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Compilation of Geochronology Data, 2001: Western Australia Geological Survey, Record 2002/2, 282P

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Compilation of Geochronology Data, 2001: Western Australia Geological Survey, Record 2002/2, 282P RECORD COMPILATION OF 2002/2 GEOCHRONOLOGY DATA, 2001 by D. R. Nelson GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Record 2002/2 COMPILATION OF GEOCHRONOLOGY DATA 2001 by D. R. Nelson Perth 2002 MINISTER FOR STATE DEVELOPMENT Hon. Clive Brown MLA DIRECTOR GENERAL DEPARTMENT OF MINERAL AND PETROLEUM RESOURCES Jim Limerick DIRECTOR, GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Tim Griffin REFERENCE The recommended reference for this publication is: NELSON, D. R., 2002, Compilation of geochronology data, 2001: Western Australia Geological Survey, Record 2002/2, 282p. National Library of Australia Card Number and ISBN 0 7307 5728 5 Grid references in this publication refer to the Geocentric Datum of Australia 1994 (GDA94). Locations mentioned in the text are referenced using Map Grid Australia (MGA) coordinates. All locations are quoted to at least the nearest 100 m. Published 2002 by Geological Survey of Western Australia Copies available from: Information Centre Department of Mineral and Petroleum Resources 100 Plain Street EAST PERTH, WESTERN AUSTRALIA 6004 Telephone: (08) 9222 3459 Facsimile: (08) 9222 3444 This and other publications of the Geological Survey of Western Australia are available online through the Department's bookshop at www.mpr.wa.gov.au ii Contents Introduction .......................................................................................................................................................................... 1 Analytical procedures .......................................................................................................................................................... 1 Constants used ..................................................................................................................................................... 10 Abbreviations used .............................................................................................................................................. 11 Ion microprobe U–Th–Pb monazite geochronology Malmac Dome, Yilgarn Craton 168985: biotite pegmatite, Mount Sir James ..................................................................................................................... 12 Ion microprobe U–Pb zircon geochronology Collier Basin, Capricorn Orogen 168983: metasandstone, Weld Spring (Coonabildie Formation, Salvation Group) ....................................................... 16 Edmund Basin, Capricorn Orogen 169061: lithic quartz sandstone, Yangibana Yard (Kiangi Creek Formation, Edmund Group) .................................... 20 Gascoyne Complex, Capricorn Orogen 169048: leucocratic gneiss, Mount Remarkable Bore ...................................................................................................... 24 169050: tonalite gneiss, Mount Remarkable Bore ............................................................................................................ 28 169052: biotite–muscovite monzogranite, Tringadee Bore .............................................................................................. 31 169053: biotite–muscovite monzogranite, Fraser Well .................................................................................................... 35 169054: quartz–plagioclase–biotite–orthoclase– muscovite schist, Fraser prospect ....................................................... 39 169055: biotite–muscovite monzogranite, Fraser Well (Yangibana Granite) ................................................................. 43 169056: quartz–muscovite–biotite–plagioclase–epidote schist, Fraser prospect ............................................................ 46 169058: augen orthogneiss, Kanes Gossan prospect (Gooche Gneiss) ........................................................................... 50 169059: muscovite–biotite monzogranite, Yangibana Bore (Yangibana Granite) ......................................................... 53 169060: porphyritic syenogranite, Yangibana Bore (Pimbyana Granite) ....................................................................... 56 169062: porphyritic syenogranite, Contessis Bore (Dingo Creek Granite) ..................................................................... 59 Yerrida Basin, Capricorn Orogen 168979: metasandstone, North Pool (Juderina Formation, Yerrida Group) ................................................................... 63 Officer Basin, Centralian Superbasin 154880: sandstone, Pirrilyungka Outstation (Vines Formation) ...................................................................................... 67 154881: sandstone, Pirrilyungka Outstation (Vines Formation) ...................................................................................... 