Related by context. Frequent words. (Click for all words.) 72 breccia zones 71 hydrothermally altered 71 andesitic 71 NE trending 69 siltstones 69 jasperoid 69 granitic rocks 69 hydrothermal breccias 68 NW trending 68 mafic volcanics 68 clasts 68 chalcopyrite mineralization 68 hornfels 68 hydrothermal breccia 67 sulphide bearing 67 Mineralization occurs 67 schists 67 mafic volcanic rocks 67 siliceous 67 quartz stockwork 67 quartz veinlets 67 graben 66 stratabound 66 mafic volcanic 66 weakly mineralized 66 metasedimentary rocks 66 hangingwall 66 porphyries 66 extensional 66 quartz carbonate 66 Mineralization consists 66 gneisses 65 stockwork zones 65 stratiform 65 andesite 65 quartz monzonite 65 stockworks 65 gravity anomalies 65 graphitic 65 mantos 65 pyrite chalcopyrite 65 en echelon 65 felsic 65 ultramafic rocks 65 vuggy silica 64 sericite 64 felsic volcanic rocks 64 felsic volcanic 64 lithologic 64 intrusives 64 stockwork mineralization 64 pyroxenite 64 geochemically anomalous 64 breccias 64 alteration mineralization 64 quartz carbonate veins 64 breccia pipe 64 skarn mineralization 64 dacite 64 mafic 64 hydrothermal alteration 64 structurally controlled 63 steeply dipping 63 kaolinite 63 limestones 63 intrusive rocks 63 tuffs 63 Mineralized 63 volcanics 63 pyrite mineralization 63 tetrahedrite 63 Veta Madre 63 brecciated 63 brecciation 63 interbedded 63 northwest trending 63 skarns 63 chalcocite 63 high sulphidation 63 epithermal veins 63 argillic alteration 63 metamorphic rocks 63 copper molybdenum porphyry 62 NAD# [001] 62 stockwork zone 62 massive sulfides 62 conductive zones 62 pyroclastic 62 lithological 62 erosional 62 spatially associated 62 bornite 62 shear zones 62 mineralized porphyry 62 EM conductors 62 clay alteration 62 Filo de Oro 62 diatreme 62 breccia pipes 62 carbonate replacement 62 carbonaceous