Post on 23-Jul-2020
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C A P R I C O R N
R A N G E
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MOUNT DAWSON
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CAPRICORN RANGE
MOUNT MORTIMER
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A S H B U R T O N M I N E R A L F I E L D
Pb
Cu
Dmd
Au
Ag
206Stockyard Creek
243Pb
244Pb
2007Zn,Cu
205Big ChiefPb,Ag
207Cu,Pb
1330Pb
1345
Cu,U
1347Anticline-Bali Hi
Pb,Au,Ag
2171
Pb,Ag
1342
Au
7880
Au
7881
Au
10669
Parker LeaderAu
10670
Star FindAu
208The Gorge
Au
1328Au
1351
Au
209Dead FinishAu
210Greggs FindAu
1336
Au,Ag,Pb
1360
Au
1361Hearns FindAu
7482Big SarahAu
7483Big Sarah North
Au
1583Dmd
2004Dmd
2005Dmd
Ledge Prospect
New Find
New Finish
Star Of The West (eluvial)
Gorge Creek (vein)
Dead Finish North West
Cu
U
Zn
1349
Cu,Pb,Ag,ZnBali East
Au
10678Mount Mortimer Alluvials
The Gorge Ê Ashburton Alluvials
1345
1349
9738
10678
Prospectors Gully
Kooline Far Northeast
Kooline East
Bali Lo
53
SZ
M
60
8
6
85
20
c.
a a
aCapricorn Orogeny DÕ ( 1805 Ma)
Edmundian Orogeny (1070Ê755 MaÝä)
Capricorn Orogeny DÛ , Dç (1805Ê1780 Ma)
116^30'
116^30'
117^00'
117^00'
23^30' 23^30'
23^00' 23^00'
C
A
W A
C1 C1q A1
C1C1q
A1
C2
C2
A2
A3
A3
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10'
20'
40' 50'
20'
10'
50'40'
Colluvial units
Colluvial units, third generationQuartz and rock fragments in an unconsolidated silt and sand matrix; includes ferruginous deposits
Colluvial unit, second generationQuartz and rock fragments in a partly consolidated silt and sand matrix
Alluvial units, second generation
Alluvial unit, third generation
Alluvial unit, first generation
Partly consolidated silt, sand, and gravel; partly dissected by present-day drainage
Weakly cemented and compacted silt, sand, and gravel; deeply dissected by present-day drainage
Ferruginous deposits, including lateritic, ferruginous, and manganiferous duricrustCalcrete, developed in and adjacent to alluvial channels; locally silicified; dissected by major present-day drainage linesSilcrete and brecciated siliceous caprock
Quartz veins, of various ages
c.Dolerite dykes, sills, and small intrusions, of various ages; one suite dated at 755 MaÝâ; includes minor quartz diorite, tonalite, and biotite monzogranite
c.
ULLAWARRA FORMATION: siltstone, fine-grained sandstone, dolostone, and chert; intruded by numerous dolerite sills ( )
DEVIL CREEK FORMATION: laminated dolostone and dolomitic siltstone; local thick-bedded dolorudite
DISCOVERY FORMATION:
MUNTHARRA FORMATION: thin- to thick-bedded dolostone and stromatolitic dolostone, and sandstone and siltstone
KIANGI CREEK FORMATION: siltstone, mudstone, and thin to very thick bedded quartz sandstone; minor dolostone and conglomerate
CHEYNE SPRINGS FORMATION: dololutite, dolarenite, dolorudite, mudstone, siltstone, and minor sandstone
BLUE BILLY FORMATION: siltstone and mudstone; minor thin- to thick-bedded sandstone; locally sulfidic
Medium- to thick-bedded sandstone and siltstone; locally sulfidic
Medium- to thick-bedded sandstone and siltstone
GOORAGOORA FORMATION:
IRREGULLY FORMATION: stromatolitic and non-stromatolitic dolostone, dolomitic siltstone, quartz sandstone, and conglomerate
sandstone, siltstone, conglomerate, and dolostoneYILGATHERRA FORMATION:
EDM
UND
BASI
NAS
HBUR
TON
BASI
NBL
AIR
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N
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oup
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C
c.
