Related by context. Frequent words. (Click for all words.) 51 Upper Cretaceous 50 breccia zones 50 reservoir sands 49 siltstones 49 alluvial deposits 49 clasts 49 porphyries 49 carbonate reservoirs 48 skarn mineralization 48 stratabound 48 coal seams 48 graben 48 mineralized lenses 48 temperate forests 48 intrusives 47 gossans 47 pathfinder elements 47 mafic volcanic rocks 47 glacial till 47 potash mineralization 47 igneous rocks 47 jasperoid 46 Geologically 46 hydrothermal breccia 46 depositional 46 overlies 46 siltstone 46 calcareous 46 sedimentary basin 46 massive sulphide deposits 46 quartz carbonate 46 banded iron 45 sulphide bearing 45 clay alteration 45 carbonate rocks 45 carbonaceous 45 felsic 45 hydrothermal alteration 45 gabbro 45 ultramafic 45 intrusive rocks 45 ocean ridges 44 tuffs 44 Paleocene 44 stratigraphy 44 basalts 44 hangingwall 44 bearing quartz veins 44 siliceous 44 surficial 44 temperature gradient 44 sandstones 44 hydrothermally altered 44 sedimentary rocks 44 lithological 44 pyritic 44 breccia zone 43 metasedimentary rocks 43 diorite 43 gravels 43 Lower Cretaceous 43 shear zones 43 outcrops 42 unconformity type 42 thermocline 42 facies 42 lithologies 42 sedimentary rock 42 sedimentary 42 Concentrations 42 quartz veinlets 42 Relative humidity 41 barite 41 mafic 41 beaver ponds 41 escarpments 41 syenite 41 schists 40 hydrothermal activity 40 argillite 40 evergreen forests 40 Paleozoic 40 cirrus clouds 40 subsurface 40 elevations 40 porphyry copper molybdenum 40 breccia pipe 40 disseminated mineralization 40 volcanics 40 unconformity 39 salar 39 auriferous 39 concentrations 39 andesite 39 Today Mostly sunny 39 crustal 39 metasediments 39 dolomite 38 rock outcrops 38 gneiss 38 limestones