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Western Australia 1 Witchcliffe 27 km 115°00À 05À 10À 115°15À 16 17 18 19 å20 21 22 23 24 25 26 27 28 29 å30 31 32 33 34 35 36 37 38 34°15À 44 QuB£ CoAº 60 34°15À FOUL BAY 40 50 Tallagandra BwT¸ DEKKERS CoA¥ CoRf 70 drain 40 BwAº BwAº 60 50 40 Mµ COSY CORNER A Creek BwA¤ 08 Knobby Head CoA¥ BwA¤ STOCKDILL RD 40 BwAº RIVER drain COSY CORNER 20 CoA¥ ROAD BwA¥ ìmLE 41 m ROAD 10 10 BwA¶ BwA© BwA¶ 78 QuE£ QuE¢ CoC 50 8657 8655 SCOTT 82 CoA¶ Glenleigh BwAº BwA¥ WESTERN AUSTRALIA 1Ý:Ý50Ý000 REGOLITHÊLANDFORM RESOURCES SERIES QuB£ CoRf 30 20 drain drain 08 Cosy Corner Brook ìmLE drain CoAº drain BwAº CoA¥ Turnwood M° Turner Brook Wahroonga NATIONAL PARK M° 20 causeway drain ROAD CoA¥ BwAº causeway GEOLOGICAL SURVEY OF WESTERN AUSTRALIA SpE¥ FISHER ROAD SCOTT 30 30 drain BwT¸ BwA¶ QuEk QuEk CoA¥ ìmLE 100 90 30 BwA¤ SHEET 1929Ý-ݱ±± FIRST EDITION 2002 07 40 ìmLE BwT¸ cable ferry 10 LANDSAT TM IMAGE WITH FIELD SITE LOCATIONS INTERPRETED ONSHORE BEDROCK GEOLOGY Honeycomb Rocks Deepdene Murrumbong drains 8641 RIVER 40 PRATT BwAº BwT¸ CoAº Kudardup ìmLE drain CoA¥ BwA¥ 180 BwA© A Scotsman Rock 80 CoA¥ BwA¥ SIMPLIFIED LAND SYSTEMS, SHADED RELIEF, 80 50 BwTª Dunsborough 70 ROAD CAVES CoRq Maureens 8644 CoC SCOTT 07 QuB£ ROAD Charandor INFRASTRUCTURE, AND DRAINAGE 80 KUDARDUP 5 RIVER 30 NORTH ìmLE Turner 8642 MOLLOY ISLAND BwAº C The Leeuwin RegolithÊLandform Resourcesmap provides information on QuEk QuA¥ 30 BAY BwTª BASIN ScAº áWl CoA¥ BwA¶ the regolith (soils) and underlying rocks, on the landforms (landscape), SpEk West BwT¸ ìmLE 06 Cape Hamelin QuE£ LEEUWIN _ NATURALISTE BwT¸ ScEq topography, infrastructure, and on the mineral and construction material 40 8568 ìmLE BwAº Mµ QuEk 100 DEEPDENE landing 40 E Fault Co Bw resources of Leeuwin. This map will be of value in landuse planning, the QuEk 60 ROAD ground NATIONAL PARK BwT¸ Sc sustainable development of resources, and in identifying natural hazards, Jewel Cave Bay Masterman ScAº QuEk Easter Cave Rockville BwTª BwAº BwAº BwTª both onshore and in shallow nearshore areas. Labyrinth Cave Cove 06 QuB¥ 90 BwAº BLACKWOOD 20 Point Dalton M° 70 Qu Mµ 40 SHIRE OF AUGUSTA Ê MARGARET RIVER BwA¥ DICK BwT¸ The map also delineates land systems, which are areas of discrete 110 50 CoA¶ BwT¦ BwA¶ B CHALLIS BwTª BwT¸ ISLAND CScA¶ Qu recurring patterns of landform, regolith, materials, and vegetation. These Creek patterns are related to geological and hydrogeological units, and form the M° BUSSELL 5 BwA¥ SCOTT NATIONAL PARK F 05 BwA¶ Point Pedder ScAº Mµ basis of identifying landuse, including mineral resource potential. 