Related by context. Frequent words. (Click for all words.) 76 hydrothermal alteration 76 argillic alteration 76 sericite 76 sulphide bearing 76 potassic alteration 74 breccia zones 74 bornite 74 siliceous 73 metasedimentary rocks 73 stockworks 73 jasperoid 73 skarn mineralization 73 mineralization occurs 73 clay alteration 73 stratabound 73 hydrothermal breccias 72 pathfinder elements 72 disseminated sulphides 72 biotite 72 disseminated pyrite 72 brecciation 72 alteration zones 71 sulfide mineralization 71 ultramafic rocks 71 stockwork 71 chalcocite 71 structurally controlled 71 syenite 70 silicification 70 arsenopyrite 70 sulphide mineralization 70 massive sulphide mineralization 70 pyritic 70 intrusives 70 felsic 70 spatially associated 70 hangingwall 70 disseminated mineralization 70 mafic 69 brecciated 69 copper mineralization 69 Uranium mineralization 69 porphyries 69 Mineralisation 69 mineralized porphyry 69 auriferous 69 porphyry style 69 gravity anomaly 69 veinlets 69 mineralized horizons 69 anomalous copper 69 sphalerite 68 siltstone 68 banded iron 68 gabbro 68 graphitic 68 tuffs 68 quartz veining 68 chlorite 68 steeply dipping 68 soil geochemical anomalies 68 anomalous uranium 68 sulphide zones 68 silicified 68 soil geochemical anomaly 68 soil anomalies 68 epithermal vein 68 unconformity 68 intrusive rocks 68 breccia 68 shear zones 68 gossan 68 artisanal workings 68 limonite 68 Geological mapping 68 radiometric anomaly 68 pegmatites 68 Au Ag 68 chalcopyrite 67 bearing quartz veins 67 volcanogenic massive sulphide VMS 67 breccia zone 67 andesite 67 pyrrhotite 67 chargeability anomaly 67 geophysical anomaly 67 overlies 67 anomalous radioactivity 67 skarn 67 massive sulphides 67 magnetic anomalies 67 granodiorite 67 argillite 67 mineralizing system 67 volcanics 67 metasediments 67 kimberlitic 67 molybdenum mineralization 67 Cu Au 66 geochemical anomalies 66 breccias