120 100 120 60 80 120 120 140 100 120 120 60 80 80 100 120 60 40 120 140 100 80 100 80 60 120 140 160 180 140 120 160 180 200 100 100 100 80 60 40 40 20 120 140 160 200 100 120 140 160 180 20 40 60 80 100 80 60 40 60 40 20 40 80 60 80 100 120 140 160 80 60 40 20 100 100 120 80 60 40 20 140 120 140 160 180 200 220 260 300 80 80 300 80 100 120 120 160 180 200 240 160 180 200 220 240 260 240 180 160 140 120 100 100 80 100 120 120 60 80 100 100 100 60 40 80 100 120 140 160 180 200 220 240 260 280 300 220 180 160 180 340 320 280 220 200 200 140 100 80 80 100 160 100 120 140 120 120 140 140 120 140 160 180 200 200 220 300 280 260 240 220 160 180 200 220 80 80 60 100 100 100 120 140 100 80 100 80 120 120 140 140 160 160 180 180 200 180 200 240 260 280 220 260 300 280 260 300 280 260 220 240 120 140 160 180 200 220 160 100 120 140 160 180 200 220 260 280 300 300 320 320 300 320 320 320 300 280 260 240 220 200 180 160 200 220 240 260 280 300 300 300 280 260 220 200 320 340 340 340 320 340 320 280 260 280 320 240 240 60 180 160 140 60 100 100 100 200 SOUTHERN OCEAN PHILLIPS RIVER Twertatup Creek Panton Creek Creek RIVER Yarracarrup RIVER WEST HAMERSLEY RIVER HAMERSLEY INLET S O U T H E R N O C E A N Hicks Creek (PD) RIVER WEST RIVER Kybulup Creek PHILLIPS RIVER SOUTHERN OCEAN PHILLIPS RIVER Yarracarrup Creek HIGHWAY ROAD MOIR Mylies Beach West Beach Whale Bone Beach ANNIE PEAK landing ground G 74-7 Ravensthorpe 7 km OVERSHOT HILL NATURE RESERVE FLORA AND FAUNA RESERVE ROAD FLORA AND FAUNA RESERVE Cocanarup SOUTH COAST HIGHWAY SOUTH COAST OLD ONGERUP ROAD RIVER WEST ROAD AERODROME Cowerdup Wooganup Parwoonup Mainnerup Yarbudup Quagitup F I T Z G E R A L D R I V E R N A T I O N A L P A R K Cave Point Edwards Point Quoin Head E Y R E R A N G E R A N G E W H O O G A R U P MT DRUMMOND 309 m NEWDEGATE RAVENSTHORPE ROAD BREMER BAY 18 105 m ESA 8 270 m G 74-8 159 m HT 131 100 m HT 258 314 m HT 270 81 m NEWDEGATE 17 348 m NEWDEGATE 19 319 m NEWDEGATE 20 285 m NEWDEGATE 21 332 m 304 m NEWDEGATE 27 NEWDEGATE 71 306 m Fitzgerald 5 km Lake King 57 km Ravensthorpe 5 km FLORA AND FAUNA RESERVE FITZGERALD ROAD MOIR ROAD WEST RIVER ROAD EYRE RANGE Stevenson Creek Manyutup Annabell Creek Carracarrup P Kybulup Creek PHILLIPS Creek WEST Drummond S (PD) S Carlcatup P P Cocanarup S Cocanarup P Udarrup S Norndup S Kybulup P Whoogarup Fault Fault Hamersley Annie Peak Fault 4 4 3 5 5 5 5 4 4 4 3 3 3 3 3 3 2 2 2 2 2 2 2 2 3 ñgn ñgp ìB ñY ñY ñw ña ña ñA ññ ñw ìB ìB ìB ìB ×Pp ñgm ñw ìd ìd 38 36 ìä40 ìä60 ìä80 34 42 44 46 48 52 54 56 58 62 64 66 68 72 74 76 î32ôôôÜE ìä36ôôôÜN î40 î50 î60 38 36 34 42 44 46 48 52 54 56 58 62 64 66 68 72 74 76 î40 î50 î60 78 34 36 38 42 44 46 48 52 54 56 ìä50 58 62 64 66 68 72 ìä70 74 76 78 82 84 86 88 ìä40 ìä60 ìä80 38 42 44 46 48 52 54 56 ìä50 58 62 64 66 68 72 ìä70 74 76 78 82 84 86 88 ìä90 î70 î70 3 40 75 85 10 60 60 60 80 80 65 50 75 65 40 60 35 60 70 60 50 40 45 60 30 30 75 30 60 70 70 85 80 65 65 65 60 65 70 20 50 70 70 75 50 55 55 50 50 40 35 85 35 40 40 50 50 60 70 40 70 65 80 70 65 65 80 85 30 70 85 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 4 4 2 2 4 4 Z Z And Ol St Ol Ol Ol Ol Sil Di And, And, Grt Grt Grt Grt St, Ky, Grt Grt Grt Crd, Grt Grt Crd Mag Ath, Grt, Crd, And Ky Di And, Grt Sil Di And, Grt Di, Sil, Ath Sil Ol Sil, And And, Grt Grt Grt Grt, Crd Grt Grt Grt Grt Grt And, Grt, Crd Mag Grt And And Ol St Ol Ol Ol Ol Sil Di And, And, Grt Grt Grt Grt St, Ky, Grt Grt Grt Crd, Grt Grt Crd Mag Ath, Grt, Crd, And Ky Di And, Grt Sil Di And, Grt Di, Sil, Ath Sil Ol Sil, And And, Grt Grt Grt Grt, Crd Grt Grt Grt Grt Grt And, Grt, Crd Mag Grt And 70 80 70 30 80 70 80 65 20 30 10 70 80 40 45 70 70 35 35 35 20 15 45 60 80 80 50 70 75 45 35 50 50 50 50 50 40 60 60 70 45 70 70 70 60 60 60 60 55 55 50 65 65 60 70 80 80 70 70 70 70 60 60 70 50 50 40 70 70 70 70 60 60 80 60 60 65 70 70 45 45 80 75 60 40 30 30 30 50 50 65 80 80 60 65 35 70 60 70 35 50 70 50 70 25 25 50 50 60 70 70 70 30 80 35 60 20 10 70 70 70 70 70 70 50 65 60 75 65 65 65 80 80 