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460440
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460
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480
460
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Yallawun
Creek
Cork
TreeCreek
Hacks
Creek
Pool
Soak
Bore Well
Dam Tank
(PD)
(abd)
Gnamma hole Rockhole
Hacks Creek
Neelans Shearing Shed
Atley
PAYN
ESSA
NDST
ONE
ROAD
FIND
PAYN
ESFIN
D
SAND
STON
E
ROAD
Gilberts Grave
SANDSTONE
MENZIES
ROAD
SANDSTONE
MENZIES
ROAD
Dandaraga
DAND
ARAG
ARO
AD
THE DETOUR
Hancocks
TABLETOP
BLAC
K
RANG
E
MOUNT MAGNET SANDSTONEROAD
Yard
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ruin
ruin
ruin
MOUNT DENHOLM MOUNT IRIS
MOUNT KLEMPTZ
MOUNT BREEN
MOUNT DWYER
Sandstone 4 km Sandstone 1 km Sandstone 4 km
Youanmi 22 km Yuinmery Homestead 8 km
Blac
k Hi
ll Ho
mes
tead
5 k
m
Winds
or H
omes
tead
45
km
Nunngarra
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landing ground
landing grounds
576 m
532 m 523 m
London Bridge
534 m
522 m
508 m
Bulg
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wns
Hom
este
ad 5
0 km
AM 3535 m
554 m
YOUANMI 6452 m
R 411
PAYNES FINDÝ_ÝSANDSTONE ROAD SANDSTONEÝ_ÝMENZIES ROAD
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Jew Well
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Smith Well
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E A S T M U R C H I S O N M I N E R A L F I E L D
B L A C K R A N G E D I S T R I C T
Bulchina
q
ManingaMarley
Au3426
3449
3465Au3487
Au
4466Au
11401
11493
Au
11494Au
11495
11496
Au
11497Au
11498Au
11499Au
11500
11501Au
11502
Au
11503
11504Au11506 Au11507
11508Au
11509Au11510 Au
11511Au
11514Au
11516 Au
11517Au
11518Au
11519Au
11520Au
11521Au
11523
11524Au
11525
11526
11527
1152811529
11530 11531
11533Au
11534
11535
Au
11536Au 11537
Au
11538
11539Au
11540Au
11541Au 11542
11543
11544Au
11545
11546Au
11547Au
11548Au
11549
Au 11550
11551Au
11552
11553
11555Au
11556Au
11557Au
11559Au 11560
Au
11561
11562Au
11563
11564Au
11565
11566Au
11571
11572 1157311574
11576
11579Au
11580Au
11581Au
11582Au
11584
11585Au
11586Au
11587Au
11588
