Northampton 47 km 114°30À 35À 40À 114°45À 56 57 58 59 ä60 6162 63 64 65 66 67 68 69ä70 71 72 73 74 75 76 77 78 79 ä80 28°45À 10 6590 100 28°45À M´ 10 Boyd Street 17 10 Mµ âc MoC 10 âc MoA¤ GeA¤ Brook Moresby CUTUBURY NATURE Una 1Ý:Ý50Ý000 REGOLITH_LANDFORM RESOURCES SERIES 10 RESERVE ged to 10 m 6680 dred MoC§ 80 90 NARRATARRA

M° 10 D Jc 17 10 CHAMPION M´ MoC§ âc GeA¶ GeA¶ GEOLOGICAL SURVEY OF WESTERN AUSTRALIA

MoC ROAD 50 70 10 GaA¶ âc Champion Bay

5 10 MoRz SHEET 1840Ý-ݱ±± FIRST EDITION 2000 Outer Knoll SpE CHAPMAN MoA¤ 60 60 16 10 5 GeA¤ 5 10 40 90 6591

5 Beach MOONYOONOOKA SYMBOLS 5 MoC

5 Inner Knoll 5 30 10 BAY SIMPLIFIED LAND SYSTEMS, SHADED RELIEF, 5 MoRf² 5 5 AP 2 Bore SpE 16 INFRASTRUCTURE, AND DRAINAGE 5 ìmNO âc MoRf²

5 Woorree Park Bore 6592 Geological boundary Horizontal control, major...... Ge The Regolith-Landform Resources map provides information on

35 5 52

5 the regolith (soils) and 5 underlying rocks, on the

5 RIVER landforms (landscape),

SHIRE OF GREENOUGH 5 WR 1 Bore WT 1 Bore GaA¤ 37 ìmNO exposed...... Sand dune...... Mo 5 5 topography, infrastructure, and on the mineral and construction material 5 M´ 5 M§ WT 2 Bore âc GERALDTON Sp GaA¢ GILES 10 GaA¢ 15 5 Fault or shear Swale line...... M§ resources of Geraldton. This map will be of value in landuse planning, WR 3 Bore 30 the sustainable development of resources, and in identifying natural

10 WR 2 Bore WO 1 Bore Mµ 6593 GaA¢ âc exposed...... Contour, height in metres...... 20 hazards, both onshore and in shallow nearshore areas. Qu 5 TOWN TOWERS normal, tick on downthrown side...... Four Fathom Bank Mµ Town Beach 36 m GaA¶ GERALDTON M² âc 100 15 M´ The map also delineates land systems, which are areas of discrete 25 10 AIRPORT Pages Beach M§ QuB´ GS2A Bore Bedding, showing strike and dip Watercourse...... recurring patterns of landform, regolith, materials, and vegetation. These UR 1 Bore GaA¶ 6596 MOUNT SCOTT 14 patterns are related to geological and hydrogeological units, and form the UR 2 Bore 10 Mµ ROAD MoC inclined...... Bathymetric contour, depth in metres...... basis of identifying landuse including mineral resource potential. Point M´ HILL Sp Ga Mo 14 K Gneissic banding, showing strike and dip Lake...... ROAD Mullewa 83 km 37 drain M° GERALD âc âc inclined...... Drain...... TON GS4 Bore SpE ìmNO 20 GERALDTON Alexander Park 2 Bore GS3 Bore ãk 6598 Utakarra Repeater âc Fracture or jointing, showing strike and dip Bore or well...... MOUNT 30 90 14 15 Station 80 30 QuE1¢ MAGNET 6599 vertical...... Dam, tank...... M§ Mµ M° M² M¹ M´ Moonyoonooka 70 10 Mµ M´ Moore Greys Beach 14 Lighthouse...... M§ 5 Point Moore Reclamation 60 Pirone's Sand Supplies M¹ 13 ROAD Highway with national route marker...... Wharf, jetty or pier...... I N D I A N Mµ Marine shore face Geraldton SpE 6600 M° Marine nearshore Formed road; bridge...... Wave pattern denotes permanent water...... Airport 50 M² Marine offshore ãk M² Sp

