Related by context. Frequent words. (Click for all words.) 72 chalcocite 71 galena 71 bornite 69 malachite 68 beryl 67 gossans 67 garnets 67 siliceous 67 sericite 67 sulphide minerals 66 sphalerite 66 schists 66 disseminated pyrite 66 argillite 66 iron oxides 65 argillic alteration 65 biotite 65 disseminated sulphides 65 siltstones 64 clasts 64 quartz veinlets 64 arsenopyrite 63 chalcopyrite 63 limonite 63 haematite 63 copper oxides 63 calcite 63 hydrothermal breccia 62 pyroxenite 62 hydrothermally altered 62 pyrrhotite 62 pyritic 62 chlorite 62 Mineralization occurs 62 brecciation 62 Uranium mineralization 62 tuffs 62 hydrothermal breccias 61 pegmatites 61 skarn mineralization 61 porphyries 61 carnelian 61 mafic volcanics 61 stockworks 61 olivine 61 dacite 61 molybdenite 61 ultramafic rocks 61 kimberlitic 61 igneous rocks 61 potassic alteration 61 breccia zones 61 feldspar 61 massive sulphide deposits 60 clay alteration 60 jasper 60 sulphides 60 semi massive sulphides 60 veinlets 60 quartz carbonate 60 calcareous 60 interbedded 60 mudstone 60 pathfinder elements 60 semi massive sulphide 60 carbonate replacement 60 stratabound 59 igneous rock 59 silicification 59 sulfides 59 tourmaline 59 syenite 59 spodumene 59 chert 59 sulphide bearing 59 banded iron 59 basalts 59 alteration zones 59 hematite 59 peridot 58 sulfide mineralization 58 oxide copper 58 sulphide zones 58 veining 58 metasedimentary rocks 58 monazite 58 massive sulphides 58 carbonaceous 58 artisanal workings 58 Chromite 58 intrusives 58 porphyry mineralization 58 jasperoid 58 bearing quartz vein 58 hydrothermal alteration 58 gossan 57 surficial 57 graphitic 57 mafic volcanic rocks 57 carbonatite 57 high sulphidation