Related by context. Frequent words. (Click for all words.) 66 hydrothermal breccia 66 sulphide bearing 66 quartz stockwork 65 Mineralization occurs 65 breccia zones 65 stockworks 64 quartz carbonate 64 hydrothermal breccias 64 pyrite chalcopyrite 64 quartz veinlets 64 brecciated 64 sericite 63 schists 63 hydrothermally altered 63 Anomalous gold 63 disseminated pyrite 63 potassic alteration 63 pyroxenite 63 bornite 63 semi massive sulphide 63 breccia zone 63 skarn mineralization 63 mafic volcanic rocks 62 dacite 62 stockwork mineralization 62 siliceous 62 mafic volcanics 62 clasts 62 disseminated sulphides 62 pathfinder elements 62 siltstones 61 weakly mineralized 61 veinlets 61 anomalous copper 61 Veta Madre 61 diorite 61 chalcocite 61 mineralized veins 61 skarns 61 jasperoid 61 porphyries 61 biotite 61 ultramafic rocks 60 galena 60 stratabound 60 pyritic 60 quartz veins 60 mudstone 60 arsenopyrite 60 gossans 60 tuffs 60 ppm molybdenum 60 sphalerite 60 monzonite 60 Uranium mineralization 60 silicified 60 clay alteration 60 argillic alteration 60 stockwork 60 quartz veining 59 mineralization occurs 59 chlorite 59 carbonate replacement 59 shear zones 59 metasedimentary rocks 59 banded iron 59 #.#g t gold [001] 59 silicification 59 chalcopyrite 59 Reverse circulation 59 siltstone 59 granodiorite 59 intrusive rocks 59 interbedded 59 alteration zones 59 andesite 58 breccias 58 ppm U 58 hydrothermal alteration 58 syenite 58 gabbro 58 semi massive sulphides 58 pyrrhotite 58 mineralized porphyry 58 stockwork zone 58 sulfide mineralization 58 brecciation 58 structurally controlled 58 mineralized horizons 58 bearing quartz veins 57 #.#g t Au [004] 57 intrusives 57 northeast trending 57 oz ton silver 57 massive sulphide deposits 57 mineralized lenses 57 epithermal vein 57 sulphides 57 anomalous uranium 57 mineralized vein 57 supergene