Separation Point WP 1 Bore EDWARD Track...... M¹ Marine channel 5 QuE1£ Geraldton Racecourse Bore âc 13 Narngulu 5 QuE2 Railway, with siding...... Petroleum exploration well M´ Marine reef M´ Reefs 30 ãk 6602 QuB£ 40 30 SpEk ROAD Fence, generally with track...... stratigraphic...... St Qu Quindalup System_beach and dunefields Black Beach CITY OF GERALDTON MoC§ 12 NARNGULU Reserve boundary...... Made ground or quarry...... PORT GREY HP 1 Bore 6603 Ga Greenough Alluvium System_alluvial plain 10 Local government area boundary...... O C E A N Mµ Mµ Ge Greenough System_alluvial terraces and channels M´ Townsite, Mineral and rock commodities BRAND E 12 Ga 6604 F Sp Spearwood System_deflated dunes 6605 SpEk GaA¢ population more than 10Ý000...... GERALDTON Clay...... Cy Sp GOULDS SpE ARTHUR less than 1Ý000...... Greenough Limesand...... 10 Meru Meru Lsd Greenough Mo Moresby System_plateau and footslopes underlain 11 Locality...... Bootenal Gravel...... Gvl by Jurassic rocks 5 ROAD MOONYOONOOKA Yard HIGHWAY Building, yard...... Limestone...... Lst GDP3 Bore MoC§ M°

DEEPDALE Microwave repeater station...... Sand...... Sv 10 M° 11 20 Tarcoola Beach MoA¤ 10 SCALE 1:Ý250Ý000 5 ROAD 10 MOUNT TARCOOLA M´ 0 510 20 5 M² J ROAD Kilometres ìð10 Narngulu Repeater BRICE 10 10 Station GS7 Bore Narngulu

20 5 10 10 ìð10

20

5 40 SpEk 09 5 QuB´ SpEk 50

ROAD 10 10 drain 10 Narngulu Heavy Mineral Sand B A C K LEGEND 10 6606 Processing Plant 6607 09

I N D I A N 6608 GS6 Bore 1 2 MARINE_42,500 ha 63% 50 MoC§

5 6609 Offshore level seabed, 5 Midwest Sand Supplies and nearshore level to gently inclined seabed, with low, submerged rocky ridges or reefs. Inshore rock 40 60 Southgate H

M° Southgate drain platforms (1) and gently inclined shore face. Erosion and deposition by marine tides, currents, and wave action. Small areas of REFERENCE 08 5 30 50À 20 30 ROAD 50À man-made reclamation in urban areas at the coast (2). Dominantly shell and quartz sand formed by biogenic processes, 10 reworking of fluvially sourced material from weathered hinterland rocks, or by erosion of reefs. Reefs or rock flats composed Phanerozoic GULLY Marine predominantly of eolian calcarenite. Currently active system that includes undivided older reefs probably of the Spearwood Age 20 Cainozoic Mesozoic System. Primarily used for shipping, fishing 20 industry, and recreation. Possible source of sand or limestone for construction, 10 08 Proterozoic Description 5 SpC§ SpEk beach rebuilding, and reclamation. Shallow reefs are a hazard to shipping. Rapid deposition and erosion of coastal deposits 20 ED can also occur during storms. Land System HolocenePleistocene undivided Jurassic Triassic W A M´ 6613 RD 07 5 QuE1£ M§ Marine. Man-made fill or reclamation; rock rubble and earth fill

10 SpE Photograph 2 reproduced with permission of the Geraldton Port Authority M§ M¹ M´ 5 Mµ Marine. Shore face; shell and quartz sand; minor rock platform Southgate Dunes RUDDS No 313 Well SpEº

3 4 QUINDALUP SYSTEM_4500 ha 6% (Safety Bay Sand) M° Marine. Nearshore sand plain and sandy hollows; shell and quartz sand; minor rock ridges 5 Mµ and flats 20 30 No 320 Bore 07 Mostly gently to moderately inclined dunes, occasionally very steep. Eolian processes dominant, with wave action important for Reef SpC§ 20 erosion and deposition in the narrow coastal zone. Dunes and swales formed by southerly winds and eroded by coastal M² Marine. Offshore sand plain; shell and quartz sand

