Related by context. Frequent words. (Click for all words.) 51 magma chamber 50 hydrothermal vent 50 breccia pipes 49 underwater volcanoes 49 volcanically active 49 lava tubes 49 oceanic crust 49 icy crust 48 mesosphere 48 Lake Vostok 47 seamount 47 volcanic vents 47 volcanic crater 47 lavas 47 Meikle mine 46 steep canyon 46 Weddell Sea 46 volcano crater 46 Valles Marineris 46 beaked whale 46 magmas 46 caldera 45 Celebes Sea 45 massive sulphide deposits 45 hydrothermal vents 45 volcanic gases 45 underwater caves 45 crater 45 Cabeus 45 igneous rocks 45 mafic volcanic 45 robotic submarine 45 igneous rock 45 haematite 45 breccia pipe 45 hydrothermally altered 45 pyroclastic 45 peridotite 45 lithosphere 44 geologically active 44 Carina Nebula 44 hydrothermal breccia 44 cavern 44 Endurance Crater 44 undersea volcano 44 Cabeus crater 44 seafloor 44 ionized gas 44 seabed 44 graben 44 vessel capsized 44 mineralization occurs 44 porphyry mineralization 44 diatreme 44 tar mats 44 basalts 43 siltstones 43 Kuiper belt 43 dacite 43 X ray emission 43 rock outcrop 43 sulphide bearing 43 ultramafic rocks 43 jasperoid 43 mud volcanoes 43 stockwork mineralization 43 weakly mineralized 43 steam vents 43 volcanic 43 supernova remnant 43 clasts 43 alteration zones 43 stockwork zone 43 moonlets 43 spherules 43 mineralizing system 43 Sediments 43 gabbro 43 lava flows 43 lava flowing 43 Saturn moons 43 continental crust 43 sulfide mineralization 43 Mineralization occurs 43 creekbed 43 hydrothermal activity 43 undersea plumes 42 iron meteorite 42 Mount Ruapehu 42 marine sediments 42 glacial till 42 schists 42 sedimentary basin 42 carbonatite 42 Kilauea volcano 42 foraminifera 42 WASP #b 42 EM anomalies 42 diamondiferous kimberlites 42 magnetite mineralization 42 superheated gases