Related by context. Frequent words. (Click for all words.) 57 Weddell Sea 55 undersea volcanoes 54 Lake Vostok 53 hydrothermal vent 53 fjord 53 subarctic 53 polar vortex 52 Greenland glacier 51 upwellings 51 volcanic vents 51 Polar Regions 50 equatorial waters 50 fiord 50 Svalbard archipelago 50 temperate forests 49 marine sediments 49 Ross Ice Shelf 49 Dry Valleys 49 alteration mineralization 49 baleen whales 49 temperature gradient 49 thermocline 49 foraminifera 49 floe 49 geologic formations 49 sandstone formations 48 icecap 48 rocky ledges 48 photosphere 48 temperature gradients 48 Antarctic peninsula 48 limestone cave 48 Antarctic Peninsula 48 Gusev crater 48 shallow continental shelf 48 equatorial Pacific Ocean 48 polar craters 47 temperate rainforest 47 oceanic crust 47 permafrost 47 geochemically anomalous 47 embayment 47 mud volcanoes 47 hydrothermal vents 47 Cape Royds 47 mid latitudes 47 extinct volcanoes 47 tungsten mineralization 47 Monomoy Island 47 lava tubes 47 magma chamber 46 Arctic permafrost 46 Vatnajokull glacier 46 continental crust 46 subglacial 46 lunar craters 46 deglaciation 46 geological formations 46 lava tube 46 Equatorial Pacific 46 peninsula jutting 46 rugged cliffs 46 sandstone reservoir 46 Spitsbergen 46 temperature inversions 46 peridotite 46 Upper Jurassic 46 ocean 46 underwater volcanoes 46 Celebes Sea 46 tubeworms 46 icy moons 45 reefs 45 Greenland 45 mineralizing system 45 tundra 45 northerly trending 45 coral atoll 45 refugia 45 Drake Passage 45 hydrothermal activity 45 tectonic plates collide 45 #,#-#,# ft. Loc 45 airflows 45 Ellesmere Island 45 poleward 45 temperature salinity 45 Valles Marineris 45 -# degrees Celsius [001] 45 upper troposphere 45 Shaft Zone 45 stratigraphically 45 Volcano erupts 45 reservoir sands 45 sediment cores 45 Antarctic Ice 45 tropopause 45 Carina Nebula 45 Saturn moon Enceladus 45 Ordovician 45 massive sulphide deposits