Related by context. Frequent words. (Click for all words.) 70 disseminated pyrite 70 chlorite 69 biotite 68 quartz veinlets 67 pyrite chalcopyrite 66 sericite 66 quartz stockwork 65 siltstones 65 sphalerite 65 copper oxides 64 schists 64 argillic alteration 64 graphitic 64 arsenopyrite 64 siliceous 64 potassic alteration 64 molybdenite 64 clasts 63 Mineralization occurs 63 hydrothermal breccia 62 disseminated sulphides 62 pyrrhotite 62 pyroxenite 62 veinlets 62 clay alteration 62 gneiss 62 hydrothermal breccias 62 mafic volcanics 61 bornite 61 chalcocite 61 quartz carbonate 61 breccia zones 61 stockworks 61 dacite 61 sulphide minerals 61 interbedded 61 limonite 61 tuffs 61 disseminations 60 chalcopyrite 60 hydrothermally altered 60 haematite 60 weakly mineralized 60 brecciation 60 sulphide bearing 60 ultramafic rocks 60 pyritic 60 brecciated 60 galena 59 iron oxides 59 carbonaceous 59 argillite 59 silicified 59 silicification 59 surficial 59 metasedimentary rocks 59 stockwork 58 quartz veining 58 intercalated 58 pyrite 58 coarse grained 58 stockwork mineralization 58 sulfides 58 andesite 58 semi massive sulphides 58 mudstone 57 mafic volcanic rocks 57 copper Cu 57 monzonite 57 semi massive sulphide 57 felsic 56 oxidised 56 veining 56 diorite 56 beryl 56 gabbro 56 intrusives 56 hydrothermal alteration 56 breccias 56 spinel 56 jasperoid 56 quartz veins 56 stratabound 56 syenite 55 calcrete 55 calcareous 55 iron oxide 55 malachite 55 igneous 55 feldspar 55 carbonatite 55 banded iron 55 calcite 55 Al#O# 55 felsic volcanic 55 sulfide mineralization 55 basaltic 55 sulphides 55 mineralization grading 55 carbonate replacement 54 schist