YORKE PENINSULA (MOONTA SUBDOMAIN) · Published by Geoscience Australia, Department of Industry,...
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Ld1 Ll LM1 Lh Lxw Lxw Llg Ll Lxwa Ms LM1 LM1 Lxwa LM1 Mh2 Lh Lxw Mh2 Mh2 Lx-m Mh1 Lxwa Llg Mht Lh Mh2 Lxw Mh2 Lxa Ld1 ?Lx2 Llg Mh2 Mh (Lx) Lxw ?Lx2 Mh2 Lxwd Lx (Mh) Mh (Lx) Lx2, Mh Mh (Lx) Mh2 Mh (Lx) Mh3 Mh (Lx) Lx-m Ld2 Lx-m Lxw, M-rm Lxw Lx2 Mht, Lxw Mh (Lx) Mh1 Lx-m Lxm M-rm Mh (Lx) Mh1 Mh (Lx) Lx (Mh) Lx (Mh) Lx (Mh) Lxwa Lxw, M-rm Mh1 Mh4 (Lx) LM1 Lxw Lxa Mh1 Lx2, Mh Lxm, Lxwd Lx2, Mh Mht Lxwc M-rm Lxw Lx, Mh, M-rm Lxwd aa Mh3 Lx2, Mh Mh (Lx) M-rm Lxw, M-rm M-rm Mh1 M-rm M-rm Lxw aa Lx (Mh) Mh3 Mht, Lxw Mh (Lx) Lxwd M-rm M-rm M-rm aa M-rm Mh (Lx) M-rm M-rm M-rm Mht, Lxw M-rc 200 200 500 500 50 50 1000 1000 100 100 50 50 50 50 50 50 100 100 50 50 50 50 100 100 1000 1000 100 100 200 200 500 500 50 50 50 50 1000 1000 100 100 100 100 100 100 50 50 50 50 50 50 100 100 100 100 50 50 1000 1000 100 100 50 50 100 100 1000 1000 100 100 50 50 100 100 200 200 100 100 200 200 50 50 1000 1000 1000 1000 500 500 1000 1000 100 100 100 100 1000 1000 50 50 500 500 50 50 200 200 50 50 50 50 50 50 50 50 50 50 200 200 200 200 500 500 500 500 50 50 KADINA COWELL WALLAROO MAITLAND MINLATON YORKETOWN MOONTA BUTE STANSBURY PORT VINCENT ARDROSSAN CLINTON NORTH BEACH PORT BROUGHTON FISHERMAN BAY 5 6 4 32 1 8 7 9 48 32 31 47 46 30 45 44 43 42 10 39 41 40 38 37 36 35 34 33 ALFORD WAROOKA KULPARA BALGOWAN WEETULTA ARTHURTON MARION BAY EDITHBURGH CURRAMULKA PINE POINT PASKEVILLE CORNY POINT PORT VICTORIA 670000 670000 680000 680000 690000 690000 700000 700000 710000 710000 720000 720000 730000 730000 740000 740000 750000 750000 760000 760000 770000 770000 780000 780000 6100000 6100000 6110000 6110000 6120000 6120000 6130000 6130000 6140000 6140000 6150000 6150000 6160000 6160000 6170000 6170000 6180000 6180000 6190000 6190000 6200000 6200000 6210000 6210000 6220000 6220000 6230000 6230000 6240000 6240000 6250000 6250000 6260000 6260000 6270000 6270000 6280000 6280000 6290000 6290000 TOTAL MAGNETIC INTENSITY Pseudocolour Image of Total Magnetic Intensity reduced to the pole with a northeast sun angle illumination. See Airborne Survey Index for data acquisition details FIRST VERTICAL DERIVATIVE OF TOTAL MAGNETIC INTENSITY First vertical derivative of Total Magnetic Intensity greyscale image. See Airborne Survey Index for data acquisition details Bouguer gravity pseudocolour image YORKE PENINSULA (MOONTA SUBDOMAIN) AUSTRALIA EXPLANATORY COMMENTS The geology dataset was compiled primarily from interpretation of airborne magnetic data and drill hole logging, along with gravity and minor AEM data. The magnetic data used for the interpretation was compiled by GA and PIRSA geophysicists from numerous regional government surveys and more detailed private company surveys. The TEISA magnetic dataset (flown 1999, 400 metre line spacing) comprised the bulk of the data over the land area of Yorke Peninsula. Drill hole data comprised logs from the PIRSA database, as well as logging by the author. The model of depth-to-basement was calculated using the ANUDEM topographic modelling algorithm and was based primarily on drill hole data and the mapped limits of basement