Uranium ore-forming systems of the - Geoscience Australia
Uranium ore-forming systems of the - Geoscience Australia
Uranium ore-forming systems of the - Geoscience Australia
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<strong>Uranium</strong> <strong>ore</strong>-<strong>forming</strong> <strong>systems</strong> <strong>of</strong> <strong>the</strong> Lake Frome regionMap Symbol Stratigraphic Name Stratigraphic DescriptionLw19 Unnamed GIS Unit - see description Schist, aluminous/carbonaceous/chloritoid . Based on unitProt-wk on CURNAMONALw2 Unnamed GIS Unit - see description Migmatite,gneiss,granitoids. Based on Prot-wm onCURNAMONA and OLARYLw9 Unnamed GIS Unit - see description Quartz-magnetite+/-albite rock,sulfides,barite. Based on unitf on OLARYLwb Broken Hill Group Ironstone; sulfide rich; marble; plagioclase richmetasediment; calc-silicate; siliciclastic pelite; BIF;amphibolite, variably brecciated.Lwbmb Bimba Sulfide Member Ironstone, sulfide-rich; banded iron silicate formation; thinunits and lenses <strong>of</strong> calcsilicate; marble; calc-albitite;plagioclase-rich metasediment in graphitic psammitic-peliticmetasediment.Lwt Thackaringa Group Gneiss, quartz-feldspar-biotite, foliated; calc-albitite andquartz-plagioclase rich metasediment; metavolcanics1699+/-10 Ma; ironstone; calc-silicate; minor Pb-Zn-Ag-Cumineralisation; minor amphibolite.M Unnamed GIS Unit - see description Undifferentiated Mesoproterozoic rocks.M1 Unnamed GIS Unit - see description Syn- to late tectonic granite to adamellite; pegmatoids.Based on Prot-gamma on OLARY and CURNAMONAM4 Unnamed GIS Unit - see description Undifferentiated amphibolite. Based on Prot-beta1 onOLARYM5 Unnamed GIS Unit - see description Metabasalt with pillow structures. Based on Prot-v2 onCURNAMONAM6 Unnamed GIS Unit - see description Trachyte metavolcanics, <strong>of</strong>ten porphyritic. Based on Prot-v1on CURNAMONAM7 Unnamed GIS Unit - see description Metasiltstone, shale, greywacke. Based on Prot-m onCURNAMONAM-fc Corundum Creek Schist Member Schist, sandy; quartzite; muscovite-biotite and corundumspinelschists.Mm Moolawatana Suite Felsic intrusive rocks.mm Unnamed GIS Unit - see description Man-made materials: for example fill, dumps, concrete.Mmb Box B<strong>ore</strong> Granite Granite, coarse-grained, alkaline, potassic and foliated. Withfluorite and allanite accessory minerals.Mmt Terrapinna Granite Granite, grey, ovoid K feldspar megacrysts.M-n Mount Neill Granite Granite, red-wea<strong>the</strong>ring, K feldspars.N Unnamed GIS Unit - see description Undifferentiated Neoproterozoic rocks.Nal Wooltana Volcanics Metasediments; marble; trachyte;sandstone; schist;phyllite;bsasl conglomerate.Nau Cutana beds Quartzite; schist; siltstoneNaw Wywyana Formation Calcsilicate; marble; actinolite amphibolite.Nb Burra Group Siltstone, laminated; shale; sandstone, heavy minerallamination, quartzose to feldspathic, cross bedding;dolomite, blue-grey to pale pink, lenticular.Page 143 <strong>of</strong> 151