1158911590115911159211593
11594
11595
11598
1160011601
1160311604
1160511606
11611
11613
11614
1161511616
11617
11618Au
11619Au
11635
11647Au
11648
11650Au
11696Au
Mickey Well
Secret Patch
SandstoneEureka
Shannons
Irishman Au Au
Hillview
ButchersAu Iron Knob
Maries
Au Bulletin
Duke of Windsor
Eclipse
Neds Patch
Au
Swede
Agnes
Might as Well Indomitable
Raffertys Patch
Little Raffertys Patch
Lightning Patch
Bellchambers
Plum Pudding
Two Mile Hill
Bull Oak
Ladybird
Vanguard
Shillington
Au
Au
Au
Bulchina
ñog
ñbk
Au
Au
HANCOCKS
BELLCHAMBERSMANINGA MARLEY
NUNNGARRA
HANCOCKS
SixMile
Au
TwinShafts
11568-9
11597
GardenWell
ñci
ñg
ñg
ñog
ñog
ñog
ñur ñcñu
ñg
ñu
ñuñsñu ñs
ñuñu
ñuñc
ñus
ñu
ñus
ñus
ñf
ñuñs
ñu
ñuñus
ñuñf
ñuñs ñf
ñs
ñusñu
ñf
ñfñu
ñuñb
ñciñu
ñu
ñuñu
ñu
ñbñu
ñusñuñc ñu
ñuñu
ñus
ñus
ñuñu ñuñfñu
ñuñu
ñu ñu ñuñuñc
ñuñf
ñcñu
ñfñu
ñus ñfñu
ñfñus
ñus
ñus ñusñusñbñf
ñcñu
ñu ñu ñfñfñb
ñbñf
ñcñbñf
ñbñbñb
ñbñf
ñf
ñoñf ñf
ño
ñgñf ñg
ñog ñf
ñogñf
ñu
ñuñf
ñcño
ñbñb
ño
ñfñu
ñuñog
ñu
ñu
ñu
ñu
ñu
ñb
ñb
ñuñf
ñuñu
ñuñu
ñbñci
ñuñci
ñfñb
ñusñbñu
ñb
ñf
ñb ñbñu ñu
ñcñu
ñbñu
ñbñu
ñuñuñu
ñu
ñu
ñuñb
ñuñuñu
ñuñci
ñbñu
ñciñu
ñbñb
ñbñb ñb
ñu
ñbñbñu ñu
ñu
ñu
ñuñf
ñbñb
ñbñu
ñu
ñu
ñcñog
ñbñci
ñciñu
ñogñb
ñuñuñu
ñu
ñuñci
ñbñu
ñu
ñuñus
ñus
ñus
ñu
ñu ñu ñu
ñu
ñu
ñus
ñu ñu
ñus
ñusñciñu
ñusñciñb
ñfñuñf
ñuñf
ñuñc
ñu
ñu
ñu
ñu
ñogñu
ñb
ñog ñu
ñu ñus
ñu
ñb
ñuñuñuk
ñukñus
ñuñbñu
ñusñu
ñbñu
ñuñc
ñu
ñuñur
ñuk ñus
ñuk ñukñusñu
ñu
ñbkñu
ñbñb ñu
ñukñci
ñbkñu
ñuñuñb
ñb ñbñbñu
ñog
ñb ñciñciñu
ñuk ñukñu
ñbñu
ñur
ñuñu
ñfñf
ñb
ñog
ñf
ñb
ñuñciño
ñbñb
ñb ñb
ñbñb
ñbñbñuñog
ñog
ñuñu
ñbñukñu
ñbñb
ñu ñb ñbñb
ñbñbñb
ñcñu ñog
ñogñus
ñu ñus
ñu
ñuñb
ñuñci ñu
ñu ñur
ñbñu
ñu
ñusñb
ñuñf
ñu
ñuñuk ñb
ñcñbñbñuk
ñb
ñukñukñu
ñf
ñbñbñf ñuk ñukñu
ñfñu
ñbñbñu
ñur ñbr
ñbñu
ñbñu
ñu ñuñukñuk
ñb
ñu
ñuñu
ñu
ñuñuñu
ñb
ñb
ñb
ñbñu
ñukñuk
ñus ñu ñu
ñuñfñb
ñu
ñuñu
ñu ñuñuñb
ñog
ñci
ñus ñu
ñu
ñb
ñb
ñbf
ñfñu
ñb
ñb
ñu
ñuk
ñuk
ñog
ñur
Black Range West
3398
11746
HacksReef
ñf,ñb,ñu
Wirra-Minna
3465
11506
11493
Mineral occurrences and numbers are from the GSWA WAMIN database.*Larger symbols represent mines or deposits also in the DoIR MINEDEX database
Youanmi Shear Zone
? ?