outcrop. Depth-to-basement in the area of the Stansbury Basin (SE of the survey area) was based on previous modelling by SRK Consulting (available from PIRSA). Depth-to-basement data was gridded and contoured using the Topogrid module of ArcInfo 8.0.2 and the Spatial Analyst extension of Arcview 3.2. Geophysical and depth-to-basement images were exported as BIL files from ER Mapper 5.5. The vector data was digitised and compiled using ArcInfo 8.0.2. The map was constructed using ArcGIS 8.2. DIGITAL DATA The digital data are also presented as an online GIS at http://www.ga.gov.au and certain datasets are available for download in ArcView and MapInfo formats. Complete metadata is also available: refer to Geocat # 39835. GEOPHYSICAL DATA Geophysical data can be obtained from: Office of Minerals and Energy Resources, SA 7th Floor, 101 Grenfell St, GPO Box 1671, Adelaide, South Australia, 5001 Ph (08) 8463 4154, Fax (08) 8463 4155 http://www.minerals.pir.sa.gov.au nT/m -2.42 -0.27 -0.13 -0.01 0.17 5.36 BOUGUER GRAVITY PRE-NEOPROTEROZOIC BASEMENT GEOLOGY Mines and lodes (abandoned) Commodities Mineral Field 1 Wallaroo main lode Cu Wallaroo 2 Stirling, Matta lodes Cu, Au Wallaroo 3 Devon lodes Cu Wallaroo 4 Kurilla mine (Morphetts, Halls lodes) Cu Wallaroo 5 Duryea lode Cu, Au Wallaroo 6 Bingo lodes Cu Wallaroo 7 Wandilta lode Cu Wallaroo 8 Cornwall, New Cornwall lodes Cu Wallaroo 9 unnamed Cu, Au Wallaroo 10 Doora lode Cu Wallaroo 11 Poona lodes Cu, Au Moonta 12 Parramatta lode Cu, Au Moonta 13 Wheal Hughes Cu, Au Moonta 14 Mid Moonta lode Cu, Au Moonta 15 North Yelta, Euko lodes Cu, Au Moonta 16 Tuxford (Tank) lode Cu, Au Moonta 17 Yelta lodes Cu, Au Moonta 18 MacDonnell, Fergusson, Dominic, Cu, Au Moonta Hogg, and Buchan lodes 19 Hall, Alice, and Hancock lodes Cu, Au Moonta 20 Harvey, Young lodes Cu, Au Moonta 21 Green lode Cu, Au Moonta 22 Beddome lode Cu, Au Moonta 23 Musgrave lode Cu, Au Moonta 24 Moonta Extended, Wild Dog lodes Cu, Au Moonta 25 Elder's (Taylor's) lode Cu, Au Moonta 26 Elder West, Bennett lodes Cu, Au Moonta 27 Karkarilla, Treuer lodes Cu, Au Moonta 28 York lode Cu, Au Moonta 29 unnamed Cu, Au Moonta 30 Penang Fe, Cu, U 31 Parara Cu, Au, U 32 Hillside Cu, Au, U Prospects 33 Katinka Cu, Au 34 Vock Cu 35 East Alford Cu, Au 36 Alford Cu, Mo, U 37 North Kadina Cu 38 Black Oak Plain Zn, Pb 39 Pridhams Cu 40 Smithams, East Kadina Zn, Pb, Cu 41 West Doora Cu Wallaroo 42 Central Doora Cu Wallaroo 43 Bert Allen Cu Wallaroo 44 Vulcan Cu 45 King George Fe, Cu, Au 46 Tea Tree Glen Cu, Ni, REE 47 Balgowan Fe, Cu 48 Port Julia Cu, REE CREDITS Compiled by O. Raymond, Geoscience Australia, 2001-02 Geophysical image processing by O. Raymond, Geoscience Australia Gravity data compiled and gridded by N. G. Direen, Geoscience Australia Cartography by L. M. Highet, Geoscience Australia Produced and printed by the Geospatial Applications and Visualisation Unit, Geoscience Australia using ESRI ArcGIS software BIBLIOGRAPHY It is recommended that this map be referred to as: COPYRIGHT C Commonwealth of Australia 2002 This work is copyright. Apart from any fair dealings for the purposes of study, research, criticism or review, as permitted under the Copyright Act, no part may be reproduced by any process without