10 BwA¥ ROAD BwRq ScEq 70 Sp M´ 30 10 Island ScAº West Bay Stud Black Stump Point AUGUSTA QuE£ 160 CoA¥ BwAº Wirralee BwTª drain drain BHP1 05 I N D I A N CAVES D BwA© BwAº Bore ScEq 20 BwA¶ H A R D Y I N L E T BwAº ScA¶ ScAº M° 150 Mµ M° M² M´ BwRq 10 QuEk 50 Hukochini drain ScEq CLIFF SPACKMAN THOMAS BwA¥ ScAº O C E A N I N D I A N Mµ Marine shoreface 04 ROAD BwT¸ M´ M° M´ M° 130 BwAº ISLAND ROAD Marine nearshore QuB£ 140 BwRq ROAD QuE¥ M² Marine offshore The Copse RESERVE BwT¸ 8645 drain Long Swamp M´ Marine reef M° Point Trafalgar RIVER 04 O C E A N 160 QuE¢ HIGHWAY SC3A Bore 10 WEST drain QuEº Qu CoRf E 10651 Quindalup System _ beach and dunefields QuE£ BAY drain QuEº drain 100 SCOTT QuEk Bw Blackwood System _ estuary and river system 03 CLUBHOUSE 8567 10646 188 m ìmLE BwA¶ 140 ROAD JANE A 394 BwAº QuE¥ Sp ROAD 20 m Spearwood System _ deflated dunes JOHNSTON 170 10 Point Irwin 03 Sc Scott System _ mixed deflated dunes and river system M´ Mµ QuE£ MATTHEWS ROAD BwA¥ drain 10 10653 150 CoA¥ 130 QuEº CoC drain 20 Co Cowaramup System _ low hills underlain by Proterozoic rocks LUKES ROAD LION The Long Blackboy DIANA 10654 HILL HART AUGUSTA 6 10644 10648 110 CoRq ISLANDS S O U T H E R N O C E A N 02 30 m QuE¢ 10655 10 M² QuA¥ 10 GREEN 100 CoA¥ QuE¥ 8575 20 QuB¥ M° HILLVIEW East Augusta 10652 20 LEDGE Minns Ledge ROAD 11 m 130 ìmLE 40 160 20 S O U T H E R N O C E A N 130 CoA¥ 181 QuEº QuB£ 02 SCALE 1:Ý250Ý000 Mµ Ledge Point 0 510 ROAD 10649 LAKE 170 10645 M° QuEk 5 HILLSIDE ROAD BwT¦ 10647 SWAN Kilometres 170 m 180 Date of imagery: 13 March 1996 36 x Point QuA¥ 30 Ellis 8653 01 40 SpE¥ 5 10 ìmLE 190 M´ HILLVIEW ROAD QuB£ 10650 5 B GREEN HILL 8574 AUGUSTA The Deadwater 01 M´ QuB£ M´ 5 SEINE Point Frederick QuB´ BAY 200 10643 ìä00 M° CoRf Duke Head 10 30 x 10 Mµ Mµ LEGEND 28 ìä00 ìmLE x 8687 landing I N D I A N F MARINE _ 48Ý094 ha 82% ground ìmLE Deere Reef 1 2 CoA¥ Extensive offshore sandplain. Level to gently inclined nearshore, and level to very gently inclined shoreface, formed Jack Ledge 190 QuB£ 10 10 dominantly of submerged rocky platforms and reefs (1); small emergent rocky reefs, stacks, and islands in the nearshore 20À 30 Cumberland Rock 99 ìmLE 170 25 20À environment (2); minor patches of nearshore and shoreface sand. 150 8585 180 QuB¥ Sand deposits are composed mostly of shell fragments and quartz grains. Rock reefs and platforms are formed from 30 F L I N D E R S M Leeuwin Complex (1) or calcarenite of eolian and beach origin (2). 30 QuB£ 160 M° 99 Possible source of limesand for agricultural applications, and sand and limestone for construction. QuE£ LEEUWIN _ NATURALISTE 10642 Active processes include erosion and deposition by tides, currents, and wave action. The rocky coastline and shallow 80 reefs are a hazard to boats. Rapid deposition and erosion of coastal deposits can occur during storms. Redman CoC B A Y REFERENCE M° 8586 STORM BAY M´ 80 NATIONAL PARK Primarily used for fishing and recreation. 98 8649 Phanerozoic 130 Brook Sand of Holocene age mostly underlain by Leeuwin Complex rocks. 35 140 60 SpEº Cainozoic p 50 Barrack Point Age Proterozoic Description Leeuwin QUINDALUP SYSTEM _ 4Ý857 ha 6% M° ìmLE 12 Granny Pool 3 4 60 SpA¥ 98 Mostly parabolic dunes, swales, and blowouts; sandy beaches and foredunes common along the coast (3). Gently to Land System Holocene Pleistocene undivided 20 30 60 90 Cole Rock steeply inclined slopes, occasionally very steep to precipitous. Older deflated dunes form cliffs and rocky headlands. 