10
15
5
20
28^30'28^30'
28^00'28^00'
119^00'
119^00'
119^30'
119^30'
GEOLOGICAL SURVEY OF WESTERN AUSTRALIAAUSTRALIA 1 : 100000 GEOLOGICAL SERIES SHEET 2741
¦ Western Australia 2003
B
A
10' 20'
10'
20'
20'10'
20'
10'
C Cf Cg Clcª Cq W Wf
A A§ A² L® L¯
CCfCgClcªCq
WWf
AA§A²
L®L¯
Mixed gravel and debris from different rock types; includes sand and silt; locally ferruginousFerruginous gravel and reworked duricrustQuartzofeldspathic gravel, sand, and silt derived from granitoid rockTalus mainly derived from banded iron-formation and chert; locally cemented
Clay, silt, and sand; locally ferruginous
Clay, silt, sand, and gravel in drainage systems
Saline playa lake deposits
L¥2 S Sl
L¥2
SSl
Stabilized sand dunes adjacent to playa lakes; typically vegetated
Residual and eolian sandYellow sand with minor ferruginous pisoliths, silcrete, silt, and clay
Rd Rf Rg Rgp¨ Rk Rz Rzu
RdRfRgRgp¨RkRzRzu
Ferruginous duricrust and pisoliths
CalcreteSilcrete
q g
qg
Quartz veinGranitoid dyke
ñg ñgb ñgf ñgm ñgmf ñgnñgcm
ñgñgb
ñgfñgmñgmfñgn
ñgcm
Granitoid rock, undivided; includes deeply weathered rockGranitoid rock interleaved with minor mafic rock
Strongly foliated granitoid rock; typically deeply weatheredCOOMB BORE MONZOGRANITE:
ñs ñci
ñs
ñci
Metasedimentary rock, undivided; typically deeply weathered
Metamorphosed banded iron-formation and minor banded chert
ño ñog ñogf
ño
ñogfñog
Medium- and coarse-grained mafic rock; typically deeply weathered
ñb ñba ñbf ñbg ñbk ñbr ñbt ñbv
ñbñbañbfñbgñbkñbrñbtñbv
Tremolite- and chlorite-rich rock, with relict pyroxene spinifex texture; moderately to strongly foliatedMetamorphosed mafic tuff; well bedded
ñu ñuk ñup ñur ñus
ñuñukñupñurñus
Metamorphosed ultramafic rock, undivided; typically deeply weatheredMetakomatiite, with relict olivine spinifex texturePeridotite; metamorphosed and locally serpentinizedTremoliteÊchlorite(Êtalc) schistSerpentinite
CAIN
OZOI
C
PHAN
EROZ
OIC
PROT
EROZ
OIC
ARCH
AEAN
YILG
ARN
CRAT
ON
Mixed sand dune, evaporite, and alluvial deposits adjacent to playa lakes
Quartzofeldspathic sand and quartz gravel over granitoid rock, with sparse granitoid outcrop
Ferruginous grit; includes clay, silt, and sand
Banded chert and ferruginous chert; includes minor banded iron-formation; metamorphosed
ñsq
ñsq Quartz-rich metasedimentary rocks, mainly quartzite
exposed...........................................................................................................
Geological boundary
Fault
exposed...........................................................................................................
concealed........................................................................................................
concealed, interpreted from aeromagnetic data........................................
Fold, showing axial trace and generalized plunge direction
Small-scale fold axis, showing trend and plunge
Bedding, showing strike and dip
Way-up indicator
Foliation, showing strike and dip
Mineral lineation, showing trend and plunge
Fracture, joint, or extension vein, showing strike and dip
anticline...........................................................................................................
syncline............................................................................................................
inclined............................................................................................................
vertical.............................................................................................................
pillow structure...............................................................................................
inclined............................................................................................................
vertical.............................................................................................................
inclined............................................................................................................
inclined............................................................................................................
vertical.............................................................................................................
Major track.............................................................................................................
Track.......................................................................................................................
Fence, generally with track..................................................................................
Abandoned railway...............................................................................................
Homestead.............................................................................................................
Locality...................................................................................................................
Building..................................................................................................................
Yard........................................................................................................................
Breakaway.............................................................................................................
Sand dune.............................................................................................................
Contour line, 20 metre interval............................................................................
Watercourse with ephemeral pool or waterhole................................................
Pool.........................................................................................................................
Soak.......................................................................................................................
Bore, well...............................................................................................................
Windpump..............................................................................................................
Dam, tank..............................................................................................................
Abandoned.............................................................................................................
Position doubtful....................................................................................................