written permission. Inquiries should be directed to the Communications Unit, Geoscience Australia, GPO Box 378, Canberra City, ACT, 2601. DISCLAIMER Geoscience Australia has tried to make the information in this product as accurate as possible. However, it does not guarantee that the information is totally accurate or complete. THEREFORE YOU SHOULD NOT RELY SOLELY ON THIS INFORMATION WHEN MAKING A COMMERCIAL DECISION. PUBLICATION NOTE Published by Geoscience Australia, Department of Industry, Tourism and Resources, Canberra, Australia. Issued under the authority of the Minister for Industry, Tourism and Resources. AVAILABILITY Copies of this map can be obtained from: Sales Centre, Geoscience Australia GPO Box 378, Canberra, ACT, 2601 Ph (02) 6249 9519, Fax (02) 6249 9982 http://www.ga.gov.au Raymond O., 2002, Yorke Peninsula (Moonta Subdomain), Geophysical Interpretation of Pre-NeoProterozoic Basement Geology 1:250 000 scale map (First edition). Geoscience Australia, Canberra 1 8 2 4 9 5 6 3 7 5123.95 568.23 313.40 58.57 -196.25 -692.71 nT 333.08 145.09 74.69 11.31 -44.71 -334.36 um.s -2 AIRBORNE SURVEY INDEX ID Survey Year Flown for Line spacing AGD Line direction 1 TEISA - Areas A2, B1 1999 PIRSA 400 80 90° 2 SAEI - Area B9 1994 MESA 400 85 0° 3 SAEI - Area B8 1994 MESA 400 80 90° 4 SAEI - Area B6 1994 MESA 400 80 90° 5 Weetulta 1985 BHP/CRAE 200 80 0° 6 Kadina 1984 WMC 300 120 0° 7 Kingscote 1982 8 Lincoln, Maitland 1975 BMR/SADME 1500 150 90° 9 Whyalla 1975 BMR/SADME 1500 150 90° SEE INSET SOUTH AUSTRALIA MAP LOCALITY Fracture/joint Geological boundary, inferred Geological boundary, probable Major fault, inferred Major fault, probable Minor fault, probable 137°E 137°E 138°E 138°E 35°S 35°S 34°S 34°S SPENCER DOMAIN SPENCER DOMAIN OLYMPIC DOMAIN (Moonta Subdomain) DOMAIN MAP AL FO RD FAULT Z ONE P I N E P O I NT F A U LT WA R O O KA F A U LT ZO N E Anticline Bedding trend, concealed Compositional layering, inferred Syncline Trend line, highly magnetic, concealed Trend line, linear feature of unknown origin 136 30' 136 30' 139 30' 139 30' 36 05' 36 00' 33 00' 33 00' o o o o o o o o BURRA BARKER WHYALLA ADELAIDE MAITLAND KINGSCOTE SI 54-5 SI 53-8 SI 54-9 SI 53-16 SI 53-12 SI 54-13 INDEX TO 1:250 000 SHEETS SPENCER GULF GULF ST. VINCENT Gravity station Scale 1:1 000 000 0 50 Kilometres 22 29 28 27 23 26 21 25 20 24 18 19 16 17 15 14 13 12 11 Lxm Lxm, Lxwd Mh (Lx) MOONTA MOONTA INSET MAP showing MINES and PROSPECTS Scale 1:100 000 0 2 Kilometres Scale 1:2 000 000 0 50 Kilometres Domain boundaries modified after Ferris et al, 2000 Major fault Unconformity Domain boundary inferred - obscured by younger granites Downfaulted and covered by thick Neoproterozoic sediments Scale 1:250 000 Projection: Universal Transverse Mercator, Zone 53 Grid Coordinates: Map Grid of Australia 1994 (MGA 94) Horizontal Datum: Geocentric Datum of Australia (GDA 94) 5 0 5 10 15 20 Kilometres Scale 1:1 000 000 Kilometres 0 50 Scale 1:1 000 000 Kilometres 0 50 M-rm Lxa Lxm Lx2 LM1 Lh aa Olympic Domain Tickera Granite Wandearah Formation Aagot Member Doora Member Lx2, Mh Wardang Volcanics Moonta Porphyry Undifferentiated Olympic Domain Basement Spencer Domain Hutchison Group and Minbrie Gneiss Wandearah Formation