C Cf
Cf
W Sandy and clayey distal sheetwash and slope deposits, no clearly defined drainage
Alluvial unitSilt, sand, and gravel in active drainage channels and adjacent to floodplains; includes ferruginous deposits
C1tsµ
C1tsµQuartz fragments in an unconsolidated silt and sand matrix, derived from quartz veins and quartzose rockSandstone fragments in a silt and sand matrix, derived from sandstone
A2 A2t
A2t Alluvium with abundant lithic clasts
ìRm-s
ìRm-kd
ìRm-sc
ìRm-sl
MOOLINE FORMATION:
ìRb-s
ìRbk-f
ìRb-sl
thin- to thick-bedded, massive to planar laminated felsic volcaniclastic rock, and accretionary lapilli tuffKoonong Member:
BYWASH FORMATION:
ìWa-s
ìWa-sc
ìWa-f
ìWa-st
ìWd-k
ASHBURTON FORMATION:
DUCK CREEK DOLOMITE: thin- to thick-bedded laminated dolostone
dolomitic sandstone, and dolostone
felsic volcaniclastic sandstone
fine to very coarse grained sandstone, siltstone, conglomerate, dolostone, dolomitic siltstone, andfelsic volcaniclastic sandstone
dololutite, dolorudite, and felsic volcanic rock
Capr
icorn
Gro
up
GEOLOGICAL SURVEY OF WESTERN AUSTRALIAAUSTRALIA 1Ý:Ý100Ý000 GEOLOGICAL SERIES SHEET 2251
¦ Western Australia 2004
FIRST EDITION 2004SHEET 2251
Department of
CLIVE BROWN, M.L.A.
MINISTER FOR STATE DEVELOPMENT
JIM LIMERICK
DIRECTOR GENERAL
Industry and Resources
GEOLO
G IC A L SURVEY
WE
ST
E R N A U S T RA
LIA
TIM GRIFFIN
DIRECTOR
Geological Survey ofWestern Australia
W.A.
N.T.
S.A.
N.S.W.
Vic.
Qld
Tas.
A.C.T.
2052
2050
2051
2153
2150
2151
2253
2250
2251
2353
2350
2351
2450
2451
2550
2551
BOOLALOO
MANGAROON
MAROONAH
EDMUND
ULLAWARRA CAPRICORN ASHBURTON
BOGGOLA
PARABURDOO
KALLENIA
EDMUND TUREE CREEK
SF 50-10
SF 50-14 SF 50-15
SNOWY MOUNT
KENNETH RANGEELLIOTT CREEK
1:100Ý000 maps shown in black
1:250Ý000 maps shown in brown
SHEET INDEX
GNMN
GRID / MAGNETIC
GRIDCONVERGENCE
True north, grid north and magnetic north
are shown diagrammatically for the centre
of the map. Magnetic north is correct for
TN
0.1¾
ANGLE 1.1¾
WYLOO
SF 50-11
MOUNT BRUCE
CANE RIVER
2053
MOUNT STUART FARQUHAR
2152 2252
WYLOO HARDEY
2352
2453
2452
2553
2552
JEERINAH McRAE WITTENOOM
ROCKLEA MOUNT LIONEL MOUNT BRUCE
Western Australia Geological Survey, 1:100Ý000 Geological Series
The recommended reference for this map is:
Geochronology by:
(8) K. N. Sircombe, 2003, Australian Journal of Earth Sciences, v. 50, p. 967Ê974.
(3) M. T. D. Wingate, 2002, GSWA Record 2002/4.(4) D. R. Nelson, 2001, GSWA Record 2001/2, p. 10Ê20.
DIAGRAMMATIC SECTION
4 km
2 km
SEA LEVEL SEA LEVEL
2 km
4 km
A B
Edmund Group
Bang
emal
lSu
perg
roup
Capricorn Group
Wyloo Group
Quartz vein
EDMUND BASIN
BLAIR BASIN
ASHBURTON BASIN
0 5 10 15 20
Kilometres
SCALE 1:Ý500Ý000
Dolerite dyke
Geological boundary
exposed...........................................................................................................
concealed........................................................................................................
Structural symbols are labelled according to the sequence of deformation
events, where known
DÕ .............................................................................................................e 1
Ashburton Fold Belt
aDç ......................................................................................................
aDÛ ......................................................................................................
