Related by context. Frequent words. (Click for all words.) 63 hydrothermal breccias 63 siliceous 62 tuffs 62 biotite 62 stockworks 61 sericite 61 calcareous 60 argillic alteration 60 bornite 59 sphalerite 59 pyrrhotite 59 metasedimentary rocks 59 breccia zones 59 pyritic 59 galena 59 chalcocite 59 chlorite 59 arsenopyrite 59 jasperoid 58 brecciation 58 disseminations 58 chalcopyrite 58 felsic 58 breccias 58 silicified 58 silicification 58 potassic alteration 58 mineralization occurs 58 quartz veins 58 kimberlitic 58 stockwork 57 veinlets 57 pathfinder elements 57 disseminated pyrite 57 limonite 57 epithermal vein 57 brecciated 57 intrusives 57 sulphide bearing 57 disseminated sulphides 56 quartz veining 56 sulphides 56 volcanogenic massive sulphide VMS 56 steeply dipping 56 metasediments 56 Uranium mineralization 55 coarse grained 55 molybdenite 55 outcrops 55 argillite 55 siltstone 55 basalts 55 malachite 55 stratabound 55 banded iron 55 quartz vein 54 iron oxides 54 hydrothermal alteration 54 graphitic 54 mafic 54 massive sulphides 54 structurally controlled 54 syenite 54 alteration zones 54 nodular 54 auriferous 54 clay alteration 54 gneiss 54 mudstone 54 breccia 54 pegmatite 53 skarn mineralization 53 facies 53 gossan 53 ultramafic rocks 53 lithological 53 mineralized porphyry 53 Mineralized 53 overlies 53 basaltic 53 garnets 53 pegmatites 53 andesite 53 breccia zone 53 porphyries 53 alluvium 53 mantos 52 stippled 52 artisanal workings 52 sulfide mineralization 52 veining 52 striated 52 intrusive rocks 52 bearing quartz veins 52 carbonatite 52 limestones 52 lithologies 52 skarn 52 shear zones 52 high sulphidation 52 calcite