Related by context. Frequent words. (Click for all words.) 66 mafic volcanics 63 tuffs 63 metasedimentary rocks 62 syenite 62 granitic 61 limestones 61 andesite 61 diorite 60 gneiss 60 argillite 60 pyroxenite 60 bornite 59 calcareous 59 siliceous 59 jasperoid 59 intrusives 59 metasediments 59 felsic 58 mafic 58 ultramafic rocks 58 Uranium mineralization 58 siltstone 58 stockworks 58 overlies 57 igneous 57 brecciated 57 gabbro 57 breccia zones 57 magmatic 57 granites 57 hydrothermal alteration 57 porphyries 57 surficial 57 sulphide bearing 57 graben 57 argillic alteration 57 carbonate rocks 57 ultramafic 56 stratabound 56 intrusive rocks 56 sericite 56 clay alteration 56 hydrothermal activity 56 quartz carbonate 56 sulphide minerals 56 basalts 56 depositional 56 interbedded 56 pluton 55 Proterozoic 55 granodiorite 55 mineralization occurs 55 schist 55 carbonaceous 55 breccias 55 dolomite 55 shear zones 55 pyritic 55 sedimentary rocks 55 Precambrian 55 hangingwall 55 biotite 54 Paleozoic 54 chlorite 54 potassic alteration 54 haematite 54 volcanics 54 pegmatites 54 sulfide mineralization 53 sphalerite 53 disseminated pyrite 53 glacial till 53 lithologies 53 silicified 53 pegmatite 53 spatially associated 53 chalcocite 53 banded iron 53 quartz veinlets 53 hydrothermal breccias 53 galena 53 brecciation 53 basaltic 53 breccia 53 rhyolite 53 Ordovician 53 olivine 53 carbonatite 52 skarn mineralization 52 mudstone 52 arsenopyrite 52 overlie 52 sedimentary rock 52 northeast trending 52 quartz veining 52 mantos 52 breccia pipe 52 graphitic 52 mineralizing 52 stockwork 52 limonite