Related by context. Frequent words. (Click for all words.) 84 Cretaceous 76 Eocene 75 Miocene 75 Ordovician 74 Devonian 72 Paleozoic 71 Pliocene 67 Mesozoic 67 Jurassic 65 Proterozoic 64 Pleistocene 63 Precambrian 62 sandstones 59 stratigraphic 58 sedimentary rocks 55 sedimentary 55 geologically 53 breccia 53 anticline 53 Archean 53 banded iron 53 hydrocarbon bearing 53 stratigraphy 52 shallow depths 52 volcanics 52 shear zones 52 geologic 52 massive sulfide 52 undrilled 52 shales 52 mineralized 52 massive sulphide mineralization 52 andesite 51 copper mineralization 51 mineralization 51 skarn 51 gabbro 51 footwall 51 mineralized horizon 51 intersected mineralization 51 Holocene 50 dinosaurs 50 intrusive rocks 50 molybdenum mineralization 50 lithology 50 mafic 50 porphyry 50 volcanic rocks 50 uranium mineralization 50 stockwork 50 gold mineralization 49 sulphide mineralization 49 carbonate 49 glaciation 49 hydrothermal 49 ultramafic 49 diamondiferous 49 mineralized intercepts 49 epithermal 49 breccias 49 hydrothermal alteration 49 taxa 49 lithologies 49 unconformity 49 volcanism 48 magmatic 48 fossils 48 Archaeopteryx 48 structurally controlled 48 granodiorite 48 felsic 48 sedimentary rock 48 orebodies 48 silicified 48 mineralized zones 48 Fossils 47 Mineralization 47 massive sulphides 47 sediments 47 sulphide 47 Bakken formation 47 Permian 47 Formation 47 diorite 47 fossil 47 Australopithecus 47 lodes 47 delineation drilling 47 metasediments 47 Mineralisation 47 geological 47 Kimberlite 47 quartz vein 46 kimberlite 46 sulphides 46 mineralized interval 46 infill drilling 46 overlying 46 shear zone 46 sauropods 46 mineralization occurs