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(Click for frequent words.) 81 earth crust 70 lithosphere 70 tectonic plate 70 crustal 68 subduction zone 67 subduction zones 67 continental crust 65 asthenosphere 64 subducted 64 crustal plates 64 tectonic 63 oceanic crust 63 plate tectonics 62 subduction 62 tectonic plates 62 sedimentary layers 62 molten rock 62 magma 60 oceanic plates 60 sedimentary rock 60 tectonics 59 Cascadia subduction zone 59 magma chamber 59 Nankai Trough 59 undersea volcanoes 58 Nazca plate 58 colliding tectonic plates 57 ocean ridges 57 subducting 57 molten magma 57 crustal plate 56 compressional 56 volcanism 56 turbidites 56 tectonic plate movements 56 tectonic plates collide 56 tectonic boundary 56 San Andreas Fault 56 post perovskite 56 subglacial lakes 56 subducting plate 56 lavas 56 Earth tectonic plates 56 Yellowstone caldera 55 crustal rocks 55 intraplate 55 megathrust earthquake 55 Tectonic plates 55 flood basalts 55 grabens 55 oceanic lithosphere 55 galactic disk 55 tectonic plate slides 55 sediments deposited 55 tectonic plate boundaries 55 mantle plumes 55 Antarctic ice 55 cratons 54 Amundsen Sea 54 magmas 54 tectonic stresses 54 tectonic plate dives 54 supercontinent 54 earths crust 54 Alpine Fault 54 Sunda Trench 54 magmatic 54 magma chambers 54 tectonic movements 54 Antarctic Ice 54 crust 54 Laurentide ice sheet 54 mantle convection 54 igneous rocks 53 lowermost mantle 53 Gondwanaland 53 geologic 53 planetesimals 53 basaltic rocks 53 peridotite 53 permafrost 53 sediments 53 basalt 53 supercontinents 53 metamorphic rocks 53 Earth magnetosphere 53 caldera 53 seafloor sediments 53 ocean basins 53 lithospheric 53 Amundsen Sea Embayment 53 magmatism 53 megathrust 52 continental drift 52 marine sediments 52 craton 52 Yellowstone Caldera 52 tectonically 52 phyllosilicate 52 overlying layers 52 meltwater 52 mantle lithosphere 52 atomic nuclei 52 Laurentide Ice Sheet 52 Antarctic glacier 52 silicate rocks 52 seafloor 52 volcanoes 52 aseismic 52 ejecta blanket 52 Antarctic glaciers 52 meteorite impacts 52 volcanic activity 52 spacetime 52 GJ#b 52 calderas 52 glacier 52 Cascadia fault 51 igneous rock 51 seismic waves 51 sedimentary deposits 51 hydrothermal 51 Sunda trench 51 Plate tectonics 51 troposphere 51 volcanic arcs 51 basaltic magma 51 Cryogenian 51 geologic faults 51 rifting 51 glacial ice 51 ancient supercontinent 51 subduction fault 51 glaciers 51 deformation 51 Earths crust 51 Fram Strait 51 basalts 51 matter antimatter asymmetry 51 polar vortex 51 magnetic monopoles 51 oceanic trenches 51 magnetic reconnection 51 supervolcano 51 polar icecap 51 sedimentary 51 chondrules 51 silicate minerals 51 peridotites 51 landmasses 51 neutron star 51 Gakkel Ridge 51 Deccan Traps 51 clathrates 51 sedimentary rocks 51 carbonate minerals 51 molten iron 50 phyllosilicates 50 ultramafic intrusives 50 Siberian Traps 50 Gondwana supercontinent 50 icesheet 50 seismogenic 50 volcanic eruptions 50 lunar crust 50 shifting tectonic plates 50 Greenland glaciers 50 cobalt atom 50 Greenland glacier 50 protoplanetary disk 50 ocean currents 50 Laurasia 50 geothermal gradient 50 Enceladus 50 thrust faulting 50 tropopause 50 solar nebula 50 sulfur isotope 50 supervolcanoes 50 fissions 50 olivine 50 wrinkle ridges 50 magma ocean 50 sub glacial lakes 50 ejecta 50 hydrothermal fluid 50 Greenland Ice 50 frictional heating 50 hydrothermal activity 50 atoms 50 photosphere 50 radioactive decay 50 anticlines 50 Whillans Ice Stream 50 volcanic basalt 50 magnetosphere 50 Pu'u O'o crater 49 osmium 49 volcanic magma 49 Eurasian Plate 49 zircons 49 Cumbre Vieja 49 glaciation 49 Syrtis Major 49 brittle deformation 49 geologically active 49 meteor impacts 49 volcanoes erupt 49 Ross Ice Shelf 49 mid latitudes 49 volcanic 49 tectonic activity 49 tectonic