70 70 70 40 50 50 50 60 70 70 70 70 70 70 70 70 85 80 75 75 25 65 65 65 60 60 60 70 70 70 65 70 70 40 45 80 60 60 70 70 70 75 70 70 60 75 55 45 50 60 60 65 30 30 70 25 15 60 60 80 65 65 70 25 25 75 40 40 10 65 50 70 70 70 Ósr Ôcg Ôcg Ôcg Ósr Ósr Ósr ñgni ñgni ñgni ñcl ñgn ñgn ñgn ñgn ñnb ñnb ñgni ñgni ñcl ñl ñur ñur ñur ñlqm ñlqm ñgn ñl ñl ñur ñl ñl ñuk ñuk ñuk ñur ñur ñAv ñl ñlqm ñlqm ñur ñur ñur ñAv ñld ñAvn ñAv ñld ñYt ñYt ñYt ñYtm ñYtm ñYtm ñYtm ñYt ñYt ñpf ñpf ñpf ñpf ñpf Ôa ñpf ñpf ñpf ìd ñAv ñYtm ñYtm ñAvn ñAvn ñAvn ñAvn ñAvn ñur ñYtm ñld ñgni ñur ñgni ñgn ñgm Ôcg Ósr ñgm Ôcg ñgn Ôcg Ôcg ñgn ñgn ñgn ñgn ñgn ñlg ñnb Ôcg Ôcg Ósr ñnb ñgn ñgn ñu ñgni ñnb ñur ñgn ñnp ñAvd Ôa q ñgni ñgn Ôcg Ôcg Ôcg Ósr ñgn ñgn Ósr ñgn ñnb ñnb ñgn q q Ôcg q q ñgn ñgn Ôcg Ôcg Ósr Ósr ñgn ñgn Ôcg Ósr Ósr ñAvn ñnp ñlg ñYt ñAvn ñAvn ñnl ñnp ñur Ósr ñYt ìd Ôcg ñYt Ôa ñYt ñYt q ñYt ñYt Ôa Ôa Ôa Ósr Ôcg Ôcg ìBy ìBy Ôcb ñYt Ósr ìBk Ósr Ósr ñYtm ñlg ñlg ñlg ñlg ñAvn Ôa ñnp ñAva ñAva ñu ñgn q Ôcb Ôcb Ôa ìBk ìBk ìBc Ôcb Ôcb Ôcb ìBc ìBk ìBk ìBk ìBk ìBc ìBc ìBy Ôa Ôcg Ósr ñgn Ôcg Ósr Ôcp Ósr Ósr ìBy? Ôcb Ôcb Ôcb Ôa ìBy ìBy Ósr ìBk ìBk ìBk ìBc ìBy ñgn ñgn Ôcp ìBy ìBk ñgn ñgn Ôcp ìBy ìBk Ôa Ôcb Ósr Ósr Ósr Ósr Ósr ìBy ìBy ìBy ìBy Ôcb Ôcb Ôcb ìBc ìBc ìBk ìBk ìBk ìBk ìBk ìBkc ìBk ìBkc Ósr Ôcp Ôcp ìBk ìBy Ôcp ìBy Ôcp Ôcb Ósr Ôcb Ôcb ìBk ìBk ìBk Ôa ìBy Ôcp ìBy ìBk ìBk ìBk Ôcb ìBk ìBk ìBk ìBc Ôcb Ôcb ìBy ìBy ìBy ìBy ìByd ìBc ìBc ìBk ìBy ìBy Ôcb Ôcb ìBk ìBk ìBc Ôcb Ôcb ìBk Ôcb ìBy ìBy ìBy ìBy ìBk ìBk ìBk Ôcb Ôa ìBk ìBk ìBk ìBy ñur ñl ñlg Ôar ìBk ìBsd Ósr ìBy ìBy? Ôa ìBc ìBk ìBc ìBy Ôcp ñgn Ôa ñgn Ôcg ñld ñgn Ôb Ôb Ôb Ôt Ôt Ôt Ôt Ôl Ôl Ôl Ôl Ôl Ôl Ôl Ôl Ôl Ôa ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ñpf ìBy ñnb ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìBk ìd ìd ìd ìd ìd ìd ? ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ìd ñYd Ôcp ìBk ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñgp ñAvd ñYa ñYa ñYd ñYd ñYd ñYd ñYd ñYx ìd ñlg Aba ñYa ñYa ìd ìd 60 40 60 70 75 75 Óz Óz Óz Óz Óz Óz Óp Óz Ói Ói Ói Óf Óf Ói Ól Ól Ól Óf Ók Óz Óz Ód Óp Óp Óp Óz Óz Óz Óz Óz Ói Óz Óf Ói Ós Óf Ós Ós Óc Ók Ói Ói Ói Ói Óf Óf Óf Óf Óf Óf Óf Ós Ói Óf Óf Ós Ós Ós Ós Ós Ós Ói ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ×Pp ñcl Cu (Zn) Last Venture Mn, Pb Gr Gr Sd Gr Gr Gr Gr Mt Eliza Ellen Tommy Cu Au Sd Gr Gr Gr Gr Gr Copper King Pb RAVENSTHORPE Zn Mn Hamersley Gorge Mn RAVENSTHORPE S O U T H W E S T M I N E R A L F I E L D P H I L L I P S R I V E R M I N E R A L F I E L D Mn Cu Mn, Pb Au, Cu, Zn Mt Eliza 80 70 20 45 70 70 80 65 3 4 5 60 2 2 2 2 4 3 4 3 2 4 3 2 2 3 4 3 GEOLOGICAL SURVEY OF WESTERN AUSTRALIA SHEET 2830 FIRST EDITION 1996 AUSTRALIA 1:100Ý000 GEOLOGICAL SERIES SHEET 2830 119¾30À 34¾00À 40À 50À 120¾00À 34¾00À 33¾30À 120¾00À 50À 40À 119¾30À 33¾30À 40À 50À 20 40À 50À 1:100Ý000 maps shown in black TN GN MN GRID CONVERGENCE 1.5¾ GRID/MAGNETIC ANGLE 0.3¾ Topography from the Department of Land Administration Sheet SI 50-8, 2830, with modifications from geological field survey This map is also available in digital form A D C B E East Perth, WA, 6004. Phone (09) 222 3459, Fax (09) 222 3444 Mining Information Centre, Department of Minerals and Energy, 100 Plain Street, Ravensthorpe Terrane West sector; mainly metasedimentary rocks SIMPLIFIED GEOLOGY DIAGRAMMATIC SECTIONS Cocanarup greenstones Aerodrome sector; mainly metasedimentary and ultramafic rocks Coastal deposits Inland deposits Ravensthorpe Terrane YILGARN CRATON ALBANY_FRASER OROGEN BREMER BASIN YILGARN CRATON SHEET INDEX BREMER BASIN Cocanarup greenstones The recommended reference for this map is: WITT, W. K., 1996, Cocanarup, Edited by D. Ferdinando, J. Mikucki, C. Strong, S. Willis, and G. Loan ALBANY_FRASER OROGEN Manyutup Tonalite The original thrusts dipped to the west on section A_B_C Relative displacement along fault.......................... Cartography by K. Greenberg, S. Collopy, and M. Prause PHANEROZOIC CAINOZOIC Ôar Ôcb Ôcg ×Pp ìd ñgn ñgni Ôb Ôt q ñpf ñgn ñlg ñnp ñAvn ñYtm ñYt ñAvn ñYtm ñYt ×Pp ×Pp ìBy ìBy ìBy ìBc ìBk ìBc ñYt ìd ìd ìd ìd ìBy Ôa Ôl Ôcp Ósr ìBc ñY ñYt ñYd ñYx ñl ñld ñlg ñlqm ñnp ñcl ñA ñAv ñAva ñAvd ñAvn ñnb ñuk ñur ñu ×Pp ìB ñgp ñgm ñA ñY ña Aw ñgn ìBk ìBy ìByd ìBsd ñgp ñgm ñYa ñYtm ìBk ñnl Aba Quartz vein Ôa Ôcp Ôcb Ôcg Ôb Ôt Qld. Ôar Ôl KUNDIP QUARTZITE: Quartz-feldspar-biotite-sillimanite schist with andalusite porphyroblasts Quartz-K-feldspar-sillimanite gneiss and granoblastic quartz-clinopyroxene-amphibole-(K-feldspar) rock Quartz-feldspar(-amphibole-biotite) gneiss; fine-grained; metamorphosed dacite Quartz-plagioclase-amphibole gneiss; fine- to medium-grained; derived from ÔUATERNARY Ósr ñgn ñgni ñl ñld ñlg ñlqm ñnp ñnl ñYt ñY ñA ñAv ñAvd ñAvn ñAva ñuk ñur ñu ñYa ñYd ñYx ñYtm Aba ñnb Ós Ói Ól Óf Ók Óz Ód Óp Óc Ós Ói Ól Óf Ók Óz Ód Óp Óc ìBkc Printed by Allwest Print, Western Australia Alluvium_clay, silt, sand, and gravel in channels Albany_Fraser Orogeny Albany_Fraser Orogeny (Mount Barren Group only) Annabelle Volcanics Western Australia 1996 Published by the Geological Survey of Western Australia. Copies available from the W.A. Sheet 2830: Western Australia Geological Survey, 1:100Ý000 Geological Series BREMER BAY ñAv TERTIARY PROTEROZOIC Geological boundary Fault Bedding, showing strike and dip 75 Igneous layering/lamination, showing strike and dip Minor fold, showing trend, direction of plunge, and dip of axial plane Way-up indicator Metamorphic foliation, showing strike and dip Cleavage, showing strike and dip Mineral lineation, showing trend and plunge direction Intersection lineation, showing trend and plunge direction Airphoto lineament exposed........................................................................................................... exposed.......................................................................................................... thrust, triangles placed on upper plate....................................................... concealed....................................................................................................... post-Dç fold.............................................................................................. Dç fold...................................................................................................... DÛ fold...................................................................................................... anticline, commonly isoclinal; plunge unknown......................................... syncline, commonly isoclinal........................................................................ minor isoclinal fold with vergence to left.................................................... anticline, open to tight.................................................................................. overturned anticline....................................................................................... overturned syncline....................................................................................... inclined............................................................................................................ vertical............................................................................................................. vertical............................................................................................................. dip indeterminate........................................................................................... igneous layering or differentiation trend..................................................... sedimentary structure................................................................................... inclined........................................................................................................... vertical............................................................................................................. dip indeterminate........................................................................................... inclined............................................................................................................ vertical............................................................................................................. horizontal......................................................................................................... on foliation plane............................................................................................ on bedding plane........................................................................................... on cleavage plane.......................................................................................... Igneous lineation, horizontal................................................................................ inclined............................................................................................................ foliation, bedding, or layering trend............................................................. Stromatolite locality............................................................................................... Highway with national route marker.................................................................... Formed road........................................................................................................... Track......................................................................................................................... Building.................................................................................................................... Locality.................................................................................................................... National park boundary......................................................................................... Reserve boundary.................................................................................................. Horizontal control, minor....................................................................................... Breakaway............................................................................................................... Contour line, 20 metre interval............................................................................. Watercourse, ephemeral; pool.............................................................................. Spring; swamp....................................................................................................... Dam......................................................................................................................... Position doubtful.................................................................................................... Rock, exposed........................................................................................................ Mineral field boundary........................................................................................... Mining centre.......................................................................................................... Mine (gold, unless otherwise indicated).............................................................. Opencut................................................................................................................... Quarry or pit........................................................................................................... Prospect.................................................................................................................. Battery or treatment plant, abandoned................................................................ Mineral occurrence................................................................................................ Copper.............................................................................................................. Gold.................................................................................................................. Gravel............................................................................................................... Lead.................................................................................................................. Manganese....................................................................................................... Sand (building)................................................................................................ Zinc................................................................................................................... Metamorphic mineral occurrence......................................................................... Andalusite......................................................................................................... Anthophyllite..................................................................................................... Cordierite.......................................................................................................... Diopside............................................................................................................ Garnet............................................................................................................... Kyanite.............................................................................................................. Magnetite.......................................................................................................... Olivine............................................................................................................... Sillimanite......................................................................................................... Staurolite.......................................................................................................... 60 70 70 20 80 40 ARCHAEAN ¦ Sand with limonitic pisoliths and gravel Calcrete PALLINUP SILTSTONE: Metasedimentary rock, undivided; deeply weathered Plantagenet Group SEA LEVEL 2 km 4 km SEA LEVEL 2 km 4 km W.A. N.T. S.A. N.S.W. Vic. Tas. A.C.T. 1:250Ý000 maps shown in brown True north, grid north and magnetic north are shown diagrammatically for the centre of the map. Magnetic north is correct for 1995 and moves easterly by about 0.1¾ in 3 years 2628 2629 2630 2631 2728 2729 2730 2731 2829 2830 2831 2930 2931 3030 3031 3130 3131 CHEYNE PALLINUP JERRAMUNGUP BURNGUP BREMER JACUP NEWDEGATE COCANARUP KING RAVENSTHORPE MOOLYALL OLDFIELD NORTHOVER LORT NEWDEGATE RAVENSTHORPE INVESTIGATOR ISLAND SI 50-8 SI 50-12 SI 51-5 SI 51-9 HOOD POINT CAPE KNOB STOKES INLET 2929 WEST ISLAND 3029 INVESTIGATOR white to yellow to brown siltstone, silty sandstone, and spongolite; mainly deeply weathered Beach sand_quartz and calcareous sand on beaches and in unstable dunes Consolidated coastal deposits_calcarenite, locally shelly; forms consolidated dunes and foreshore reefs; equivalent to TAMALA LIMESTONE Reworked Cainozoic deposits_clay, silt, and sand in broad floodplains of mature drainage Lacustrine deposits_clay and silt in claypans and swamps Colluvium_rubble of boulders and sand derived from MOUNT BARREN GROUP; minor outcrops of MOUNT BARREN GROUP Colluvium_rubble of boulders and sand derived from granitoid rock and granitoid gneiss; minor outcrops of granitoid rock Colluvium_scree and sand derived from PALLINUP SILTSTONE Dune deposits_quartz sand and gypsum in stabilized dunes adjacent to playa lakes Playa deposits_saline and gypsiferous evaporites interbedded with clay, silt, and sand in playa lakes Colluvium_clay, silt, and rock fragments derived from greenstones Sandplain deposits_unconsolidated sand; remnants of peneplain Lateritic deposits_laterite, ferruginous duricrust, and ferricrete Ferruginous deposits_undifferentiated; mainly ferruginous quartz sand and granules, and angular rock fragments with ferruginous cement Silcrete_angular quartz grains in siliceous cement; mainly developed over granitoid rock dolerite and quartz dolerite, metamorphosed, and mafic to