Related by context. Frequent words. (Click for all words.) 73 argillic alteration 70 brecciation 70 potassic alteration 66 quartz stockwork 66 clay alteration 66 hydrothermal alteration 64 hydrothermal breccias 63 biotite 63 sericite 62 quartz veinlets 62 hydrothermal breccia 62 quartz veining 62 breccia zones 62 silicification 61 hydrothermally altered 61 siliceous 61 alteration zones 61 Mineralization occurs 60 carbonate replacement 60 quartz carbonate 60 gossans 60 stockworks 59 schists 59 siltstones 59 pyroclastic 59 disseminated mineralization 59 disseminated pyrite 59 chlorite 59 semi massive sulphides 59 bornite 59 felsic 59 chalcocite 59 pyroxenite 59 surficial 58 stratabound 58 mafic volcanic rocks 58 jasperoid 58 ultramafic rocks 58 stockwork mineralization 58 dacite 58 disseminated sulphides 58 semi massive sulphide 58 stockwork 57 haematite 57 mafic volcanics 57 hydrothermal activity 57 mineralization occurs 57 sulphide bearing 57 interbedded 57 limonite 57 brecciated 57 skarn mineralization 56 clasts 56 calcareous 56 radiometric anomaly 56 pyrrhotite 56 syenite 56 anomalous radioactivity 56 tuffs 56 bearing quartz veins 56 epithermal vein 55 gravity anomaly 55 structurally controlled 55 copper oxides 55 breccia zone 55 banded iron 55 porphyry mineralization 55 graphitic 55 sulphide minerals 55 pathfinder elements 55 massive sulphide deposits 55 PGE mineralization 54 porphyries 54 metasedimentary rocks 54 gabbro 54 mineralization grading 54 intrusives 54 shear zones 54 veinlets 54 overlies 54 massive sulphide mineralization 54 steeply dipping 54 magmatic 54 monzonite 54 sulfide mineralization 54 Uranium mineralization 53 hangingwall 53 geophysical anomaly 53 galena 53 chargeability anomalies 53 mineralized horizons 53 breccias 53 volcanogenic massive sulphide VMS 53 andesite 53 sphalerite 53 auriferous 53 depositional 53 intrusive rocks 53 carbonaceous 53 anomalous uranium 53 lithologies