Related by context. Frequent words. (Click for all words.) 73 Precambrian 73 Paleozoic 72 Ordovician 70 Eocene 70 intrusive rocks 69 volcanics 69 Archean 68 metasediments 68 Cretaceous 67 sedimentary rocks 66 Mesozoic 65 mafic 65 Triassic 65 limestones 64 volcanic rocks 64 stratigraphy 63 massive sulfide 63 banded iron 63 hydrothermal alteration 63 Devonian 62 Pliocene 62 mineralization occurs 62 sedimentary 62 underlain 62 gabbro 61 Miocene 61 carbonatite 61 ultramafic 61 granites 61 lithologies 61 unconformity 60 magmatic 60 geologically 60 greenstone belt 60 felsic 60 epithermal 60 porphyry 59 diorite 59 massive sulphide mineralization 59 copper mineralization 59 breccia 59 structurally controlled 58 breccias 58 granodiorite 58 shear zones 58 massive sulphide 58 uranium mineralization 58 pegmatite 58 stockwork 58 northeast trending 58 epithermal gold 58 andesite 57 sulphides 57 skarn 57 Greenstone Belt 57 stockworks 57 Tertiary 57 brecciated 57 overlain 57 sedimentary rock 57 stratigraphic 57 lithology 57 rhyolite 57 northwest trending 57 alteration zones 56 IOCG 56 shear zone 56 Jurassic 56 silicified 56 hydrothermal 56 molybdenum mineralization 56 nickel sulphide 56 gold mineralization 56 radiometric anomalies 56 copper porphyry 56 sandstones 56 pyrrhotite 56 footwall 55 porphyry copper gold 55 sulphide 55 disseminated sulphides 55 diamondiferous 55 Mineralisation 55 porphyry copper 55 polymetallic 55 mineralized 55 Pleistocene 54 massive sulphides 54 sulfide mineralization 54 mineralization 54 schist 54 mineralized horizon 54 Porphyry 54 geochemical anomalies 54 porphyry style 54 sulphide mineralization 54 VMS deposits 54 pegmatites 54 sphalerite 53 sediments 53 quartz veins