o 11

DOH I - C ORONAT ION H I LL S. E .. N .T.

CROSS SE CTION

Scal e 100 0 100 2 00 .t: r.. E=~==~~~~~====~

B u r e a u of M1neral l?e.sovrces, Geolo_gy a n d Ge cphys,-'c.s. .Oar wtn, N. T. Julv . 19~4 ----------------------------------------------