Geophysical Interpretation Harris Greenstone Belt, Gawler Craton, South Australia Hoatson D.M., Direen N.G., Whitaker A.J., Lane R.J.L., Daly S.J., Schwarz M.P., Davies M.B. 380000m 420000m 500000m 535000m 133°44'56" 133°50' 400000m 134°00' 134°10' 134°20' 440000m 134°30' 460000m 134°40' 480000m 134°50' 135°00' 135°10' 520000m 135°20' 135°21'53" 30°32'47" 30°33'06" 6620000m 6620000m

30°40' 30°40'

Tarcoola

6600000m 6600000m

30°50' 30°50'

Kingoonya

6580000m 6580000m

Yerda

31°00' 31°00'

Shear Lake Harris

6560000m 6560000m

Zone

31°10' 31°10'

6540000m 6540000m 31°16'05" 31°16'25" 133°44'22" 133°50' 400000m 134°00' 134°10' 134°20' 440000m 134°30' 460000m 134°40' 480000m 134°50' 135°00' 135°10' 520000m 135°20' 135°22'03" 380000m 420000m 500000m 535000m

NEOPROTEROZOIC SCALE 1:250 000

Gairdner Dyke Swarm (?830 Ma): dolerite, basalt, gabbro 5 0510 15 20 25 30 kilometres MEZOPROTEROZOIC South Australia NT UNIVERSAL TRANSVERSE MERCATOR PROJECTION, ZONE 55, GEOCENTRIC DATUM OF AUSTRALIA Tarcoola-Alice 134°00'Tarcoola Goldfield Springs Railway 135°00' Study QLD Pandurra Formation (>1425 Ma): sandstone, siltstone, shale, conglomerate WA Trans area Tarcoola SA AustralianEarea Dam Goldfield NSW Hiltaba Suite Granite (~1590 Ma): granite, adamellite, granodiorite, syenite, quartz monzodiorite; zoned plutons, low to high magnetisation The Harris Greenstone Belt in the central Gawler Craton of South Australia Geophysical interpretation and compilation by D. M. Hoatson, N. G. Direen, VIC has potential for Archaean Ni-Cu-PGE sulphide and Archaean-Proterozoic A. J. Whitaker, R. J. L. Lane (Geoscience Australia) and S. J. Daly, M. P. Schwarz, DDH TAR 85-88 Railway DDH TAR 90-93 Kingoonya lode-Au mineralising systems. This map is a preliminary interpretation of the M. B. Davies (Office of Minerals and Energy Resources, Department of Primary TAS Hiltaba Suite Granite (~1590 Ma): granite, adamellite, granodiorite, syenite, quartz monzodiorite; massive plutons, high magnetisation Hopeful Hill Precambrian basement geology based on aeromagnetics, gravity, and diamond Industries and Resources, South Australia) Mt Finke 16/SA/67 drilling. It highlights the extensive distribution of poorly exposed Archaean Junction of Tarcoola Kingoonya 31°00' 1:250 000 sheets Childara Gairdner Gawler Range Volcanics (~1590 Ma): dacite, rhyodacite, rhyolite, basalt, andesite, felsic pyroclastic rocks Cartography by G. Tobin, L. Murray, L. M. Highet (Geoscience Australia) Lake Fault komatiites and associated rocks (green) that have a strike extent of at least 300 km. The regional pattern of linear komatiitic sequences associated with Harris DDH Lake Harris 1-2 Glenloth Gawler Craton PALAEOPROTEROZOIC ovoid granitic plutons and province-wide shear systems, is very similar to the Online GIS available at http://www.ga.gov.au/ Goldfield Fault, inferred economically important Eastern Goldfields Province in the Yilgarn Craton, Harris Greenstone Sequence Muckanippie Anorthosite Suite (~?1630 Ma): anorthosite, gabbro, diorite Western Australia. GIS constructed by M. Peljo and L. M. Highet (Geoscience Australia) 0 40 km Geological boundary Published by Geoscience Australia, Department of Industry, Tourism and DDH TAR 85-88 Diamond drillholes 85 to 88 Tarcoola Formation (~1650 Ma): siltstone, shale, quartzite, conglomerate, tuff, basalt Resources, Canberra, Australia. Issued under the authority of the Minister COPYRIGHT for Industry, Tourism and Resources Lake, non-perennial © Commonwealth of Australia 2002 Symons Granite (~1690 Ma), St Peter Suite (1630 Ma): granite, granodiorite, adamellite, gneiss It is recommended that this map be referred to as: Hoatson, D. M., et al, 2002. This work is copyright. Apart from any fair dealings for the purposes of Trend-line Geophysical Interpretation of the Harris Greenstone Belt, Gawler Craton, South study, research, criticism or review, as permitted under the Copyright Act, Australia, Preliminary Edition, Geoscience Australia, Canberra Wilgena Hill Jaspilite (>1740 Ma): banded iron formation, chert, quartzite no part may be reproduced by any process without written permission. Inquiries should be directed to the Communications Unit, Railway Copies of this map can be obtained from: Geoscience Australia, GPO Box 378, Canberra, ACT, 2601 LATE ARCHAEAN - EARLY PALAEOPROTEROZOIC Sales Centre, Geoscience Australia Township/homestead DISCLAIMER Glenloth Granite (~2500 Ma): gneissic granite, adamellite, granodiorite Geoscience Australia has tried to make the information in this product as GPO Box 378, Canberra, ACT, 2601 accurate as possible. However, it does not guarantee that the information is Ph (02) 6249 9519, Fax (02) 6249 9982 totally accurate or complete. THEREFORE YOU SHOULD NOT RELY SOLELY HARRIS GREENSTONE BELT Harris Greenstone Sequence (~>2500 Ma): komatiite, komatiitic basalt, felsic volcanics, banded iron formation, metasediments ON THIS INFORMATION WHEN MAKING A COMMERCIAL DECISION or downloaded in PDF format from http://www.ga.gov.au/ INTERPRETED SOLID GEOLOGY Undifferentiated Archaean (Mulgathing Complex) to Proterozoic basement: granite, orthogneiss, paragneiss, amphibolite, metasediments PRELIMINARY EDITION SEPTEMBER 2002 SUBJECT TO AMENDMENT

01 Nov 2002 12:20:34 G:\1\gawler\lake_harris\gph_interp\poly.dgn