intruded by Tickera Granite at shallow depth; strong magnetic signature of granite evident through metasedimentary cover Strongly magnetic granitoids (including Curramulka Gabbronorite), with some Wallaroo Group metasediments and metavolcanics Predominantly moderately to strongly magnetic granitoids, with some Wallaroo Group metasediments and metavolcanics Predominantly weakly magnetic, albitic, quartzose and calcsilicate metasediments with minor more strongly magnetic horizons; minor intercalated metavolcanics; possible minor Hiltaba Suite granitoid intrusions Predominantly very weakly magnetic metasiltstone, minor sandstone and calcsilicates Weakly magnetic to non-magnetic granitoids Moderately to weakly magnetic granitoids Predominantly strongly magnetic granite Moderately to strongly magnetic granitoids Carbonate-rich metasomatic and breccia zones; very weakly magnetic Alkali feldspar + magnetite ± biotite ± actinolite metasomatic alteration bodies Late argillic alteration zone; very weakly magnetic, magnetite-destructive alteration Variably weak to moderately magnetic metasediments and intercalated metavolcanics; some narrow, linear, strongly magnetic anomalies probably represent magnetite-biotite metasomatism along shear zones Weakly magnetic metasediments, often calcareous; carbonate-rich breccia and skarn; some discontinous strongly magnetic anomalies, probably metasomatic Predominantly weakly magnetic metasediments with scattered small, strong magnetic anomalies, probably metasomatic bodies Variably magnetic felsic and minor mafic metavolcanics with intercalated metasediments Weakly to moderately magnetic felsic metavolcanics Intercalated felsic metavolcanics and metasediments of the Moonta Porphyry and Doora Member Moderately to weakly magnetic, felsic and lesser mafic metavolcanics and intercalated metasediments Moderately to weakly magnetic, undifferentiated metavolcanics and metasediments, intruded by Hiltaba Suite granitoids Undifferentiated metasediments and metavolcanics, variably weakly to moderately magnetic, with minor Hiltaba Suite granitoid intrusions Undifferentiated Wallaroo Group and Hiltaba Suite granitoids, containing strong magnetic anomalies, probably metasomatic bodies Broad areas of moderately to very strongly magnetic Wallaroo Group probably reflecting widespread magnetite ± biotite ± albite alteration and some intrusion by Hiltaba Suite granitoids Wallaroo Group intruded by predominantly magnetic Hiltaba Suite granitoids; typically buried by thick Neoproterozoic and/or Cambrian sedimentary cover Predominantly weakly magnetic gneissic metasediments with some narrow strongly magnetic horizons Weakly magnetic paragneiss (including Corny Point Paragneiss), with weakly to moderately magnetic Donington Suite granitoids and granitoid gneisses Moderately to strongly magnetic granitoid and granitoid gneiss Weakly magnetic granitoid and granitoid gneiss Moderately to strongly magnetic gneiss (predominantly Donington Suite granitoid gneisses) with abundant linear magnetic anomalies reflecting shearing and foliation Mesoproterozoic Palaeoproterozoic Ms Splisby Suite Generally weakly magnetic granite M- rc Lxm,Lxwd Lx (Mh) Lx-m Lx, Mh, M-rm Ll Llg Ld1 Lincoln Complex (predominantly Donington Suite) Ld2 Wallaroo Group Lxw Lxw,M-rm Lxwd Lxwa Lxwc YORKE PENINSULA (MOONTA SUBDOMAIN) PRE-NEOPROTEROZOIC GEOLOGY FIRST EDITION NOVEMBER 2002 SUBJECT TO REVISION Hiltaba Suite Mht Mht, Lxw Mh1 Mh2 Mh3 Mh4 (Lx) Mh (Lx) Coastline Highway; built-up area Secondary road; town Depth to basement contours (m) Abandoned mine or prospect (see table) 100 100 35 Minor road 137°30'E 137°30'E 34°30'S 34°30'S 33°30'S 33°30'S 138°00'E 137°00'E 34°00'S 35°00'S 137°00'E 138°00'E 35°00'S 34°00'S DEPTH TO BASEMENT Depth to pre-NeoProterozoic basement pseudocolour image Scale 1:1 000 000 Kilometres 0 50 0 10 50 100 500 2500 m 137°30'E 137°30'E 34°30'S 34°30'S 33°30'S 33°30'S 34°00'S 35°00'S 137°00'E 138°00'E 35°00'S 34°00'S 138°00'E 137°00'E 137°30'E 137°30'E 34°30'S 34°30'S 33°30'S 33°30'S 35°00'S 34°00'S 138°00'E 137°00'E 35°00'S 34°00'S 137°00'E 138°00'E 137°30'E 137°30'E 34°30'S 34°30'S 33°30'S 33°30'S 137°00'E 138°00'E 34°00'S 34°00'S 35°00'S 138°00'E 137°00'E 35°00'S 137°30'E 137°30'E 34°30'S 34°30'S 33°30'S 33°30'S 137°00'E 138°00'E 34°00'S 35°00'S 138°00'E 137°00'E 35°00'S 34°00'S WARNING: Colours will fade with prolonged exposure to light m E 6090000m N
Transcript of YORKE PENINSULA (MOONTA SUBDOMAIN) · Published by Geoscience Australia, Department of Industry,...
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TOTAL MAGNETIC INTENSITY
Pseudocolour Image of Total Magnetic Intensity reduced to the polewith a northeast sun angle illumination.
See Airborne Survey Index for data acquisition details
FIRST VERTICAL DERIVATIVE OF TOTAL MAGNETIC INTENSITY
First vertical derivative of Total Magnetic Intensity greyscale image.See Airborne Survey Index for data acquisition details
Bouguer gravity pseudocolour image
YORKE PENINSULA(MOONTA SUBDOMAIN)
AUSTRALIA
EXPLANATORY COMMENTSThe geology dataset was compiled primarily from interpretation of airbornemagnetic data and drill hole logging, along with gravity and minor AEM data.The magnetic data used for the interpretation was compiled by GA and PIRSAgeophysicists from numerous regional government surveys and more detailedprivate company surveys. The TEISA magnetic dataset (flown 1999, 400 metreline spacing) comprised the bulk of the data over the land area of YorkePeninsula. Drill hole data comprised logs from the PIRSA database, as wellas logging by the author.
The model of depth-to-basement was calculated using the ANUDEMtopographic modelling algorithm and was based primarily on drill hole data andthe mapped limits of basement outcrop. Depth-to-basement in the area of theStansbury Basin (SE of the survey area) was based on previous modelling bySRK Consulting (available from PIRSA). Depth-to-basement data was griddedand contoured using the Topogrid module of ArcInfo 8.0.2 and the Spatial Analystextension of Arcview 3.2. Geophysical and depth-to-basement images wereexported as BIL files from ER Mapper 5.5.
The vector data was digitised and compiled using ArcInfo 8.0.2. The map wasconstructed using ArcGIS 8.2.
DIGITAL DATAThe digital data are also presented as an online GIS at http://www.ga.gov.auand certain datasets are available for download in ArcView and MapInfo formats.Complete metadata is also available: refer to Geocat # 39835.
