Related by context. Frequent words. (Click for all words.) 73 Paleozoic 72 Proterozoic 70 Carboniferous 69 Ordovician 69 limestones 69 intrusive rocks 68 Silurian 68 Miocene 68 Eocene 68 Mesozoic 67 intrusives 67 Oligocene 67 Cretaceous 66 stratigraphy 66 massive sulfide 66 basalts 66 hydrothermal alteration 65 volcanics 65 Precambrian 65 bearing quartz veins 65 stratigraphic 65 Mineralisation 65 magmatic 65 auriferous 65 hangingwall 65 Triassic 64 ultramafic rocks 64 banded iron 64 diamondiferous 64 artisanal workings 64 mafic 64 felsic 64 massive sulphide mineralization 64 gneiss 64 mineralized vein 64 mineral occurrences 64 sedimentary rocks 64 overlies 64 granitic 64 gabbro 64 tuffs 64 lithologies 64 Archean 64 anticline 63 breccia 63 Geologically 63 alteration zones 63 ultramafic 63 metasediments 63 stockwork 63 facies 63 lithological 63 structurally controlled 63 sulfide mineralization 63 Pliocene 62 mineralization occurs 62 copper mineralization 62 pegmatite 62 Devonian 62 Quaternary 62 soil geochemical anomalies 62 uranium mineralization 62 disseminated mineralization 62 geologic 62 radiometric anomalies 62 diorite 62 lithology 62 sandstones 62 gossan 62 mineralizing 62 Fault Zone 62 footwall 62 nickel sulphide 62 sedimentary basin 61 Late Cretaceous 61 uranium occurrences 61 epithermal gold silver 61 kimberlite pipes 61 mantos 61 pegmatites 61 high sulphidation 61 shear zones 61 Geological mapping 61 porphyry 61 bornite 61 downdip 61 northwest trending 61 mineralized horizon 61 breccias 61 REE mineralization 61 Mineralized 61 sedimentary 61 sulphide mineralization 61 intersected mineralization 61 undrilled 61 steeply dipping 60 granites 60 northeast trending 60 epithermal 60 skarn 60 siltstone