Opencut..................................................................................................................
Tailings or stockpile..............................................................................................
Subsurface data from drillhole, costean, shallow shaft, or pit........................
Battery or treatment plant, abandoned..............................................................
123456
MINERAL OCCURRENCES
Gold..................................................
Vein and hydrothermal mineralization
Mineralization and rock commodity information from non-confidential data held in the WAMIN
GN
MN
GRID / MAGNETIC
GRIDCONVERGENCE
True north, grid north and magnetic north
are shown diagrammatically for the centre
of the map. Magnetic north is correct for
1 year.
2002 and moves easterly by about 0.1^ in
TN
GEOLO
G IC A L SURVEY
WE
ST
E R N A U S T RA
LIA
TIM GRIFFIN
DIRECTOR
Geological Survey ofWestern Australia
1:100Ý000 maps shown in black
1:250Ý000 maps shown in brown
SHEET INDEX
Grid lines indicate 1000 metre interval of the Map Grid Australia Zone 50
VERTICAL DATUM: AUSTRALIAN HEIGHT DATUM
0 1 2 3 4 5 6 7 8 9 10
KilometresMetres
1000
SCALE 1:100Ý000
HORIZONTAL DATUM: GEOCENTRIC DATUM OF AUSTRALIA 1994UNIVERSAL TRANSVERSE MERCATOR PROJECTION
0 5 10 15 20
Kilometres
SCALE 1:Ý500Ý000
SHEET 2741 FIRST EDITION 2003
MOUNTALEXANDER
Topography from the Department of Land Administration Sheet SH 50-4, 2741
Aeromagnetic lineament.......................................................................................
Isotopic age determination site with identification number..............................
1.1¾
ANGLE 2.0¾
SANDSTONE
SG 50-16
SH 50-4 SH 51-1
SG 51-13
LEONORAYOUANMI
SIR SAMUEL
MOUNT KEITHNOWTHANNA YOUNO DOWNS MONTAGU YEELIRRIE WANGGANNOO
314330432943284327432643
WOODLEY
2642
SANDSTONE
2742
LAKE MASON
2842
DEPOT SPRINGS
2942
SIR SAMUEL
3042
DARLOT
3142
WEEBO
31413041
WILDARAMUNJEROO
29412841
EVERETT CREEKATLEY
2641
WINDIMURRA
YOUANMI
2640 2740
RAYS ROCKS RICHARDSON
2840 2940
WILBAH
3040
LEONORA
3140
2741
Gnamma hole, rockhole ......................................................................................
gy
gy Granophyre
Mafic rock interleaved with minor granitoid rock; metamorphosed
antiform............................................................................................................
synform............................................................................................................
Geology by S. F. Chen 2001Ê2002
gy Granophyre
ñgñgcmñgmfñgn
ñg ñgcm ñgmf ñgn
Granitoid rockCoomb Bore Monzogranite
Gneissic granitoid rock
ñf
ñs
ñog Metagabbro dominant
ñb ñbg
ñbñbg
Metabasalt dominant
metamorphosed
ñu Metamorphosed ultramafic rocks dominant
YILG
ARN
CRAT
ON
INTERPRETED BEDROCK GEOLOGY
The Map Grid Australia (MGA) is based on the Geocentric Datum of Australia 1994 (GDA94)
GEOCENTRIC DATUM OF AUSTRALIA
GDA94 positions are compatible within one metre of the datum WGS84 positions
Foliated granitoid rock, mainly monzogranite
medium- to coarse-grained monzogranite; includes minor syenogranite and granodiorite
Road, sealed.........................................................................................................
Road, unsealed.....................................................................................................
60
65
20
75
Mineralization in the regolith
Department ofIndustry and Resources
CLIVE BROWN, M.L.A.
MINISTER FOR STATE DEVELOPMENT
JIM LIMERICK
DIRECTOR GENERAL
WebÝ www.doir.wa.gov.au EmailÝ geological [email protected]
Horizontal control; major, minor.........................................................................
Mining centre.........................................................................................................
