Related by context. Frequent words. (Click for all words.) 76 Proterozoic 68 intrusives 67 intrusive rocks 67 volcanics 66 Paleozoic 65 graben 65 felsic 64 gneiss 64 limestones 64 mafic 64 Precambrian 63 Carboniferous 63 tuffs 63 overlies 63 igneous 63 Uranium mineralization 63 Lower Cretaceous 62 granitic 62 Archean 62 sedimentary 62 metasediments 61 Ordovician 61 basalts 61 magmatic 61 breccia zones 61 Geologically 61 Eocene 61 underlain 61 porphyries 61 sedimentary rocks 61 banded iron 61 skarn mineralization 60 auriferous 60 ultramafic 60 gabbro 60 siliceous 60 Mesozoic 60 sulphide bearing 60 pegmatite 60 Cretaceous 60 syenite 60 volcanic rocks 59 overlain 59 Ni Cu PGE 59 stratigraphy 59 mineralization occurs 59 northwest trending 59 ultramafic rocks 59 hangingwall 59 Paleocene 59 carbonatite 59 basaltic 59 northeast trending 59 epithermal gold silver 58 radiometric anomaly 58 facies 58 granites 58 massive sulfide 58 siltstone 58 diorite 58 Quaternary 58 sedimentary basin 58 rhyolite 58 geologically 58 overlie 58 graphitic 58 greenstone belt 58 lithology 58 Geological mapping 58 Ni Cu 57 mudstone 57 Oligocene 57 argillite 57 bearing quartz veins 57 hydrothermal alteration 57 breccia 57 potassic alteration 57 steeply dipping 57 lithologies 57 structurally controlled 57 porphyry 56 mineralized corridor 56 breccia zone 56 breccias 56 andesite 56 kimberlite pipe 56 Kimberlite 56 Fault Zone 56 Mineralized 56 diamondiferous 56 disseminated mineralization 56 mineralizing 56 granodiorite 56 shear zones 56 Mineralisation 56 alluvial deposits 56 crustal 56 open pittable 56 Triassic 56 gravity anomaly 56 skarn