Related by context. Frequent words. (Click for all words.) 66 clasts 65 hydrothermally altered 63 hydrothermal breccia 63 graphitic 63 andesitic 62 siliceous 62 vuggy silica 62 potassic alteration 62 sulphide bearing 62 hydrothermal breccias 62 brecciation 61 pyrite chalcopyrite 61 breccia zones 61 quartz veinlets 61 depositional 61 magmatic 61 pyroxenite 61 argillic alteration 61 quartz stockwork 61 mafic volcanic 61 lithologic 60 Upper Cretaceous 60 siltstones 60 NE trending 60 hydrothermal alteration 60 mafic volcanics 60 schists 60 weakly mineralized 60 metasedimentary rocks 60 facies 60 felsic volcanic 60 stockwork mineralization 60 intrusives 60 surficial 60 hornfels 60 stratabound 60 interbedded 60 mafic 60 jasperoid 59 mafic volcanic rocks 59 gravity anomalies 59 alteration mineralization 59 sericite 59 stratiform 59 andesite 59 tuffs 59 lithology 59 kimberlitic 59 diorite 59 biotite 59 kaolinite 59 carbonaceous 59 felsic 58 quartz monzonite 58 quartz carbonate 58 hydrothermal activity 58 calcareous 58 monzonite 58 ultramafic rocks 58 granitic 58 pyrite mineralization 58 carbonate replacement 58 stockworks 58 lithological 58 deformation 58 lithologies 58 igneous 58 gabbro 57 Mineralization occurs 57 NW trending 57 ultramafic 57 metamorphic rocks 57 syenite 57 igneous rocks 57 graben 57 chalcocite 57 sulphide minerals 57 copper oxides 57 diatreme 57 syncline 57 lithosphere 57 brecciated 57 hangingwall 57 Deformation 57 potassic 56 Fig. 1A 56 gneisses 56 gossans 56 Mineralization consists 56 mudstones 56 crustal 56 en echelon 56 mantos 56 disseminated pyrite 56 dacite 56 basaltic 56 resistivity anomaly 56 calcrete 56 felsic volcanic rocks 56 anisotropy 56 limonite