ultramafic schist pelitic schist and phyllite with minor psammitic layers Dolomite; metamorphosed; massive to finely bedded; locally ?stromatolitic; with calc-silicate rock and calcareous schist quartzite, massive to coarsely bedded; minor pelitic beds Dolomite; metamorphosed; massive to finely bedded; locally ?stromatolitic Dolerite dyke, partly interpreted from aerial photography; interpreted from aeromagnetic data where dashed Feldspar(-quartz) porphyry dyke Biotite monzogranite and granodiorite; massive and weakly recrystallized Pegmatite, granitic to tonalitic Gneissic granitoid rock; includes trondhjemite, tonalite, granodiorite, and syenogranite Gneissic granitoid rock, mesocratic to leucocratic with some mafic bands Limonitic unit (?after metamorphosed sulfides); massive to bedded Garnetiferous quartz-plagioclase-biotite schist; local cordierite, andalusite, and sillimanite Micaceous quartzite and quartz-mica schist; local sillimanite, andalusite, and garnet Banded quartz-amphibole-plagioclase rock; local garnet; para-amphibolite Mafic gneiss; fine- to medium-grained, banded plagioclase-hornblende(-quartz) rock Amphibolite; fine- to medium-grained Ultramafic rock, undivided; includes metamorphic talc-forsterite rock Komatiite; metamorphosed; chlorite-tremolite rock and schist Tremolite-rich rock and schist; local pseudomorphs after metamorphic olivine tonalitic complex; metamorphosed (Simplified Geology map and section only) Tonalite and quartz diorite; massive, coarse-grained and equigranular; metamorphosed Tonalite, diorite, and tonalite porphyry; massive, medium-grained, and equigranular to porphyritic; metamorphosed Amphibolite; metamorphosed dolerite Dolerite; metamorphosed Pyroxenite; metamorphosed calc-alkaline volcanic association; metamorphosed (Simplified Geology map and section only) Mafic to intermediate tuff and agglomerate, and related epiclastic rocks (mainly andesite), subordinate dacite; metamorphosed Cordierite-gedrite rock; coarse-grained ; local minor metasedimentary layer Sandplain, undulating; reworked Ós 70 35 COWERDUP SILL: MANYUTUP TONALITE: ANNABELLE VOLCANICS: 0 5 10 15 20 Kilometres SCALE 1:Ý500Ý000 Mount Barren Group Monzogranite Fold Gneissic granitoid rock Pegmatite Mount Barren Group KYBULUP SCHIST: STEERE FORMATION: Geology by W. K. Witt 1994 Oligomictic conglomerate; metamorphosed; quartzite clasts in psammitic matrix; massive to coarsely bedded deformation events in the Cocanarup greenstones Fault thrust.................................................................................................... post-Dç.......................................................................................... Dç................................................................................................... DÛ................................................................................................... Dë................................................................................................... Dé................................................................................................... Dç................................................................................................... anticline............................................................................................... syncline................................................................................................ overturned anticline, showing dip of axial surface and plunge.... overturned syncline, showing dip of axial surface and plunge..... Pallinup Siltstone of Plantagenet Group Grid lines indicate 1000 metre interval of the Australian Map Grid Zone 50 0 1 2 3 4 5 6 7 8 9 10 Kilometres Metres 1000 SCALE 1:100Ý000 TRANSVERSE MERCATOR PROJECTION DEPARTMENT OF MINERALS AND ENERGY K.R. PERRY, DIRECTOR GENERAL G E O L O G I CA L S U R V E Y W E S T E R N A U S T R A L I A PIETRO GUJ DIRECTOR, GEOLOGICAL SURVEY OF WESTERN AUSTRALIA GOVERNMENT OF WESTERN AUSTRALIA HON. KEVIN MINSON, M.L.A. MINISTER FOR MINES B A C D E