10 5 M¹ 5 No 319 Well SpEk SpE processes to form a westerly facing shoreline. Actively eroding to form blowouts in areas of vegetation loss (3). Includes older M° Marine. Channel; relict erosional fluvial channel No 318 Well SpE deflated dunefields composed of weakly lithified calcarenite (4). Small swampy swales contain waterlogged organic soil. M´ Marine. Reef or rock flat; undivided eolian calcarenite, biogenic reef, and beach rock 5 SpEk Currently active system that overlies the Greenough Alluvium and Spearwood Systems. Landuses include urban and industrial 06 20 No 312 Well F L A T S Qu 15 6614 development, and recreation. Crop cultivation and grazing on the older dunes. Source of limesand, limestone, and sand for M² St G GaAº construction and beach restoration. Used as fill for reclamation. Migrating sand from blowouts is a minor hazard. No 310 OPWN Pit Bore Greenough 1 10 5 M´ QuE1¢ QuB£ Coastal. Beach; includes foredune; marine shell and quartz sand; eolian in part Rudds Gully 06 Quindalup ( Qu ) QuB£ QuE3 JANDANOL QuB´ Coastal. Beach ridge plain; eolian shell and quartz sand 6615 Bootenal 20 Cape Burney QuE1¢ Eolian. Parabolic dunefield; eolian shell and quartz sand No 324 Bore QuB´ QuE1£ Eolian. Blowout; actively eroding eolian shell and quartz sand ROAD GREENOUGH ALLUVIUM SYSTEM_9400 ha 14% 05 5 4338 5 6 QuE1º Eolian. Swampy swale; waterloged organic soil over eolian shell and quartz sand 20 RO Geraldton Brick A Level plain with locally steep to cliffed terrace slopes (5). Formed by fluvial deposition from the Greenough and Chapman rivers No 322 Well D QuE1¢ QuE2 Eolian. Older dunefield; eolian shell and quartz sand M¹ GS Allanooka No 3 Bore on flood plains between the dunes and inland escarpment. Dominantly red silty sandy clay over sandy gravel (6), interbedded in QuE3 places with residual sand and calcarenite of the Spearwood System. Rare swamps Eolian. Deflated older dunefield; weakly lithified eolian shell and quartz sand No 323 Well GaA¤ 50 with waterlogged organic soil. Overlain by 05 the Quindalup System to the west. Interbedded with the Spearwood System. Lateral equivalent of the Greenough System, and Greenough Reef 40 QuE1£ 5 Mµ Ga partially sourced from the Moresby System to the north and east. Dominantly used for agriculture and horticulture, with some 10 40 urban and industrial development. Almost all native vegetation Cape Burney has been cleared, except in river channels and poorly drained 6617 areas. Major flooding hazard in level, poorly drained areas, with severe erosion of stream channels also possible. QuE1º 25 30 04 20 GaA¢ QuE2 20 No 311 Well QuE2

10 6618 QuE1¢ QuE1£ 20 04 30 10 7 8 GREENOUGH SYSTEM_400 ha 1% QuE3 10 SpEk Level to very gently inclined terrace (7) with locally steep to cliffed terrace scarps. Formed by fluvial deposition of silty sandy clay (8) from the Chapman River on flood plains and in valleys between the adjacent escarpments. Lateral equivalent of the GaA¤ Alluvial. Stream channel; includes bed and banks; seasonally water-filled; silty sandy clay 03 Mµ Greenough Alluvium GaA¤ GaA¶ QuE1º Greenough Alluvium System downstream to the southwest, and derived from the surrounding Moresby System. Dominantly used GaAº Alluvial. Swamp; waterlogged organic soil over silty sandy clay KENNEDY for agriculture, with no urban or industrial development. Much of the native vegetation has been ( Ga ) cleared, except in river GaA¶ Alluvial. Terrace; silty sandy clay

6619 SpE channels. Heavy rainfall can cause local flooding in level, poorly drained areas, and severe channel erosion in the river and 10 Ge GaAº GaA¢ SOUTH A DEVLIN GaA¢ Alluvial. Alluvial plain; silty sandy clay over sandy gravel 10 58 m streams. 35 SpEk 03 M² M´ QuE3 6681 No 314 Bore GeA¤ Alluvial. Stream channel; includes bed and banks; usually water-filled; silty sandy clay ROAD Greenough ( Ge ) GeA¤ GeA¶ GeA¶ Alluvial. Terrace; silty sandy clay

