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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 DescriptionKm Marree Subgroup Shale, dark grey, bioturbated, fossiliferous; sandstone, fineto very fine grained, calcareous, clayey.Kmb Bulldog Shale Mudstone, grey, bioturbated, fossiliferous and shaly; minorsilt to very fine-grained sandstone intervals.Kmc Coorikiana Sandstone Sandstone, fine-grained, calcareous, clayey; sandy siltstone;minor siltstoneKmo Oodnadatta Formation Claystone and siltstone,interbedded; with fine-grainedsandstone, calcareous and ferruginous concretions;limestone with celestite and baryte veins.Knc Cadna-owie Formation Sandstone, fine-grained, with coarse-grained sandstonebeds, and pale grey siltstone, minor conglomerate.Knm Mackunda Formation Sandstone, calcareous; siltstone; shaleKnr Parabarana Sandstone Sandstone, calcareous, with clasts <strong>of</strong> quartz, quartzite, andporphyry; sand, gravel and shale. U shaped burrows ando<strong>the</strong>r fossilsKnw Winton Formation Shale; siltstone; sandstone. Non-marine, minor coal horizonsKTa Unnamed GIS Unit - see description Undifferentiated Cretaceous-Paleocene rocksKta_dw Unnamed GIS Unit - see description Undifferentiated deep wea<strong>the</strong>ringK-u Murta Formation Siltstone, dark grey, argillaceous and carbonaceous withinterbedded fine to very fine-grained sandstone.K-um McKinlay Member Sandstone, buff, very-fine to medium-grained interbeddedwith dark grey carbonaceous and micaceous siltstone.L Unnamed GIS Unit - see description Undifferentiated Palaeoproterozoic rocks.L2 Unnamed GIS Unit - see description Feldspar-hornblende amphibolite. Based on Prot-beta3 onOLARYLE Unnamed GIS Unit - see description Undifferentiated Palaeoproterozoic to Cambrian (Proterozoicto Cambrian) rocks.LM Unnamed GIS Unit - see description Undifferentiated Palaeo-Mesoproterozoic rocksLN Unnamed GIS Unit - see description Undifferentiated Palaeo-Neoproterozoic rocks (Proterozoicundifferentiated)Lr Radium Creek Metamorphics Schist, psammitic to pelitic, garnet-sericite, quartz-feldsparmica;gneiss, calc-silicate, quartz-feldspar-mica; amphibolite,calc-silicate, siliceous; marble, calc-silicate; quartzite,orthoquartzite, feldspathic; migmatiteLr1 Unnamed GIS Unit - see description Calcsilicate-marble. CALLABONNA: interim unit forcompilation.Lw Willyama Supergroup Composite gneiss suite; calc-silicate suite; amphibolite;quartz<strong>of</strong>eldspathic gneiss.Lw1 Unnamed GIS Unit - see description Undiff. schist,gneiss,quartzite,migmatite. Based on Prot-wson CURNAMONA and OLARYLw18 Unnamed GIS Unit - see description Siliceous metasiltstone. Based on unit Prot-wt onCURNAMONAPage 142 <strong>of</strong> 151

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