BOOTU CREEK MANGANESE PROJECT GEOLOGY LEGEND 2018 Code Weathering Code Grain Size Code Minerals cont. tc transported cover vfg very fine grained lim limonite hw highly weathered fg fine grained mal malachite mw moderately weathered mg medium grained mn manganese lw lightly weathered cg coarse grained mic mica fr fresh rock cn conglomerate pyr pyrite Lithology Colour Intensity qtz quartz ba basalt bt bright sil silica bs black shale dk dark sul sulphide ca canga lt light Mineralisation Style cb carbonate md medium den dendritic cc calcrete mo mottled dis disseminated ch chert Colour frg fragmental cn conglomerate bg beige hds highly disseminated cy* clay bl black mas massive do* dolomite br brown mtx matrix fi fill / waste bu blue pat patchy gi* goethitic ironstone cr cream sdy sandy gv* gravel gn green str stringer hc hard cap gy grey vit vitreous/siliceous hi* hematitic ironstone kh khaki vns veins mn manganese (secondary lith only) or orange vug vuggy ms manganiferous sandstone pb pink brown Alteration nl not logged pi pink bl bleached ns no sample pn purple brown cb carbonate pi* pisolites pr purple red do dolomitic qt quartzite pu purple go goethitic qv quartz veining rb red brown gr green sd sand rd red he hematitic sh shale wh white ka kaolin si silcrete yb yellow brown sc silica + carbonate sl* siltstone ye yellow si siliceous sls* interbedded sand-siltstone yg yellow green Structure so soil Minerals ban banded ss* sandstone azr azurite bed bedded vo void / cavity bar barite brx brecciated * Mineralised + Lithology bio biotite cbv carbonate veins $1 + 80% massive Mn (+40%Mn) bor bornite con concoidal fracture $2 60-80% massive Mn (30-40%Mn) cab carbonate cry crystalline $3 40-60% massive Mn (20-30%Mn) cal calcite fol foliated $4 20-40% minor Mn (10-20%Mn) cha chalcedony fld fold $5 10-20% weak Mn (5-10% Mn) chl chlorite flt fault Texture cly clay jnt joint ban banded cpy chalcopyrite qcv quartz-carbonate veins bed bedded dol dolomite qzv quartz veins bot botryoidal fe ferrous shr shear bx breccia fel feldspar H2O lam laminated gal galena dr dry lin lineated gla glauconite dm damp mas massive goe goethite wd wet-damp mot mottled gra graphite w wet: <2 lts/sec vug vuggy hem hematite ww very wet: 2-10 lts/sec xbd cross bedded kao kaolinite xw extremely wet: >10 lts/sec