Related by context. Frequent words. (Click for all words.) 73 hydrothermal 70 mineralizing 68 crustal 68 volcanism 67 ultramafic 67 basalts 66 volcanic 66 epithermal 66 hydrothermal alteration 65 felsic 65 mafic 65 sedimentary 64 gneiss 63 granitic 63 tectonic 63 lithologies 63 carbonaceous 63 gabbro 63 ultramafic rocks 63 volcanics 63 lithology 62 olivine 62 structurally controlled 62 lithological 62 peridotite 62 stratigraphy 62 sulfide mineralization 61 intrusive rocks 61 magma 61 andesite 61 overlies 61 facies 61 Geologically 61 breccia 61 porphyry 61 stockwork 61 pegmatites 61 geologic 60 skarn 60 intrusives 60 Proterozoic 60 mineralized vein 60 pegmatite 60 brecciation 60 carbonatite 60 stratigraphic 60 granites 60 carbonate 60 Precambrian 59 metamorphic 59 metasediments 59 rhyolite 59 breccias 59 sulfides 59 epithermal gold 59 bornite 59 sulphides 59 mineral occurrences 59 geochemical 59 epithermal gold silver 59 diamondiferous 59 stockworks 59 Ordovician 58 shear zones 58 sedimentary rock 58 massive sulfide 58 coarse grained 58 subduction 58 Paleozoic 58 limestones 58 radiometric anomalies 58 overlying 58 alteration zones 58 mineralogy 58 massive sulphides 58 sulfide 58 ejecta 57 geological 57 kimberlite 57 steeply dipping 57 disseminated sulphides 57 banded iron 57 brecciated 57 sedimentary rocks 57 magnetic anomalies 57 unconformity 57 mineralization occurs 57 northeast trending 57 massive sulphide mineralization 57 caldera 57 Mineralized 57 basalt 57 sulphide 57 volcanic rocks 57 silicified 57 disseminated mineralization 57 seismicity 57 clay alteration 56 schist 56 eruptive 56 VMS deposits