GEOPHYSICAL DATAGeophysical data can be obtained from: Office of Minerals and Energy Resources, SA 7th Floor, 101 Grenfell St, GPO Box 1671, Adelaide, South Australia, 5001 Ph (08) 8463 4154, Fax (08) 8463 4155 http://www.minerals.pir.sa.gov.au
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BOUGUER GRAVITY
PRE-NEOPROTEROZOIC BASEMENT GEOLOGY
Mines and lodes (abandoned) Commodities Mineral Field
1 Wallaroo main lode Cu Wallaroo2 Stirling, Matta lodes Cu, Au Wallaroo3 Devon lodes Cu Wallaroo4 Kurilla mine (Morphetts, Halls lodes) Cu Wallaroo5 Duryea lode Cu, Au Wallaroo6 Bingo lodes Cu Wallaroo7 Wandilta lode Cu Wallaroo8 Cornwall, New Cornwall lodes Cu Wallaroo9 unnamed Cu, Au Wallaroo10 Doora lode Cu Wallaroo11 Poona lodes Cu, Au Moonta12 Parramatta lode Cu, Au Moonta13 Wheal Hughes Cu, Au Moonta14 Mid Moonta lode Cu, Au Moonta15 North Yelta, Euko lodes Cu, Au Moonta16 Tuxford (Tank) lode Cu, Au Moonta17 Yelta lodes Cu, Au Moonta18 MacDonnell, Fergusson, Dominic, Cu, Au Moonta
Hogg, and Buchan lodes19 Hall, Alice, and Hancock lodes Cu, Au Moonta20 Harvey, Young lodes Cu, Au Moonta21 Green lode Cu, Au Moonta22 Beddome lode Cu, Au Moonta23 Musgrave lode Cu, Au Moonta24 Moonta Extended, Wild Dog lodes Cu, Au Moonta25 Elder's (Taylor's) lode Cu, Au Moonta26 Elder West, Bennett lodes Cu, Au Moonta27 Karkarilla, Treuer lodes Cu, Au Moonta28 York lode Cu, Au Moonta29 unnamed Cu, Au Moonta30 Penang Fe, Cu, U31 Parara Cu, Au, U32 Hillside Cu, Au, U
Prospects
33 Katinka Cu, Au34 Vock Cu35 East Alford Cu, Au36 Alford Cu, Mo, U37 North Kadina Cu38 Black Oak Plain Zn, Pb39 Pridhams Cu40 Smithams, East Kadina Zn, Pb, Cu41 West Doora Cu Wallaroo42 Central Doora Cu Wallaroo43 Bert Allen Cu Wallaroo44 Vulcan Cu45 King George Fe, Cu, Au46 Tea Tree Glen Cu, Ni, REE47 Balgowan Fe, Cu48 Port Julia Cu, REE
CREDITSCompiled by O. Raymond, Geoscience Australia, 2001-02
Geophysical image processing by O. Raymond, Geoscience Australia
Gravity data compiled and gridded by N. G. Direen, Geoscience Australia
Cartography by L. M. Highet, Geoscience Australia
Produced and printed by the Geospatial Applications and Visualisation Unit,Geoscience Australia using ESRI ArcGIS software
BIBLIOGRAPHYIt is recommended that this map be referred to as:
COPYRIGHTC Commonwealth of Australia 2002
This work is copyright. Apart from any fair dealings for the purposes of study,research, criticism or review, as permitted under the Copyright Act, no partmay be reproduced by any process without written permission. Inquiries shouldbe directed to the Communications Unit, Geoscience Australia,GPO Box 378, Canberra City, ACT, 2601.
DISCLAIMERGeoscience Australia has tried to make the information in this productas accurate as possible. However, it does not guarantee that the information istotally accurate or complete. THEREFORE YOU SHOULD NOT RELY SOLELYON THIS INFORMATION WHEN MAKING A COMMERCIAL DECISION.
PUBLICATION NOTEPublished by Geoscience Australia, Department of Industry, Tourism andResources, Canberra, Australia. Issued under the authority of the Minister forIndustry, Tourism and Resources.
