Related by context. Frequent words. (Click for all words.) 64 hydrothermally altered 64 magmas 64 hydrothermal breccia 64 pyroclastic 64 magma chamber 64 magmatic 63 surficial 63 mineralizing 63 clasts 63 mafic volcanic rocks 63 sulphide bearing 62 copper oxides 62 hydrothermal breccias 62 extensional 62 hydrothermal 62 jasperoid 61 siliceous 61 graben 61 ultramafic rocks 60 mafic volcanics 60 peridotite 60 breccia zones 60 breccia pipe 60 carbonate 60 quartz veinlets 60 igneous rock 60 schists 60 breccia pipes 60 breccia zone 60 hydrothermal activity 59 skarn mineralization 59 dacite 59 monzonite 59 tuffs 59 pyroxenite 59 metasedimentary rocks 59 sulfides 59 potassic alteration 59 lavas 59 supergene 59 carbonate rocks 59 bornite 59 sulfide mineralization 59 iron oxides 58 skarns 58 sulphide minerals 58 breccias 58 felsic 58 stratabound 58 intrusive rocks 58 felsic volcanic 58 intrusives 58 lava tubes 58 NE trending 58 gossans 58 pyritic 58 ultramafic 58 brecciation 58 weakly mineralized 58 graphitic 58 chalcocite 58 quartz stockwork 58 lithology 58 magma 58 desorption 58 oceanic crust 58 igneous rocks 57 gabbro 57 lithosphere 57 breccia 57 pathfinder elements 57 stockwork mineralization 57 sulphides 57 diatreme 57 basaltic 57 porphyry mineralization 57 siltstones 57 shear zones 57 lithologic 57 brecciated 57 mantos 57 calcite 57 argillic alteration 56 crustal 56 mafic 56 glacial till 56 depositional 56 EM conductors 56 hangingwall 56 alteration zones 56 olivine 56 disseminated mineralization 56 facies 56 carbonaceous 56 mineralized lenses 56 basalts 56 pyrite chalcopyrite 56 clay alteration 56 sericite 56 porphyries 56 biotite