Related by context. Frequent words. (Click for all words.) 75 sandstones 74 volcanics 72 intrusive rocks 72 metasediments 71 granites 71 sedimentary rocks 71 intrusives 71 gneiss 70 breccias 70 sedimentary 69 andesite 69 brecciated 69 diorite 69 silicified 69 volcanic rocks 69 felsic 68 mafic 68 gabbro 68 shear zones 67 schist 66 skarn 66 lithologies 66 granitic 66 peridotite 66 banded iron 66 mineralization occurs 65 gravels 65 stratigraphy 65 breccia 65 granodiorite 65 dolomite 65 Proterozoic 65 footwall 65 sedimentary rock 65 Paleozoic 64 basalt 64 disseminated sulphides 64 steeply dipping 64 outcrops 64 quartzite 64 sulphides 64 calcite 64 massive sulfide 63 stockworks 63 shear zone 63 ultramafic 63 rhyolite 63 underlain 63 sandstone 63 silicification 63 sulfide mineralization 63 Ordovician 63 structurally controlled 63 northeast trending 63 Precambrian 63 stockwork 63 sulphide 63 unconformity 62 veinlets 62 quartz veins 62 quartz veining 62 alteration zones 62 bearing quartz veins 62 gossan 62 anticline 62 sulphide mineralization 62 sediments 62 lithology 61 disseminated pyrite 61 massive sulphide mineralization 61 chalcopyrite 61 pegmatite 61 overlying 61 hydrothermal alteration 61 outcrop 61 sphalerite 61 carbonatite 61 laterite 61 Archean 61 quartz vein 61 porphyry 61 massive sulphides 61 saprolite 61 pyrrhotite 61 epithermal 61 stratigraphic 61 limestone 60 diamondiferous 60 overlain 60 carbonate 60 massive sulphide 60 arsenopyrite 60 pyrite 60 northwest trending 60 mineralized 60 pegmatites 60 copper mineralization 59 Eocene 59 Miocene 59 geologically 59 mineralized corridor