Related by context. Frequent words. (Click for all words.) 74 sericite 73 biotite 71 potassic alteration 71 quartz veinlets 70 breccia zones 70 argillic alteration 70 chalcocite 70 silicification 69 bornite 69 brecciation 69 hydrothermal breccias 69 siliceous 68 brecciated 68 chlorite 67 clay alteration 67 mafic volcanics 67 graphitic 67 disseminated pyrite 67 interbedded 67 pyrrhotite 67 ultramafic rocks 66 metasedimentary rocks 66 sulphide minerals 66 hydrothermal alteration 66 sulphide bearing 65 jasperoid 65 stratabound 65 stockworks 65 felsic 65 andesite 65 syenite 65 olivine 65 sphalerite 65 mafic 64 veinlets 64 quartz veining 64 limonite 64 pyritic 64 diorite 64 intrusive rocks 63 siltstone 63 steeply dipping 63 pathfinder elements 63 tuffs 63 silicified 63 arsenopyrite 63 facies 63 calcareous 62 peridotite 62 Uranium mineralization 62 intercalated 62 stockwork 62 banded iron 62 alteration zones 62 disseminated sulphides 62 chalcopyrite 62 iron oxides 61 galena 61 breccias 61 gabbro 61 skarn mineralization 61 carbonaceous 61 intrusives 61 mineralization occurs 61 breccia 61 supergene 61 lithologies 61 disseminated mineralization 61 structurally controlled 61 carbonatite 61 magmatic 61 metasediments 61 sulphides 61 gravity anomaly 60 molybdenite 60 graben 60 sulfide mineralization 60 disseminations 60 argillite 60 massive sulphide mineralization 60 volcanics 60 mantos 60 shear zones 60 hangingwall 60 coarse grained 60 hydrothermal activity 60 chargeability anomaly 60 lithological 60 granodiorite 60 mineralizing system 60 breccia zone 60 mineralized porphyry 60 quartz veins 60 rhyolite 60 limestones 60 gneiss 59 ultramafic 59 basalts 59 surficial 59 skarn 59 copper Cu