Related by context. Frequent words. (Click for all words.) 64 subduction zones 62 lithosphere 59 hydrothermal vents 58 earth crust 58 crustal 58 plate tectonics 58 seamounts 57 Earth crust 57 volcanism 56 subduction zone 55 basalts 55 landmasses 55 troposphere 54 mid latitudes 54 magma 54 subduction 54 tectonics 54 seamount 53 caldera 53 magmatic 52 hydrothermal 52 latitudes 52 Tibetan Plateau 52 single celled organisms 51 continental drift 51 seafloor 51 volcanoes 51 carbonaceous 50 volcanic gases 50 thermocline 50 shallow depths 50 Proterozoic 50 glaciers 50 molten rock 50 Greenland glaciers 50 glacial ice 49 volcanic 49 ultramafic rocks 49 tectonic plate 49 sediment cores 49 carbonate rocks 49 landforms 49 shear zones 49 diatoms 49 sediments 49 subtropical regions 49 sedimentary rocks 49 Precambrian 49 tectonic 48 baleen whales 48 Late Cretaceous 48 Paleozoic 48 Archaea 48 sedimentary rock 48 sedimentary 48 archaea 48 lava flows 48 hydrothermal alteration 48 Antarctic Ice 48 andesite 48 peridotite 48 intrusives 48 granitic 48 tuffs 48 Weddell Sea 48 Pliocene 47 Saturn moon Enceladus 47 vortices 47 Quaternary 47 permafrost 47 intrusive rocks 47 terrestrial ecosystems 47 Carboniferous 47 ejecta 47 Antarctic Peninsula 47 olivine 47 tectonic plates 47 mountain glaciers 47 aerosol particles 47 Phytoplankton 47 sedimentary basins 47 equatorial Pacific 47 Pleistocene 47 benthic 47 siliceous 46 temperature gradient 46 volcanic activity 46 anomalously 46 oceans 46 Greenland Ice 46 glacial till 46 atmospheric circulation 46 sulphide bearing 46 deformation 46 CO2 concentrations 46 igneous 46 Eruptions 46 marine organisms 46 sulfides 46 mafic 46 Cretaceous Period