Related by context. Frequent words. (Click for all words.) 61 marine sediments 60 oceanic crust 60 lithosphere 60 continental crust 60 crustal 59 atmospheric methane 58 tectonic 58 glacial melting 57 plate tectonics 56 Earth crust 56 supercontinent 56 glaciers melt 55 continental drift 55 earth crust 55 volcanism 54 magma chamber 54 landmasses 54 hydrological cycle 54 volcanic eruptions 53 species extinctions 53 volcanic 53 subduction 53 subduction zones 53 methane hydrate 53 glacial melt 53 icecaps 53 Tibetan Plateau 52 Cascadia subduction zone 52 icecap 52 volcanoes 52 Volcanic eruptions 52 solar nebula 52 tectonic plate 52 interglacial period 52 upwelling 52 volcanic activity 52 geologic 51 Antarctic ozone 51 explosive eruptions 51 magnetic reconnection 51 subduction zone 51 retreating glaciers 51 Weddell Sea 51 Cambrian explosion 51 ocean ridges 51 atmospheric CO 51 tectonics 50 ocean acidity 50 Kilauea Volcano 50 lava flows 50 earth tremors 50 magmatic 50 glacier melt 50 melting glacier 50 ocean currents 50 depositional 50 glaciation 50 seamount 50 sediments 50 seabed 50 terrestrial ecosystems 50 supernova explosion 50 seabeds 50 volcanic gases 50 melting permafrost 50 glaciers 50 lavas 49 lake sediments 49 Greenland glaciers 49 mass extinctions 49 landforms 49 Ross Ice Shelf 49 methane hydrates 49 El Nino warming 49 radioactive decay 49 seafloor 49 stromatolites 49 Earth magnetosphere 49 glacial ice 49 Brownian motion 48 molten rock 48 sedimentary basins 48 Cascadia Subduction Zone 48 glaciers melting 48 Antarctic ice 48 oceanic 48 equatorial 48 seamounts 48 polar caps 48 sediment cores 48 river deltas 48 glacier 48 magma 48 volcanic eruption 48 meltwater 48 shrinking glaciers 48 Quaternary 47 aerosol particles 47 volcano eruptions 47 pyroclastic flow 47 ocean