70 ìmLE Mµ QuE¥ Multiple overlapping dune formations with intervening palaeosols. Mµ ìmLE Marine. Shoreface; shell and quartz sand; minor rock platform QuE¢ 5 M² M´ M° Marine. Nearshore sandplain and sandy hollows; shell and quartz sand; minor rock ridges and flats SKIPPY ROCK ROAD 20 5 M´ Dominantly calcareous eolian sand composed of shell fragments, quartz, and minor garnet and other heavy minerals (4), M² 97 Qu overlying a core of weakly lithified calcarenite. Organic sandy soils occur in swales. Marine. Offshore sandplain; shell and quartz sand QuE£ M° M´ Marine. Reef or rock flat; undivided eolian calcarenite and Leeuwin Complex 40 Source of limesand, sand, and limestone. Some potential for heavy mineral sands within the beach and dune sands. ìmLE Leeuwin Complex: undivided felsic granulite and granite; minor mafic granulite and anorthosite; fresh to weathered 48 120 10 62 D Eolian processes active in the dunes, and coastal processes on the beaches. Major hazards are collapse or subsidence p 97 of calcarenite, particularly overhanging cliffs. Migrating sand from blowouts and steeper dune faces is a minor hazard. QuA¥ Alluvial. Drainage depression; includes seasonally active channels; silty sand; formed in eolian deposits and weathered bedrock ìmLE 30 Qu QuA¥ QuE¢ p Skippy Rock 150 QuB£ Quindalup ( ) QuB£ Coastal. Beach; includes foredune; marine shell and quartz sand; eolian in part M´ M° 20 Landuses include conservation, recreation and tourism, and minor urban development and grazing. QuB¥ 140 Mµ Coastal. Foredune; eolian shell and quartz sand Overlies older dunes of the Spearwood System, and the Proterozoic rocks of the Leeuwin Complex (4). QuB´ Coastal. Beach ridge plain; shell and quartz sand; built up by waves, modified by wind 130 50 20 QuB£ QuE£ ìmLE QuB¥ QuEº 96 ìmLE BLACKWOOD SYSTEM _ 4Ý271 ha 5% Eolian. Swampy swale; waterlogged organic soil over shell and quartz sand 110 5 6 100 QuE¢ Eolian. Parabolic dunefield; shell and quartz sand A 424 Blackwood River, with associated adjacent terrace of level to very gently inclined plain dotted with swampy hollows, QuB¥ QuE¥ QuE£ Eolian. Blowout; actively eroding shell and quartz sand QuB£ 89 m and estuary including some islands, and intertidal and supratidal flats. The river has cut down through the Leederville QuE¥ ìmLE Eolian. Undivided dunefield; shell and quartz sand QUARRY BAY 10 QuB¥ QuE¢ 96 Formation in places (5). QuEk Eolian. Lithified dunefield; calcareous eolianite; weakly lithified shell and quartz sand; includes coastal rock platform ìmLE QuB´ QuEk ROAD Dead Finish Anchorage Sand and gravel common on the alluvial terraces. Ferruginous gravel on hillcrests. Low-lying swampy areas are filled p Leeuwin Complex: pegmatite vein Bw with organic sandy soils. ìmLE Leeuwin Complex: undivided felsic granulite and granite; minor mafic granulite and anorthosite; fresh to weathered O C E A N 5 LEEUWIN GROPER BAY 40 RINGBOLT BAY Source of yellow sand (6) and ferruginous gravel.
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