Mine or deposit name..........................................................................................
Cartography by D. Ladbrook and K. Greenberg
Edited by C. Strong and G. Loan
Colluvial units
Sheetwash units
Alluvial units
Lacustrine units
Lacustrine unit
Sandplain units
Residual or relict units
ìd
ìd
ñcc
ñcc
Ak
Ak Calcrete developed in and adjacent to alluvial channels
Clay, silt, sand, and gravel within floodplain
Siliceous and ferruginous duricrust
Quartzofeldspathic sand; commonly over granitoid rock
Mafic dyke; includes dolerite and gabbro
c. 2667 Ma near Bell Chambers Well
c. 2686 Ma
ñf Fine-grained felsic rock, metamorphosed; commonly weathered;c. 2731 Ma in Bulchina opencut
Metamorphosed fine-grained mafic rock, undivided; metamorphosed; typically deeply weathered
Pyroxene spinifex-textured komatiitic basalt; metamorphosed
Mafic dyke
Felsic volcanic and volcaniclastic rocks
ñs
ñc
ñc Banded iron-formation and chertClastic sedimentary rock dominant
syncline; exposed, concealed.......................................................................
trend of foliation.............................................................................................
MINERAL AND ROCK COMMODITY GROUPS
Precious metal
MINERAL AND ROCK COMMODITIES
CHEN, S. F., 2003, Atley, W.A. Sheet 2741: Western Australia Geological Survey, 1:100
Geochronology by:
(1) D. R. Nelson, 2002, GSWA Record 2002/2, p. 219Ê224.
Microwave repeater station.................................................................................
OPERATING STATUS AND SITE IDENTIFICATION NUMBER
MINERALIZATION STYLES*
000
Quartz-vein debris
Clay and silt in claypans
Siliceous caprock over ultramafic rock
Fine- to coarse-grained monzogranite; massive to weakly foliatedStrongly foliated, fine- to coarse-grained monzogranite; locally gneissicGneissic granitoid rock; fine to coarse grained, strongly foliated monzogranite to syenogranite; â
ä
Medium- to coarse-grained metagabbro; massive to weakly deformed
Amphibolite; fine to medium grained, typically strongly foliatedFoliated to amphibolitic metabasalt; fine to medium grained
Metabasalt; fine grained, massive to weakly foliated
database, GSWA, at 3 June 2003. Data points filtered for clarity on the plotted product;
Plotted by the Geological Survey of Western Australia. Digital and hard copies of this mapare available from the Information Centre, Department of Industry and Resources,100 Plain Street, East Perth, WA, 6004. Phone (08) 9222 3459, Fax (08) 9222 3444
Version 1 _ June 2003
For further details, refer to main reference
Foliation trend
Fracture pattern
Fault
Fold axis
Mafic and ultramafic rocks with minor granitoid;
â ä
Strongly foliated metagabbro; medium to coarse grained
(2) D. R. Nelson, in prep., GSWA Record 2003/2.
e.g.
e.g.
e.g.Operating mine
Abandoned mine
Mineral occurrence or prospect
4 km 4 km
2 km 2 km
SEA LEVEL SEA LEVEL
A BDIAGRAMMATIC SECTION
q
ñciñci
ñci
ñci
ñci
ñci
ñci
ñci
ñci
ñci
ñg ñgmf ñgmfñbf
ñbf
ñogñog ñog
ñog
ñogño
ño
ñu
ñu
ñu ñuñs
ñbv
ñbv
ñbv
ñbv
ñbv
ñbk
ñu
ñg
ñbv
ñg
ñbv
ñog ñbvñci
ñci
ñba
ñbf
ñci ñb
ñb
ñgn
ñci
ìd
ñcc
ñcc
ñcc
ñcc
ñccñcc
ñcc
ñcc
ñcc
ñcc
with modifications from geological field survey
The recommended reference for this map is:
Geological Series.
full set of data points available in digital data
W.A.
N.T.
Qld
S.A.
N.S.W.
A.C.T.
Vic.
Tas.