POOL 02 No 316 Bore SpE SpEk SpEº Eolian. Swampy swale; waterlogged organic soil over residual quartz sand QuE2 Spearwood ( Sp ) SpEº SpE SpC§ SPEARWOOD SYSTEM_8000 Ha 12% (Tamala Limestone) SpE Eolian. Deflated dunes of residual quartz sand over calcarenite; low sandy rise in alluvial plain 9 10 SpEk ROAD Eolian. Calcareous eolianite; calcrete above lithified eolian shell and quartz sand 50 Mostly level to gently inclined dunes, with rare steep to precipitous rocky slopes (9). Dominantly eolian deflated 02 dunes and SpEk SpEk SpE ROAD swales formed by southerly winds and eroded by coastal processes to form a westerly facing scarp. Rare marine facies of SpC§ Colluvial. Footslope colluvium; decomposed eolian shell and quartz sand M´ GREENOUGH SpEk biogenic reef near the coast. Forms low sandy rises in the Greenough Alluvium System. Originally calcareous dune sand, now weathered by surface leaching and groundwater precipitation to form yellow (10) and red residual quartz sand over a white to MoA¤ Alluvial. Stream channel; includes bed and banks; seasonally active; slope deposits, silty sandy Mµ Sp light brown calcrete surface to the underlying calcarenite (limestone). Swampy swales contain waterlogged organic soil. Moresby ( Mo ) MoA¤ MoC ây ãk ìmNO 01 SpEk clay, and weathered bedrock No 3315 Bore Calcareous slopewash colluvium on the westerly facing footslopes to the scarp is derived from weathered calcarenite. MoC Colluvial. Undivided slopes; silty sand over mottled sandy clay Component of the reefs in offshore areas. Overlain by the Quindalup System to the west. Overlies the Moresby System on the Bootenal PHELPS MoC§ âd MoC§ Colluvial. Footslopes; silty sand over mottled sandy clay hills to the north and east. Interbedded with the Greenough Alluvium System. Source of construction limestone, building QuE2 Spring sand, MoC¶ C and fill for reclamation. Extensively cleared for cropping and grazing. Areas underlain by limestone are often uncleared. Also Colluvial. Talus slope to escarpment; weathered rock debris; gravel and boulders 50 01 GaA¢ used for urban and industrial development. Minor hazard on rocky slopes. MoC¶ âc MoRz Residual. Quartz sand over weathered duricrust and mottled soil ROAD MoRf² Residual. Ferruginous pisolitic duricrust over mottled soil (weathered bedrock) 20 SpEk ây MORESBY SYSTEM_2800 ha 4% MoRz YARRAGADEE FORMATION: sandstone, siltstone, and claystone with minor conglomerate and ìð00 SpC§ GEORGINA 60 11 12 coal (subsurface only) 50 Very gently inclined hillcrests above locally steep to very steep scarps. Moderate to steeply inclined sideslopes and level to âd CADDA FORMATION: shale, siltstone, and sandstone with shelly sandy limestone (subsurface only) gently inclined footslopes (11). Residual quartz sand and ferruginous duricrust over mottled soil (weathered rock) on hillcrests QuE1£ 50 MoRf² âc CATTAMARRA COAL MEASURES: thinly bedded sandstone, gravelly sandstone, and laminated (12). Mass wasting deposits ranging from proximal weathered rock debris, gravel, M´ 6620 and boulders, to distal silty sand over mottled siltstone; carbonaceous in parts sandy clay. Seasonally active fluvial deposition of silty sandy clay on sideslopes and footslopes. Hillcrests and plateaus, locally 40 ìð00 ãk QuE2 Mo above a scarp exposing weathered Jurassic sedimentary rocks. Minor exposures of KOCKATEA SHALE: laminated siltstone and shale with minor sandstone 60 Triassic strata and Proterozoic basement 40 rocks on hillslopes. Overlain locally by the Spearwood System. Source of material for the Greenough and Greenough Alluvium ìmNO Northampton Complex: granulite and metamorphosed granite QuE2 GaA¢ G R E E N O U G H systems to the southwest. Mostly cleared for cropping and grazing, but the steeper sideslopes and some gravelly flat tops are GS8 Bore only partially cleared of native vegetation. Source of gravel for road building. Heavy rainfall can cause severe channel erosion 99 O C E A N QuE1¢ 6621 BRA in the streams, and landslides on the steeper slopes. N D 55À SpEk 55À 20 99

