Related by context. Frequent words. (Click for all words.) 61 Paleocene 60 Upper Cretaceous 58 metamorphic rocks 57 andesitic 57 Paleozoic 57 gneisses 56 Archaean 56 hornfels 56 graben 56 calcareous 56 extensional 56 hydrothermal breccia 56 tuffs 55 greenstone belts 55 jasperoid 55 Miocene 55 mudstones 55 alluvial deposits 55 breccia zones 55 stratigraphically 54 NE trending 54 Eocene 54 quartz carbonate veins 54 quartz monzonite 54 placer deposits 54 breccia pipes 54 Uranium mineralization 54 stratiform 54 Skarn 54 Cenozoic 54 breccia pipe 54 hydrothermally altered 54 Lower Cretaceous 54 porphyry mineralization 54 syncline 54 Quartzite 54 gossans 54 porphyries 54 erosional 53 Oligocene 53 Carboniferous 53 chalcopyrite mineralization 53 granitic rocks 53 Ordovician 53 Near Surface 53 siltstones 53 weakly mineralized 53 limestones 53 carbonate rocks 53 metasedimentary rocks 53 basaltic 53 schists 53 auriferous 53 embayment 53 batholith 52 igneous rocks 52 gravity anomalies 52 pyroxenite 52 EM anomalies 52 depositional 52 stockwork mineralization 52 salars 52 previously undrilled 52 bornite 52 geochemically anomalous 52 mafic volcanics 52 siliceous 52 loess 52 argillic alteration 52 mafic volcanic 52 Mesozoic 52 stockwork zones 52 overlies 52 intrusive rocks 52 carbonate replacement 52 EM conductors 52 Mineralization occurs 52 quartz carbonate 52 stratabound 51 radiometric anomaly 51 Proterozoic 51 mafic volcanic rocks 51 magnetite mineralization 51 alluvium 51 potassic 51 Pliocene 51 Geologically 51 vuggy silica 51 facies 51 mineralization occurs 51 Cretaceous 51 spatially associated 51 monzonite 51 felsic volcanic 51 Early Cretaceous 51 ultramafic rocks 51 clasts 51 felsic volcanic rocks 51 glaciated 50 salar 50 Late Triassic