Related by context. Frequent words. (Click for all words.) 71 siliceous 70 limestones 69 mudstone 69 siltstone 68 brecciated 68 biotite 68 chlorite 67 tuffs 67 basalts 67 argillite 67 sericite 67 basalt 67 gneiss 67 chalcocite 67 basaltic 67 pyritic 66 graphitic 66 felsic 66 syenite 66 hydrothermal breccias 65 carbonaceous 65 calcite 65 metasedimentary rocks 65 sedimentary 65 metasediments 65 jasperoid 65 iron oxides 65 andesite 65 bornite 64 olivine 64 silicified 64 gabbro 64 breccia zones 64 ultramafic rocks 64 sulphide bearing 64 intrusives 63 veinlets 63 schist 63 granites 63 diorite 63 mafic 63 granitic 62 stratabound 62 chert 62 intrusive rocks 62 galena 62 potassic alteration 62 lithologies 62 breccias 62 quartzite 62 overlies 62 carbonate 62 silicification 62 sphalerite 62 arsenopyrite 61 disseminated pyrite 61 rhyolite 61 carbonatite 61 graben 61 limonite 61 coarse grained 61 sandstones 61 igneous 61 pyrrhotite 61 facies 60 molybdenite 60 peridotite 60 alluvium 60 carbonate rocks 60 ultramafic 60 stockworks 60 disseminated sulphides 60 banded iron 60 sedimentary rocks 60 hangingwall 59 volcanic rocks 59 sedimentary rock 59 volcanics 59 breccia 59 granodiorite 59 overlie 59 mineralization occurs 59 disseminations 59 dolomite 59 glacial till 59 oxidised 59 lavas 59 limestone 58 sulphides 58 outcrops 58 steeply dipping 58 sulfide mineralization 58 sulfides 58 gravels 58 sandstone 58 skarn mineralization 58 chalcopyrite 58 quartz veins 58 pegmatite 58 marl 58 saprolite