Related by context. Frequent words. (Click for all words.) 69 unexplored 69 relatively unexplored 60 underexplored 60 unexploited 54 undrilled 53 untapped 52 undiscovered 51 largely untapped 51 explored 50 underexploited 49 discoveries 48 poorly understood 48 unexplored territory 45 discovery 45 uncharted 44 unmapped 44 Carboniferous 44 sedimentary basins 44 Lower Cretaceous 44 undeveloped 43 volcanogenic massive sulphide 43 geologically active 43 unchartered 43 vast untapped 43 Geologically 43 epithermal gold silver 43 sedimentary basin 43 exploration 43 depositional 42 explorations 42 unmined 42 volcanogenic massive sulphide VMS 42 terra incognita 42 greenstone belt 42 prospectivity 42 graben 42 Miwah Main Zone 42 alluvial deposits 42 Mineralisation 41 Cretaceous 41 epithermal gold 41 prospected 41 subsalt 41 Oligocene 41 exploration tenements 41 #km# [004] 41 unstudied 41 exploring 40 limestone caves 40 bulk tonnage gold 40 volcanically active 40 auriferous 40 explore 40 geological formations 40 methane hydrate 39 Ni Cu PGE 39 Thelon Basin 39 underpenetrated 39 Galilee Basin 39 goldfield 39 Kuiper belt 39 Georgina Basin 39 untapped resource 39 overlies 39 fascinating 39 VIC/P# 39 Carnarvon Basin 39 prehistory 39 downdip 39 gasfields 38 porphyries 38 skarn mineralization 38 prehistoric 38 geologically 38 lode gold 38 biogeochemistry 38 palaeontology 38 uncovered 38 epithermal vein 38 untouched 38 Dublin Gulch 38 fossils 38 kimberlitic 38 inaccessible 38 North Falkland Basin 37 open pittable 37 updip 37 vast 37 unvisited 37 low sulphidation epithermal 37 goldmine 37 Amulsar 37 poly metallic 37 unsolved mysteries 37 archaeological finds 37 geologic 37 Exploring 37 mysteries 37 dinosaur fossils 37 unresolved 37 Utica Shale