5
4
aDÕ ...................................................................................................... 3
Fault
exposed...........................................................................................................
concealed........................................................................................................
Fold, showing axial trace and generalized plunge direction
anticline; exposed, concealed.......................................................................
syncline; exposed, concealed.......................................................................
Small-scale fold axial surface, showing strike and dip
inclined............................................................................................................
vertical.............................................................................................................
Small-scale fold axis, showing trend and plunge
anticline...........................................................................................................
syncline...........................................................................................................
S-vergence......................................................................................................
Z-vergence......................................................................................................
M-vergence.....................................................................................................
Bedding, showing strike and dip
inclined............................................................................................................
vertical.............................................................................................................
horizontal.........................................................................................................
overturned.......................................................................................................
17
75
Way-up indicator
sedimentary structure....................................................................................
Cleavage, showing strike and dip
inclined............................................................................................................
vertical.............................................................................................................
45
Crenulation cleavage, showing strike and dip
inclined............................................................................................................65
inclined............................................................................................................ 50
unspecified......................................................................................................
Track......................................................................................................................
Fence, generally with track..................................................................................
Building..................................................................................................................
Yard........................................................................................................................
Horizontal control, minor......................................................................................
Watercourse with ephemeral pool or waterhole................................................
Pool........................................................................................................................
Windpump..............................................................................................................
Abandoned.............................................................................................................
trend of bedding.............................................................................................
Major track............................................................................................................
Locality...................................................................................................................
Contour line, 20 metre interval............................................................................
Claypan..................................................................................................................
Bore, well...............................................................................................................
Position doubtful....................................................................................................
Airphoto lineament
ìWa-mh
ìWa-st
ìWa-st
ìWa-st
ìWa-st
ìWa-st
ìWa-st
ìWa-st
ìWa-st
ìWa-st
ìWa-st
ìWa-st
ìWa-sc
ìWa-sc
ìWa-sc
ìWa-sc ìWa-sc ìWa-sc
ìWa-sc
ìWa-sc
ìRm-sìRm-s
ìRm-s
ìRm-kd
ìRb-s ìRb-sìRbk-f
ìRbk-f
ìRbk-f
ìRbk-f
ìRbk-f
ìRbk-fìRbk-f
ìod¿,À
ìod¿,À
ìRm-sl
ìRm-sl
ìRm-sl
od
od od
od
zq
Proximal mass-wasting deposits in an unconsolidated to partly consolidated, weakly cemented and compacted silt and sand matrix; includes ferruginous deposits
Sheetwash unit
Ferruginous rubble and scree, unconsolidated
Unconsolidated silt, sand, and gravel in active drainage channels; includes ferruginous deposits
Residual or relict units
Edmund Group c.
massive or laminated chert, silicified mudstone, and siltstone; local silicified sandstone and conglomerate
fine- to coarse-grained sandstone, and siltstone; minor conglomerate, dolostone, and dolomitic siltstone
c. 1620 MaÝê
Siltstone, dolostone, and fine- to coarse-grained sandstone
c.1806Ê1829 MaÝîÝð
Precious mineral
Industrial mineral
MINERAL AND ROCK COMMODITY GROUPS
MINERAL OCCURRENCES
MINERAL AND ROCK COMMODITIES
OPERATING STATUS AND SITE IDENTIFICATION NUMBER
Diamond.......................................................................
Dolerite and gabbro sills
BeddingÊcleavage intersection lineation, showing trend and plunge
Thin to very thick bedded dolostone, dolomitic sandstone, dololutite, dolorudite, and quartz sandstone
Siltstone and fine-grained sandstone, medium to very coarse grained sandstone, dolomitic siltstone, dolostone, and
thin to very thick bedded medium to very coarse grained sandstone, dolomitic sandstone, dolostone,
ìME-s
ìR-s
ìW-s
(1) M. T. D. Wingate and J. W. Giddings, 2000, Precambrian Research, v. 100, p. 335Ê357.
(5) D. R. Nelson, 1998, GSWA Record 1998/2, p. 194Ê197.
(7) GSWA, in prep., GSWA Record.