20 60 SpEk RIVER SpE GaA¢ 50 98 40 POTENTIAL CONSTRUCTION AND INDUSTRIAL MINERAL RESOURCES LANDSAT TM IMAGE WITH FIELD SITE LOCATIONS INTERPRETED ONSHORE BEDROCK GEOLOGY 98 ìmNO MUSEUM Ferruginous gravel_ MoRf², MoRz D 69 m No 1 Well SpEk 50 Cemented ferruginous pisolitic duricrust cappings on low hills and escarpments, âc H locally concealed by residual quartz sand. Potential source of aggregate for road 97 IG H SpE W 50 construction. K 40 AY GaA¤ Geraldton SpE, SpEº 97 Red and yellow sand_ ãk Flour Mill Well M´ Quartz-rich eolian sand formed as a weathered residuum over limestone. E F

F L A T S 3 Potential source of sand for building platforms and construction. 50 0 96 Greenough ây J Greenough Store Well QuE2, QuE3, SpEk, SpC§, M´ ROAD Limestone_

15 Calcrete and calcarenite (limestone) formed by weathering of carbonate-rich sand H A B 96 dunes. Rock strength varies from moderately weak to very strong, and may be âc QuB£ excavated as aggregate or boulders. Overlain by variable thickness of yellow and Little African Reef Convent Well red sand. Limestone may be used for road base, large-scale fill, harbour I N D I A N The Convict Bridge I N D I A N installations, and sand for building. G 95 5 15 10 MACARTNEY GaA¢ Limesand_ QuB£, QuB´, QuE1¢, QuE1£, Mµ, M°, M¹ COMPANY M´ 95 Dongara 39 km Mostly unlithified shell-rich sand of eolian and marine origin, with calcium carbonate contents up to 94%. May be suitable for agricultural applications. 15 M° SpE C Sand, gravel and clay_ GaA¤, GeA¤, GaA¶, GeA¶, GaA¢ Fault 94 SpEk ROAD O C E A N Fluvial sediments ranging from silty clay to sandy gravel. Potential source of O C E A N 15 aggregate-quality sand and gravel for building and fill. Includes clay suitable for brick-making 15 94 QuE1¢ QuE1º, MoA¤, MoC, MoC§, MoC¶, M², M¹

Hampton Arms 1 Mostly colluvial sand, gravel, and clay, with some weathered rock or offshore A B 93 African 15 Mµ St deep water sand plain QuE1£

93 SCALE 1:Ý250Ý000 M² 20 Reef 15 0 5 10

M´ QuE1£ Kilometres 15 92 25 15 Date of imagery: 23 August 1992 1 15 5 30 20 92

M´ M² 20

35 15 TN SHEET INDEX 91 SNAPPER BANK HOWATHARRA NANSON ERADU INDARRA 20 GN HUMMOCK ISLAND GERALDTON INDARRA MN ±² ±² ± ±² ± 20 91 N.T. HUMMOCK ISLAND GERALDTON WALKAWAY MUNGARRA WONGOONDY 1740 1840 1940 40

GRID / MAGNETIC Qld ±±± ±±± ±± ±±± ±± 20 ANGLE 2.3¾

ìî90ôôôÜN W.A. I N D I A N BOOKARA YARDARINO MINGENEW 20 GERALDTON MINERAL OCCURRENCES DONGARA MINGENEW GRID S.A. ± ±² ± NUMBER* COMMODITY EASTING NORTHING CONVERGENCE ìî90 1.1¾ O C E A N 29°00À 29°00À DONGARA MOUNT LEFROY YUWARANA ä60 64 65 67 68 69 ä70 71 72 73 74 75 76 77 N.S.W. ä57ôôôÜE 58 59 61 62 63 66 78 79 ä80 INDUSTRIAL MINERAL_Cy, Lsd 1839 1939 114°30À 35À 40À 114°45À Sedimentary_undivided A.C.T. ±± ±±± ±± 4338 Cy 278400 6805480 Vic. 6608Lsd 268920 6808555 1:50Ý000 maps shown in black 1:100Ý000 maps shown in green CONSTRUCTION MATERIAL_Gvl, Lst, Sv Tas. BLOCK DIAGRAMS Undivided 6590 Sv 269300 6817360 True north, grid north and magnetic north 6591 Gvl 278420 6816390 are shown diagrammatically for the centre of the map. Magnetic north is correct for G IC A L S 6592Gvl 279100 6815755 O U R L V O E

