Related by context. Frequent words. (Click for all words.) 71 basalts 70 igneous 69 intrusives 69 sedimentary rocks 68 intrusive rocks 67 volcanic rocks 66 porphyries 66 olivine 65 sedimentary rock 65 sedimentary 64 magnetic anomalies 64 siliceous 64 magmatic 64 tuffs 63 lithologies 63 stratigraphy 63 geochemical anomalies 63 metasediments 63 banded iron 63 carbonatite 63 ultramafic rocks 63 limestones 63 granites 62 sulphide bearing 62 Precambrian 62 silicates 62 carbonate rocks 62 alteration zones 62 Geologically 62 lithosphere 62 felsic 61 mafic 61 syenite 61 geologically 61 peridotite 61 marine sediments 61 hydrothermal alteration 61 granitic 61 carbonaceous 61 gabbro 61 mudstone 61 sediments 61 potassic alteration 60 auriferous 60 crustal 60 gneiss 60 Paleozoic 60 lithology 60 geologic 60 andesite 60 calcite 60 volcanics 60 outcrops 60 radiometric anomalies 60 regolith 60 massive sulfide 60 facies 60 landforms 60 ultramafic 60 lake sediments 60 pegmatites 59 diorite 59 volcanism 59 geochemical 59 sulfide mineralization 59 skarn mineralization 59 Proterozoic 59 iron oxides 59 shear zones 59 rock outcrops 59 Ni Cu 59 gravity anomaly 59 lithological 59 basalt 58 mineralogy 58 mineralizing system 58 uranium occurrences 58 volcanic rock 58 steeply dipping 58 chalcocite 58 breccia 58 anomalous zones 58 geological 58 sandstones 58 mineralization occurs 58 mineralizing 57 siltstone 57 stratigraphic 57 northeast trending 57 Uranium mineralization 57 bornite 57 structurally controlled 57 bearing quartz veins 57 glacial till 57 mineral occurrences 57 breccias 57 Ordovician 57 carbonate 57 massive sulphides 57 sulphides 57 graphitic