AUSTRALIA 1:100Ý000 GEOLOGICAL SERIES GEOLOGICAL … › gswa-public… · 100 100 100 100 100 80...
Transcript of AUSTRALIA 1:100Ý000 GEOLOGICAL SERIES GEOLOGICAL … › gswa-public… · 100 100 100 100 100 80...
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PGE
Cu
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Elizabeth Hill
W E S T P I L B A R A M I N E R A L F I E L D
Yannery Hill
Whundo
Whundo
Asbc
Cu
Tlc
Zn
PGE
Pb
Rm
Au
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Bs
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YanneryHill
Au
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Maitland Shear Zone
21°00À
DELAMBRE
¦ Western Australia 2000
0 5 10 15 20
Kilometres
SCALE 1:Ý500Ý000
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ndo
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VH
UNIVERSAL TRANSVERSE MERCATOR PROJECTION
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 1994
SHEET 2255 FIRST EDITION 2000
GEOLOGICAL SURVEY OF WESTERN AUSTRALIAAUSTRALIA 1:100Ý000 GEOLOGICAL SERIES SHEET 2255
116°30À
10À
20À
21°30À
116°30À 40À 50À 117°00À
21°30À
20À
10À
21°00À
117°00À50À40À
Claypan deposits on floodplains
Scree material composed of dolerite fragments
Eluvial sand over granitoid rocksEolian sand _ red-yellow wind-blown sand; local sand ridges
Dolerite dyke
Granite veinQuartz veinPyroxenite or pyroxene-rich dolerite dyke
Metadolerite
Silicified gabbro
Peridotite; serpentinized
Quartz diorite and amphibole syenogranite; metamorphosed
Pyroxenite and pyroxene-rich gabbro; locally sulfidic; metamorphosed
Leucogabbro; metamorphosedMetadolerite
Metadolerite
Hornblende- and biotite-rich granitoid gneiss
Tonalite; metamorphosed
Scapolite-bearing calc-silicate schist
Plagioclase-phyric metabasalt
TremoliteÊchlorite schist
Alluvial sand, silt, and clay in floodplains
Alluvial sand, silt, and clay in floodplains, with gilgai surface in areas of expansive clay
Sheetwash sand, silt, and clay in distal outwash fans, with gilgai surface in areas of expansive clay
Colluvium _ sand, silt, and gravel in outwash fans and scree
Colluvium; dissected by recent drainage, with gilgai surface in areas of expansive clay
Residual clay containing rock fragments; dissected by present drainage; with gilgai surface in areas of expansive clay
Hornblende- and biotite-rich monzogranite; foliated
HornblendeÊbiotite tonalite to granite; foliated
Basaltic rock, undivided; metamorphosed
Ultramafic rock, undivided; metamorphosed
Saprolite related to weathering of a previous land surface; dissected by recent drainage
Gabbro and dolerite; metamorphosed
Unassigned gabbro; metamorphosed medium- to coarse-grained gabbro; foliated to massive
Leucogabbro; metamorphosed
PILB
ARA
CRAT
ON
PILB
ARA
CRAT
ON
Ham
ersle
y Ba
sin
2760 Ma
2770 Ma
2994 Ma
3114 Ma
3130 Ma3236 Ma
3068Ê2988 Ma
2925 Ma
QuartzÊfeldspar rock
Silicified ultramafic rock
Geological boundary
Fault
Fold, showing axial trace and generalized plunge direction
Way-up indicator
Metamorphic foliation, showing strike and dip
Structural lineation, showing trend and plunge
Igneous layering (banding), showing strike and dip
Bedding, showing strike and dip
strike and dip estimated from aerial photography
with modifications from geological field survey
This map is also available in digital form
Western Australia Geological Survey, 1:100Ý000 Geological Series
the Information Centre, Department of Minerals and Energy, 100 Plain Street,Published by the Geological Survey of Western Australia. Copies available from
East Perth, WA, 6004. Phone (08) 9222 3459, Fax (08) 9222 3444
The recommended reference for this map is:
Topography from the Department of Land Administration Sheet SF 50-6, 2255,
Grey and white banded chert
Dacite to andesite; local pyroclastic units; metamorphosed
Rhyolite to andesite schist; includes sheared felsic volcanic and clastic sedimentary rocks
Felsic volcanic rock, undivided; metamorphosed
Felsic tuff; rhyolite to andesite composition; metamorphosed
Rhyolite; commonly schistose
Dolerite dyke
Maddina Formation
Tumbiana Formation
Kylena Formation
Hardey Formation
Mount Roe Basalt
Maitland Intrusion
Radio Hill Intrusion
Munni Munni Intrusion
North Whundo Intrusion
Yannery Granite
Amphibolite
PILB
ARA
CRAT
ON
2717 Ma
2770 Ma
2925 Ma
Edited by N. Tetlaw and C. Brien
Alluvial sand and gravel in rivers and creeks; clay, silt, and sand in channels on floodplains
Alluvial calcrete; massive, nodular, and cavernous limestone; variably silicified
Residual ferricrete and ferruginous duricrust, and pisolitic ironstone on lateritic surface
Residual calcrete; massive, nodular, and cavernous limestone; variably silicified
Cartography by S. Coldicutt and B. Williams
2925 Ma
Banded grey monzograniteÊgranodiorite gneiss with xenoliths of mafic gneiss and sheets of leucocratic gneiss
Foliated and sheared metabasalt with sheared veins and sheets of microgranite and pegmatite
exposed.................................................................................................
