Related by context. Frequent words. (Click for all words.) 70 subduction 67 lithosphere 66 subduction zone 65 tectonic plate 65 earth crust 64 Earth crust 62 subduction zones 62 crustal 57 plate tectonics 57 tectonic 56 tectonic plates collide 54 volcanism 54 basalts 53 sediments 53 carbonate rocks 53 tectonic plates 53 magma 52 molten rock 52 basalt 52 tectonics 51 landmasses 51 olivine 51 sedimentary rock 51 crust 51 temperature gradient 50 peridotite 50 marine sediments 50 Ross Ice Shelf 49 geologically active 49 glacial ice 49 Weddell Sea 49 volcanic islands 48 magnetization 48 magmatic 48 limestones 48 seabed 48 sedimentary basin 47 deformation 47 graphitic 47 meltwater 47 seafloor 47 Wilkins Ice Shelf 47 upwelling 47 carbonaceous 47 sedimentary 47 oxidized 47 continental plates 47 ejecta 47 volcanics 46 carbonic acid 46 scarps 46 continental drift 46 Antarctic Ice 46 volcanic activity 46 sediment cores 46 andesite 46 silicates 46 anisotropy 46 volcanic rock 46 torus 46 atmospheric circulation 46 permafrost 46 glaciation 46 adsorbed 46 Antarctic ice 46 Tibetan Plateau 46 crystal lattice 45 calcite 45 graphene sheets 45 mudstone 45 striations 45 carbonate 45 methane hydrate 45 caldera 45 gabbro 45 sulphide bearing 45 siliceous 45 Antarctic Peninsula 45 sediment 45 mid latitudes 44 accretion disk 44 igneous 44 seismically active regions 44 equatorial Pacific 44 atmospheric CO2 44 convection 44 facies 44 Pacific Ocean 44 sedimentary basins 44 deforming 44 volcanic rocks 44 overlying 44 sedimentary rocks 43 moraines 43 lava flows 43 hydrothermal alteration 43 Iapetus 43 gravity anomaly 43 spacetime 43 gneiss 43 troposphere