71 Yeneena Basin, Paterson Orogen 169117: metasandstone, Desert Queens Bath (Coolbro Sandstone, Throssell Group) ................................................... 75 169119: metasandstone, Fandango prospect (Coolbro Sandstone, Throssell Group) ..................................................... 80 169120: metasandstone, Desert Queens Bath (Coolbro Sandstone, Throssell Group) ................................................... 84 East Pilbara Granite–Greenstone Terrane, Pilbara Craton 144681: agglomeratic rhyolite, Baroona Hill (Wyman Formation, Warrawoona Group) .............................................. 89 160211: altered biotite tonalite, Corunna Downs Homestead (Nandingarra Granodiorite, Corunna Downs Granitoid Complex) ................................................................................................................. 92 160212: biotite–hornblende tonalite, Corunna Downs Homestead (Nandingarra Granodiorite, Corunna Downs Granitoid Complex) ................................................................................................................. 96 160218: porphyritic dacite, Fieldings Gully Well ............................................................................................................ 99 160220: tuffaceous rhyolite, Fieldings Gully Well (Wyman Formation, Warrawoona Group) ................................... 103 160221: tuffaceous rhyolite, Shark Well (Panorama Formation, Warrawoona Group) .............................................. 106 168989: coarse volcaniclastic metasandstone, Cooke Bluff Hill (Panorama Formation, Warrawoona Group) ........ 109 168990: quartzite, Cooke Bluff Hill (Gorge Creek Group) ........................................................................................... 113 iii 168991: volcaniclastic metasandstone, Montey Bore (Coonterunah Group or Warrawoona Group) ........................ 117 168993: volcaniclastic metasandstone, Bob Bore (Coonterunah Group) ..................................................................... 121 168995: altered rhyolite, Farrel Well (Coonterunah Group or Warrawoona Group) .................................................. 125 168996: altered coarse crystal tuff, Farrel Well (Warrawoona Group) ......................................................................... 129 168997: quartzite, Farrel Well (Gorge Creek Group) .................................................................................................... 133 169000: volcaniclastic sandstone, Cork Tree Well (Wyman Formation, Warrawoona Group) ................................... 137 169008: quartz–sericite schist, Coongan Belt Well (Panorama Formation, Warrawoona Group) ............................. 141 169014: foliated biotite hornblende quartz diorite, Mount Gratwick (Cockeraga Leucogranite, Yule Granitoid Complex) ................................................................................................................................... 144 169016: foliated leucocratic biotite quartz diorite, Mount Gratwick (Cockeraga Leucogranite, Yule Granitoid Complex) ................................................................................................................................... 148 169018: biotite monzogranite, Cunmagnunna Hill (Beabea Monzogranite, Yule Granitoid Complex) ....................... 151 169019: recrystallized biotite–hornblende quartz diorite, Redmont Camp (Tambourah Monzogranite, Yule Granitoid Complex) ................................................................................................................................... 154 169021: leucocratic syenogranite gneiss, Birthday Gift mine (Carlindi Granitoid Complex) ..................................... 158 169031: biotite tonalite gneiss, Limestone Well (Fig Tree Gneiss Complex, Mount Edgar Granitoid Complex) ...... 161 169038: biotite–hornblende granodiorite, Outcamp Bore (Yandicoogina Granodiorite, Mount Edgar Granitoid Complex) .................................................................................................................... 164 Proterozoic intrusion, Pilbara Craton 144683: hornblende–quartz monzonite, Pelican Pool .................................................................................................... 167 Mallina Basin, Pilbara Craton 169025: rhyolite, Knaptons Well ..................................................................................................................................... 171 Mosquito Creek Basin, Pilbara Craton 169030: hornblende–biotite quartz monzodiorite, Granite Hill Well ............................................................................ 174 Leeuwin Complex, Pinjarra Orogen 169001: biotite–hornblende–clinopyroxene syenogranite gneiss, Sugarloaf Rock (Cowaramup Gneiss) ................... 178 169002: biotite–hornblende–clinopyroxene–magnetite
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