AVAILABILITYCopies of this map can be obtained from: Sales Centre, Geoscience Australia GPO Box 378, Canberra, ACT, 2601 Ph (02) 6249 9519, Fax (02) 6249 9982 http://www.ga.gov.au
Raymond O., 2002, Yorke Peninsula (Moonta Subdomain), GeophysicalInterpretation of Pre-NeoProterozoic Basement Geology 1:250 000 scalemap (First edition). Geoscience Australia, Canberra
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AIRBORNE SURVEY INDEX
ID Survey Year Flown forLine
spacingAGD
Line direction
1 TEISA - Areas A2, B1 1999 PIRSA 400 80 90°
2 SAEI - Area B9 1994 MESA 400 85 0°
3 SAEI - Area B8 1994 MESA 400 80 90°
4 SAEI - Area B6 1994 MESA 400 80 90°
5 Weetulta 1985 BHP/CRAE 200 80 0°
6 Kadina 1984 WMC 300 120 0°
7 Kingscote 1982
8 Lincoln, Maitland 1975 BMR/SADME 1500 150 90°
9 Whyalla 1975 BMR/SADME 1500 150 90°
SEEINSET
SOUTH
AUSTRALIA
MAP LOCALITY
Fracture/joint
Geological boundary, inferred
Geological boundary, probable
Major fault, inferred
Major fault, probable
Minor fault, probable
137°E
137°E
138°E
138°E
35°S35°S
34°S34°S
SPENCER DOMAIN
SPENCER DOMAIN
OLYMPIC DOMAIN(Moonta Subdomain)
DOMAIN MAP
ALFORD FAULT ZONE
PIN
E
P
OIN
T
FA
ULT
WAROOKA FAULT ZONE
Anticline
Bedding trend, concealed
Compositional layering, inferred
Syncline
Trend line, highly magnetic, concealed
Trend line, linear feature of unknown origin
136 30'
136 30' 139 30'
139 30'36 05' 36 00'
33 00'33 00'
o
o o
o
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BURRA
BARKER
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ADELAIDEMAITLAND
KINGSCOTE
SI 54-5SI 53-8
SI 54-9
SI 53-16
SI 53-12
SI 54-13
INDEX TO 1:250 000 SHEETS
S P E N C E R
G U L F
G U L F
S T . V I N C E N T
Gravity station
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MOONTA
MOONTA INSET MAP showingMINES and PROSPECTS
Scale 1:100 0000 2 Kilometres
Scale 1:2 000 0000 50 Kilometres
Domain boundaries modified after Ferris et al, 2000
Major fault Unconformity
Domain boundary inferred - obscured by younger granites
Downfaulted and covered by thick Neoproterozoic sediments
Scale 1:250 000
Projection: Universal Transverse Mercator, Zone 53
Grid Coordinates: Map Grid of Australia 1994 (MGA 94)Horizontal Datum: Geocentric Datum of Australia (GDA 94)
5 0 5 10 15 20 Kilometres
Scale 1:1 000 000Kilometres0 50
Scale 1:1 000 000Kilometres0 50
M-rm
Lxa
Lxm
Lx2
LM1
Lh
aa
Olympic Domain
Tickera Granite
Wandearah Formation
Aagot Member
Doora Member
Lx2, Mh
Wardang Volcanics
Moonta Porphyry
Undifferentiated Olympic Domain Basement
Spencer DomainHutchison Group andMinbrie Gneiss
Wandearah Formation intruded by Tickera Granite at shallow depth; strong magneticsignature of granite evident through metasedimentary cover
Strongly magnetic granitoids (including Curramulka Gabbronorite), with someWallaroo Group metasediments and metavolcanics
Predominantly moderately to strongly magnetic granitoids, with some Wallaroo Group metasediments and metavolcanics
Predominantly weakly magnetic, albitic, quartzose and calcsilicate metasediments withminor more strongly magnetic horizons; minor intercalated metavolcanics; possibleminor Hiltaba Suite granitoid intrusions
Predominantly very weakly magnetic metasiltstone, minor sandstone and calcsilicates
Weakly magnetic to non-magnetic granitoids
Moderately to weakly magnetic granitoids
Predominantly strongly magnetic granite
Moderately to strongly magnetic granitoids
Carbonate-rich metasomatic and breccia zones; very weakly magnetic
