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Sedimentary Rocks Greenstones 29 47
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acid amphibolite andalusite angle appears asphaltum auriferous bands basalt beds belt biotite bore boundary carbon Caudan cent Chloritoid consists country rock crosscut crushed crystals decomposed deﬁnite deposits depth district dolerite drive dyke east eastern fault feet level felspar ferruginous ﬁbrous ﬁeld ﬁne ﬁne-grained ﬁrst ﬁssures ﬂat foliated formation garnets geological gold Goldﬁeld grains granite greenstone hornblende inches intrusive iron ironstone Kalgoorlie kaolin laterite latter lease lenses limonite lode magnetite main shaft Marvel Loch material mica miles mineral mining Molybdenite Mountain Queen occur origin ottrelite outcrop oxide pegmatite petroleum plates porphyry portion probably pyrites pyrrhotite quartz quartz reefs quartz veins reef ridge River Riverina sample sand sandstone schist schistose seams sedimentary seen silica southern speciﬁc gravity specimens stone stoped strike sulphide sunk surface thickness underlie vertical Warren River Western Australia width winze Yerilla King Yilgarn