Related by context. Frequent words. (Click for all words.) 63 quartzite 63 galena 59 basalt 58 volcanic rock 58 sedimentary rock 58 feldspar 58 carbonatite 57 outcrop 57 hematite 57 petrified wood 57 arrowheads 57 mafic 57 schist 57 greenstone 57 gabbro 57 sandstone 56 obsidian 56 olivine 56 outcrops 56 granites 56 silicified 56 diorite 56 pegmatite 56 lithologies 55 garnets 55 volcanics 55 rhyolite 55 arsenopyrite 55 banded iron 55 intrusive rocks 55 calcite 55 sphalerite 55 malachite 55 molybdenite 55 coarse grained 55 dolomite 55 brecciated 55 limestone 54 quarried 54 metasediments 54 sandstones 54 volcanic rocks 54 pyrrhotite 54 pyrite 54 diamondiferous 54 felsic 54 breccias 54 stockworks 53 chalcopyrite 53 gravels 53 sulphide 53 sulphides 53 silicification 53 ultramafic 53 barite 53 sedimentary 53 flint 53 massive sulphides 53 sulfide mineralization 53 magmatic 53 massive sulfide 53 andesite 53 Mineralized 52 pegmatites 52 stratigraphy 52 quartz 52 quartz veining 52 quartz vein 52 quartz veins 52 breccia 52 stockwork 52 skarn 52 steeply dipping 52 disseminated sulphides 52 veinlets 52 sedimentary rocks 51 hydrothermal alteration 51 Grab samples 51 mineralization occurs 51 silica 51 sulfides 51 burial mounds 51 sulfide 51 iron oxide 51 kimberlite 51 saprolite 51 massive sulphide 50 sulphide mineralization 50 magnetic anomalies 50 talus 50 carbonate 50 copper mineralization 50 pottery shards 50 granodiorite 50 porphyry 50 alteration zones 49 Porphyry 49 massive sulphide mineralization 49 excavated 49 sediments 49 molybdenum mineralization