Related by context. Frequent words. (Click for all words.) 65 glacial till 63 clasts 61 jasperoid 61 weakly mineralized 61 hydrothermal breccia 60 breccia zones 60 vuggy silica 60 pyritic 60 kaolinite 59 stratiform 59 pyrite mineralization 59 hydrothermal breccias 59 quartz veinlets 59 sulphide bearing 59 calcrete 59 hydrothermally altered 58 tuffs 58 argillic alteration 58 Mineralization occurs 58 alluvium 58 semi massive sulphide 58 basaltic 58 talus 58 siliceous 58 pyroxenite 57 quartz stockwork 57 interbedded 57 potassic alteration 57 pyrite chalcopyrite 57 sericite 57 breccia pipes 57 bornite 57 schists 57 brecciation 56 quartz carbonate 56 copper oxides 56 magnetite mineralization 56 pyroclastic 56 sulphide minerals 56 gossans 56 haematite 56 stockwork 56 stratabound 56 graben 56 felsic volcanic 56 supergene 55 surficial 55 mafic volcanics 55 carbonate replacement 55 biotite 55 skarn mineralization 55 alteration zones 55 gravels 55 geochemically anomalous 55 auriferous 54 ultramafic rocks 54 felsic volcanic rocks 54 pyrrhotite 54 breccia pipe 54 hydrothermal alteration 54 magmatic 54 brecciated 54 hangingwall 54 sulfide mineralization 54 clay alteration 54 veinlets 54 en echelon 54 disseminated sulphides 54 semi massive sulphides 54 Mineralized 54 siltstone 54 dacite 54 mafic volcanic rocks 54 gossan 54 siltstones 54 bearing quartz veins 54 hornfels 54 diatreme 54 lithological 53 NE trending 53 stockwork mineralization 53 anomalous radioactivity 53 stockworks 53 igneous rock 53 epithermal vein 53 NW trending 53 gravity anomaly 53 mineralized lenses 53 mineralized porphyry 53 mineralized vein 53 mineralizing system 53 outcrops 53 sulphides 53 disseminated pyrite 53 alteration mineralization 53 mineralization occurs 53 andesite 53 disseminated mineralization 53 breccia 53 graphitic 53 Veta Madre