concealed..............................................................................................
concealed, interpreted from aeromagnetic data...............................
inclined...................................................................................................
horizontal...............................................................................................
inclined............................................................................................
vertical....................................................................................................
inclined...................................................................................................
cross-bedding........................................................................................
inclined...................................................................................................
Isotopic age determination site with identification number.....................
Formed road.................................................................................................
Track.............................................................................................................
Railway.........................................................................................................
Fence, generally with track........................................................................
Powerline......................................................................................................
Homestead...................................................................................................
Building.........................................................................................................
Horizontal control; minor.............................................................................
Contour line, 20 metre interval...................................................................
Bore, Well.....................................................................................................
Tank..............................................................................................................
Opencut........................................................................................................
Quarry or pit.................................................................................................
Mineral occurrence......................................................................................
Asbestos, chrysolite..............................................................................
Building stone.......................................................................................
Copper...................................................................................................
Gold.......................................................................................................
Lead.......................................................................................................
Nickel.....................................................................................................
Platinum group elements.....................................................................
Silver......................................................................................................
Talc........................................................................................................
Zinc........................................................................................................
exposed.................................................................................................
Basalt and calcalkaline
(>1000 ppm; except for Ag >100 ppm; Au >500 ppb)
Cherratta GranitoidComplex3115 Ma
3125Ê
metamorphosed volcanicsUndivided mafic rocks; chiefly
ultramafic, and granitoid rocks
doleriteMetamorphosed gabbro and
Pipeline.........................................................................................................
0_15°.......................................................................................
Position doubtful..........................................................................................
Abandoned...................................................................................................
Printed by the Sands Print Group, Western Australia
Leucogabbro; metamorphosed
Pyroxenite, including websterite; metamorphosed
Pyroxenite; metamorphosed
Quartzofeldspathic schist; derived from volcanogenic sedimentary rock
2988 Ma3236Ê
Locality..........................................................................................................
anticline; exposed, concealed.............................................................
syncline; exposed, concealed.............................................................
*Stratigraphic correlation with Roebourne 1:100Ý000 Geological Series map
Alluvial gravel deposits; dissected by recent drainage
Colluvium _ dissected by recent drainage
Calcrete; developed on cemented colluvium derived from ultramafic rocks
Gabbro, and minor dolerite and leucogabbro; metamorphosed
Serpentinite; after peridotite
Gabbro, and minor dolerite and microgabbro; local norite and anorthosite; metamorphosed
Gabbro, and minor dolerite and microgabbro; local norite and anorthosite; metamorphosed
Chert, massive, minor chlorite, and opaque minerals
Strongly foliated amphibolite; metamorphosed basalt
Watercourse with ephemeral pool, waterfall.............................................
Microwave repeater station.........................................................................
Mine...............................................................................................................
Windpump.....................................................................................................Pyroxenite and gabbro dykes, metamorphosed
Ham
ersle
y Ba
sin
Geochemical anomaly from gossan assay
volcanic rock
Sheetwash _ sand, silt, and clay in distal outwash fans
Colluvium derived from mafic rock, with gilgai surface in areas of expansive clay
Mixed granitoid rock and greenstone: magmatic injection and tectonic interleaving
2760 Ma
Amphibolite, metamorphosed mixed mafic,
Road material.......................................................................................
KOJAN, C. J., and HICKMAN, A. H., 2000, Pinderi Hills, W.A. Sheet 2255:
Rhyolite and dacite
Andesite and dacite
massive, vesicular, and amygdaloidal basalt and basaltic andesite, with minor andesite, dacite, and rhyolite
Basaltic andesite with minor basalt and andesite
High-Mg basalt
Siltstone and tuff
Dark grey sandstone and siltstone; local basalt
Dark grey siliceous stromatolitic dolomite and limestone, carbonate-rich tuff, mudstone, and siltstone; correlated with
Volcaniclastic sandstone with minor tuff and carbonate rocks
Basalt
Tuff and tuffaceous siltstone, commonly with accretionary lapilli; local coarse intermediate pyroclastic rocks; correlated with
felsic tuff and agglomerate, and felsic to intermediate volcaniclastic sandstone and conglomerate; local abundant accretionary lapilli
sandstone, conglomerate, siltstone, shale, and tuff
Medium- to coarse-grained, poorly sorted sandstone, siltstone, and minor shale and conglomerate; local felsic tuff
Tuff and tuffaceous sandstone; minor conglomerate
Polymictic conglomerate
massive, vesicular, and glomeroporphyritic basalt
Andesite and dacite
Basaltic breccia
Laminated shale, siltstone, and poorly sorted tuffaceous sandstone
Polymictic conglomerate and sandstone
(Interpreted bedrock geology only)
Ham
ersle
y Ba
sin
Mineral exploration drillhole showing subsurface data...........................