Alkali feldspar + magnetite ± biotite ± actinolite metasomatic alteration bodies
Late argillic alteration zone; very weakly magnetic, magnetite-destructive alteration
Variably weak to moderately magnetic metasediments and intercalated metavolcanics;some narrow, linear, strongly magnetic anomalies probably represent magnetite-biotitemetasomatism along shear zones
Weakly magnetic metasediments, often calcareous; carbonate-rich breccia and skarn;some discontinous strongly magnetic anomalies, probably metasomatic
Predominantly weakly magnetic metasediments with scattered small, strong magneticanomalies, probably metasomatic bodies
Variably magnetic felsic and minor mafic metavolcanics with intercalated metasediments
Weakly to moderately magnetic felsic metavolcanics
Intercalated felsic metavolcanics and metasediments of the Moonta Porphyry and Doora Member
Moderately to weakly magnetic, felsic and lesser mafic metavolcanics and intercalatedmetasediments
Moderately to weakly magnetic, undifferentiated metavolcanics and metasediments,intruded by Hiltaba Suite granitoids
Undifferentiated metasediments and metavolcanics, variably weakly to moderately magnetic,with minor Hiltaba Suite granitoid intrusions
Undifferentiated Wallaroo Group and Hiltaba Suite granitoids, containing strong magneticanomalies, probably metasomatic bodies
Broad areas of moderately to very strongly magnetic Wallaroo Group probably reflectingwidespread magnetite ± biotite ± albite alteration and some intrusion by Hiltaba Suite granitoids
Wallaroo Group intruded by predominantly magnetic Hiltaba Suite granitoids; typicallyburied by thick Neoproterozoic and/or Cambrian sedimentary cover
Predominantly weakly magnetic gneissic metasediments with some narrow stronglymagnetic horizons
Weakly magnetic paragneiss (including Corny Point Paragneiss), with weakly to moderatelymagnetic Donington Suite granitoids and granitoid gneisses
Moderately to strongly magnetic granitoid and granitoid gneiss
Weakly magnetic granitoid and granitoid gneiss
Moderately to strongly magnetic gneiss (predominantly Donington Suite granitoid gneisses)with abundant linear magnetic anomalies reflecting shearing and foliation
Mes
opro
tero
zoic
Pal
aeop
rote
rozo
ic
Ms Splisby Suite Generally weakly magnetic granite
M- rc
Lxm,Lxwd
Lx (Mh)
Lx-m
Lx, Mh, M-rm
Ll
Llg
Ld1
Lincoln Complex (predominantly Donington Suite)
Ld2
Wallaroo Group
Lxw
Lxw,M-rm
Lxwd
Lxwa
Lxwc
YORKE PENINSULA(MOONTA SUBDOMAIN)
PRE-NEOPROTEROZOIC GEOLOGYFIRST EDITION NOVEMBER 2002
SUBJECT TO REVISION
Hiltaba Suite
Mht
Mht, Lxw
Mh1
Mh2
Mh3
Mh4 (Lx)
Mh (Lx)
Coastline
Highway; built-up area
Secondary road; town
Depth to basement contours (m)
Abandoned mine or prospect (see table)
100100
35
Minor road
137°30'E
137°30'E
34°30'S
34°30'S
33°30'S
33°30'S
138°00'E137°00'E
34°00'S
35°00'S
137°00'E138°00'E
35°00'S
34°00'S
DEPTH TO BASEMENT
Depth to pre-NeoProterozoic basement pseudocolour image
Scale 1:1 000 000Kilometres0 50
0
10
50
100
500
2500
m
137°30'E
137°30'E
34°30'S
34°30'S
33°30'S33°30'S
34°00'S
35°00'S
137°00'E 138°00'E
35°00'S
34°00'S
138°00'E137°00'E
137°30'E
137°30'E
34°30'S34°30'S
33°30'S33°30'S
35°00'S
34°00'S
138°00'E137°00'E
35°00'S
34°00'S
137°00'E 138°00'E
137°30'E
137°30'E
34°30'S34°30'S
33°30'S33°30'S
137°00'E 138°00'E
34°00'S34°00'S
35°00'S
138°00'E137°00'E
35°00'S
137°30'E
137°30'E
34°30'S34°30'S
33°30'S33°30'S
137°00'E 138°00'E
34°00'S
35°00'S
138°00'E137°00'E
35°00'S
34°00'S
WARNING: Colours will fade with prolonged exposure to light
m E6090000m N