E 6593Sv 275150 6815120 2000 and moves easterly by about 0.1^ in Y BRAND HIGHWAY Geraldton Airport GERALDTON_MOUNT MAGNET ROAD GERALDTON_MOUNT MAGNET ROAD G 2 years. W GS6 Bore GS7 Bore 6596 Gvl 280270 6814820 A E Greenough 1 I S L T A St 6598 Gvl 280290 6814010 E R CHAPMAN RIVER R N A U S T GREENOUGH RIVER Greenough CHAPMAN RIVER Moonyoonooka Narngulu Geraldton Airport Moonyoonooka 6599 Gvl 279765 6813830 6600Sv 280320 6813580 6602 Gvl 280265 6812890 DEPARTMENT OF MINERALS GOVERNMENT OF WESTERN AUSTRALIA GEOLOGICAL SURVEY OF AND ENERGY HON. NORMAN MOORE, M.L.C. WESTERN AUSTRALIA D 6603Sv 279560 6812470 6604Sv 279910 6811950 L. C. RANFORD, DIRECTOR GENERAL MINISTER FOR MINES DAVID BLIGHT, DIRECTOR F 6605Sv 272090 6811600 K 6605Lst 272090 6811600 SCALE 1:50Ý000 C SEA LEVEL 6606 Sv 271000 6808730 âc 1000 500 0 1 234 5 A SEA LEVEL SpE MoC§ 6606 Lst 271000 6808730 Geology by R. L. Langford 1998Ê99 SEA LEVEL âc SpEk J ãk 6607 Lst 275080 6808810 Edited by D. Ferdinando and G. Loan Metres UNIVERSAL TRANSVERSE MERCATOR PROJECTION Kilometres SpE SEA LEVEL H 6609 Sv 274620 6808590 M° QuE1¢ SEA LEVEL Ga Cartography by S. Collopy, J. Kirk, and B. Williams HORIZONTAL DATUM: GEOCENTRIC DATUM OF AUSTRALIA 1994 Sp âc 6613 Sv 269860 6807300 E VERTICAL DATUM: AUSTRALIAN HEIGHT DATUM SpE MoC GaA¢ G 6614 Gvl 271220 6806070 Topography from the Department of Land Administration Sheet SH 50-1, 1840, SEA LEVEL Ga âd with modifications from geological field survey BATHYMETRIC DATUM: LOWEST LOW SEA LEVEL SpEk Ga ây 6615 Sv 273830 6805770 SpEk B ìmNO 500 m 6617Lst 271915 6804535 Landsat Imagery supplied by Remote Sensing Services, Department of Land Grid lines indicate 1000 metre interval of the Map Grid Australia Zone 50 GaA¢ SpC§ 100 m Ga SpEk âc ìmNO 6618 Lst 274750 6804170 Administration 100 m ìmNO ãk âc ãk The Map Grid Australia (MGA) is based on the Geocentric Datum of Australia 1994 (GDA94). ây âc ãk 6619Sv 274500 6803040 Bathymetric data supplied by the Department of Transport. This map is not intended 100 m ìmNO 100 m GDA94 positions are compatible within one metre of the datum WGS84 positions. 6620 Lst 277120 6799940 for marine navigation ìmNO GEOCENTRIC DATUM OF AUSTRALIA 6621Sv 278030 6799390 Bore and well data supplied by the Water and Rivers Commission 500 m 6680 Lst 269780 6816910 6681 Lst 273170 6802880 Published by the Geological Survey of Western Australia. Copies available from WESTERN AUSTRALIA 1Ý:Ý50Ý000 REGOLITH_LANDFORM RESOURCES SERIES the Information Centre, Department of Minerals and Energy, 100 Plain Street, KEY TO OPERATING STATUS East , WA, 6004. Phone (08) 9222 3459, Fax (08) 9222 3444 This map is also available in digital form Bold numbers (i.e. 6592) Operating quarry Printed by the Geological Survey of Western Australia V V V Bold and italic numbers (i.e. 6609) Abandoned quarry Vertical exaggeration = 10 Vertical exaggeration = 10 Vertical exaggeration = 2 SHEET 1840Ý-ݱ±± FIRST EDITION 2000 H H H The recommended reference for this map is: Numbers refer to GSWA WAMIN mineral occurrence database LANGFORD, R.L., 2000, Geraldton, W.A. Sheet 1840Ý-Ý3 Normal fault, showing relative displacement Western Australia Geological Survey, 1:Ý50Ý000 Regolith_Landform Resources Series ¦ Western Australia 2000