Fault, showing relative displacement
SCALE: = 2
fine-grained ultramafic lava; abundant quartz xenocrysts
Cooya Pooya Dolerite
fine- to medium-grained, nonfoliated monzogranite; amphibole replaced by chlorite; anomalously magnetic
syenogranite to tonalite; locally porphyritic and generally foliated; gneissic granitoid contains mafic xenoliths
Porphyritic syenogranite and monzogranite; metamorphosed
Syenogranite and monzogranite; locally biotite-rich, foliated
fine- to medium-grained dolerite;local xenoliths of quartzite
PHAN
EROZ
OIC
CAIN
OZOI
C
QUAT
ERNA
RY
ARCH
AEAN
ARCH
AEAN
Mou
nt B
ruce
Sup
ergr
oup
Forte
scue
Gro
up
Pilb
ara
Supe
rgro
upPi
lbar
a Su
perg
roup
Pilb
ara
Supe
rgro
up (n
o st
ratig
raph
ic su
bdivi
sion)
Forte
scue
Gro
upUn
assig
ned
Geology by C. J. Kojan and A. H. Hickman 1997
Forte
scue
Gro
up
Mou
nt B
ruce
Sup
ergr
oup
Munni Munni Intrusion
North Whundo Intrusion
Radio Hill Intrusion
CHERRATTA GRANITOID COMPLEX:
YANNERY GRANITE:
Maitland Intrusion
MADDINA FORMATION:
TUMBIANA FORMATION
HARDEY FORMATION:
MOUNT ROE BASALT:
Meentheena Member
Mingah Member
Coolajacka Member:
COOYA POOYA DOLERITE:
Monzogranite and granodiorite; locally foliated
c.
c.
2717 Mac.
10
20
20
45
144992
2054
2055
2056
2057
2154
2155
2156
2254
2255
2256
2257
2354
2355
2356
2357
2454
2455
2456
2457
2554
2555
2556
2557
YARRALOOLA
MARDIE
SHOLL
MONTEBELLO
PANNAWONICA
FORTESCUE
PRESTON
ELVIRE
DAMPIER
LEGENDRE
MILLSTREAM
ROEBOURNE SHERLOCK
COSSIGNY
HOOLEY
SATIRIST
YULE
THOUIN
DAMPIER ROEBOURNE
YARRALOOLA PYRAMID
SF 50-2 SF 50-3
SF 50-6 SF 50-7
COOYA POOYA MOUNT WOHLER
MOUNT BILLROTH
PINDERI HILLS
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
2 years.
2000 and moves easterly by about 0.1° in
TN
1:100Ý000 maps shown in black
1:250Ý000 maps shown in brown
SHEET INDEX
0.1 °
ANGLE 1 °
W.A.
N.T.
S.A.
N.S.W.
Vic.
Qld
Tas.
A.C.T.
A
C
D
E
B
c.
c.
c.
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
Reference points to align maps based on the previous datum, AGD84, have been placed near the map corners
DIAGRAMMATIC SECTIONS
Serpentinite; after peridotitePyroxenite; metamorphosed
Gabbro, and minor dolerite and leucogabbro; metamorphosed
INTERPRETED BEDROCK GEOLOGY
Granitoid dyke; monzogranite to quartz diorite; intrusive into
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d
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Ôw
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Ôc
Ôc
Ôs
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Óag
Óak
Óak
Ócb
Ócb
Óck
Óck
Órb
Órb
Órk
Órk
Órw
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dx
dx
Órf
Órf
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Ôcb
d
*
Óc
Óc
Munni Munni Intrusion
c.
d
2 km
SEA LEVEL
1 km
SEA LEVEL
1 km
2 km
EDCBA
KYLENA FORMATION:
Andesite, dacite, and minor basalt, rhyolite, and dolerite
Hornfelsed felsic volcanic and sedimentary rock
Lyre Creek Member:
massive or amygdaloidal basalt, basalticandesite, and dacite; local high-Mg basalt and rhyolite
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GEOLO
G IC A L SURVEY
WE
ST
E R N A U S T RA
LIA
GEOLOGICAL SURVEY OF
WESTERN AUSTRALIA
DAVID BLIGHT, DIRECTOR
DEPARTMENT OF MINERALS
AND ENERGY
L.C. RANFORD, DIRECTOR GENERAL
GOVERNMENT OF WESTERN AUSTRALIA
MINISTER FOR MINES
PRODUCT OF THE NATIONAL
GEOSCIENCE MAPPING ACCORD
HON. NORMAN MOORE, M.L.C.