100 Plain Street, East Perth, WA, 6004. Phone (08) 9222 3459, Fax (08) 9222 3444
Published by the Geological Survey of Western Australia. Digital and hard copies of thismap are available from the Information Centre, Department of Industry and Resources,
THORNE, A. M., MARTIN, D. McB., and COPP, I. A., 2004, Capricorn, W.A. Sheet 2251:
Cartography by A. Francois, S. Collopy, D. Wallace, and B. Williams
A
B
Vein and hydrothermal
Copper..........................................................................
Gold..............................................................................
Lead..............................................................................
Silver.............................................................................
Uranium........................................................................
Zinc...............................................................................
e.g.
e.g.
e.g.
e.g.
Mineral occurrence or prospect
Mineral deposit
Abandoned mine
Operating Mine
Mineral occurrences and numbers are from the GSWA WAMIN database* Larger symbols represent mines or deposits also in the DoIR MINEDEX database
2004 and moves easterly by about 0.1^ in
1 year.
ìWa-sìWa-s
ìWa-sìWa-s
ìWa-s
Dolerite and gabbro sills intruded into ; oldest suite ( ) dated at 1465 MaÝåÝè, and youngest suite ( ) dated at 1070 MaÝåÝè
Medium to very thick bedded quartz sandstone and siltstone
Polymictic, clast- and matrix-supported pebble to cobble conglomerate, pebbly sandstone, coarse-grained sandstone,
ìWa-mh
Pebble to cobble conglomerate, thin to very thick bedded sandstone, and siltstone; lower greenschist facies
Thin to very thick bedded, massive to laminated felsic volcaniclastic sandstone, and siltstone; lower greenschist facies
Thin to very thick bedded lithic quartz sandstone, and siltstone, pebbly sandstone, and conglomerate; lower greenschist facies
Edmundian Orogeny (1070Ê755 Ma)
Capricorn Orogeny (1830Ê1780 Ma)
Abandoned mine or prospect..............................................................................
For further details, refer to main reference
Fold axes
Fault
Stratabound sedimentary
Regolith hosted
MINERALIZATION STYLESÝ*
DATA DIRECTORY
Theme AgencyData Source Data Currency
Geology 1998ÝÊÝ2004GSWA
Topography DLI and GSWA field survey 2001
Structural data WAROX
GEONOMA
Cadastre TENGRAPH APR 2004
MAY 2004GESMARHorizontal control
Topographic nomenclature
Dept of Industry and Resources
Dept of Industry and Resources
Dept of Industry and Resources
Dept of Industry and Resources
Dept of Land Information
Dept of Land Information
Dept of Land Information
NOV 2003
JUN 2004
APR 2004
WAMIN JUN 2004 Dept of Industry and Resources
Mineral occurrences(non-confidential)
MINEDEX
(2) D. McB. Martin and A. M. Thorne, 2004, Precambrian Research, v. 128, p. 385Ê409.Interpreted geochronology by:
(6) C. E. Hall et al., 2001, Australian Journal of Earth Sciences, v.48, p. 731Ê744.
Edited by F. Eddison and G. Loan
WebÝ www.doir.wa.gov.au/gswa EmailÝ geological.survey@doir.wa.gov.au
Geology by D. B. Seymour and A. M. Thorne 1982Ê83, and I. A. Copp andD. McB. Martin 1998, and D. McB. Martin and A. M. Thorne 2001
1804 MaÝì
ìMEb-slìMEg-s
ìMEp-k
ìMEi-k
ìMEy-s
inclined............................................................................................................
Axis of crenulation, showing trend and plunge
40
INTERPRETED BEDROCK GEOLOGY
Precious metal
Version 1.0 _ June 2004
pebble to cobble conglomerate, and felsic volcanic rock; lower greenschist faciessiltstone, thin to very thick bedded lithic quartz sandstone,
ASHBURTON FORMATION
Interbedded psammite and pelite; includes
to amphibolite facies; metamorphosed
quartzÊmuscoviteÊbiotiteÊcordieriteÊandalusiteÊgarnet schist andquartzÊmuscoviteÊbiotiteÊstaurolite schist; upper greenschist
Aeromagnetic lineament......................................................................................
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
The Map Grid Australia (MGA) is based on the Geocentric Datum of Australia 1994 (GDA94)
GDA94 positions are compatible within one metre of the datum WGS84 positionsGEOCENTRIC DATUM OF AUSTRALIA