plate boundary 49 cryosphere 49 seismic activity 49 seismogenic zone 49 calcite 49 hematite mineral 49 seismically active zones 49 volcanically active 49 glaciers melted 49 explosive volcanism 49 Neutron stars 49 Longmen Shan fault 49 Ithaca Chasma 49 Neoproterozoic 49 convection currents 49 hydrothermal fluids 49 Tibetan Plateau 49 Tharsis 49 Subduction Zone 49 igneous intrusion 49 isostatic rebound 49 crystallites 49 Tharsis Rise 49 basalt flows 49 Larsen Ice Shelf 49 tectonic faults 49 Subduction zone 49 seafloor sediment 48 martian atmosphere 48 magnetic dipole 48 volcanic sediments 48 underwater volcanoes 48 brittle ductile 48 martian rocks 48 KT boundary 48 magnetar 48 seismograms 48 thermosphere 48 glaciers retreated 48 sulfur atoms 48 vortices 48 magnetospheric 48 graphene sheet 48 Greenland ice 48 Martian crust 48 hydrothermal vents 48 accretion disk 48 metamorphic rock 48 moon gravitational pull 48 Megathrusts occur 48 Permo Triassic 48 earthquakes 48 outlet glaciers 48 tonalite 48 lava domes 48 Arctic permafrost 48 gyres 48 southern supercontinent 48 oceanic circulation 48 subglacial lake 48 volcanic rocks 48 Eurasian plates 48 volcanic plumes 48 Martian craters 48 felsic tuff 48 volcanoclastic rocks 48 mudstone 48 ignimbrite 48 mesosphere 48 Gravitational waves 48 collisional 48 outer crust 48 magnetic fields 48 martian meteorites 48 deglaciation 48 quakes 48 Sumatra Andaman earthquake 48 geophysicists 48 seamount 48 geological 48 methane hydrates 48 episodic tremor 48 Fomalhaut b 48 volcanic rock 48 merging galaxies 48 crustal movements 48 silicate dust 48 porous sandstone 48 megathrust earthquakes 48 subsurface ocean 48 Wilkins Ice Shelf 48 Hematite Slope 48 superheavy elements 48 microplastics 48 atmospheric methane 47 hydrological cycle 47 interstellar medium 47 icy moons 47 Bedout 47 zircon crystals 47 submarine volcanoes 47 granitoids 47 komatiitic 47 basalt lava 47 planet magnetosphere 47 Saturn rings 47 Kermadec Arc 47 iron carbonate 47 volcanic vents 47 subglacial 47 REE enriched 47 Zoback 47 hydrothermal vent 47 crystal lattice 47 convective 47 cobalt atoms 47 magnetotail 47 Cascadia Subduction Zone 47 stellar seismology 47 coal seams 47 depositional 47 rhyolite tuff 47 isostatic 47 altered porphyry 47 stromatolites 47 andesitic volcanic rocks 47 Arabia Terra 47 cryovolcanism 47 continental plates 47 anisotropic 47 North Anatolian Fault 47 upwelling 47 metasomatic 47 galaxy clusters 47 DNA double helix 47 permafrost thaws 47 seafloor methane 47 Paleocene Eocene Thermal Maximum 47 seabed 47 methane seeps 47 isotope composition 47 metasediment 47 graben 47 geochronology 47 large oceanic plateaus 47 Polar Vortex 47 basaltic lava 47 halite 47 SAFOD 47 mud volcanoes 47 volcanics 47 circumstellar 47 silicon atoms 47 argon atoms 47 stratigraphic sequence 47 Valles Marineris 47 limestone bedrock 47 megathrust quake 47 pyroxenite 47 magma erupts 47 sulfidic 47 icecaps 47 stony meteorite 47 lava flows 47 supercontinent Pangaea 47 andesite 47 microcrystals 47 limestones 47 stalagmite 47 forams 47 moon Enceladus 47 Puu Oo 47 basaltic rock 47 San Jacinto Fault 47 Lake Vostok 47 pillow lava 47 olivine rich 47 oceans 47 Nares Strait 47 moon Mimas 47 Oort Cloud 47 icy crust 47 Nazca tectonic plate 47 planetesimal 47 komatiite 47 exosphere 47 limonitic 47 infalling gas 47 lava dome 47 fissure eruption 47 Fe Mn 47 hydrogen atoms 47 seabed sediments 47 hydrosphere 46 gaseous planet 46 Banded Iron Formation 46 fossils 46 atomic nucleus 46 Antarctica 46 granitic rocks 46 magnetic dynamo 46 pore spaces 46 tholins 46 interstellar clouds 46 Iapetus 46 magmatic hydrothermal 46 seismicity 46 supernova explosions 46 deformational 46 Saturn moon Enceladus 46 GPa 46 tectonically active 46 calcite crystals 46 silicates 46 Martian atmosphere 46 oceanic 46 mineralizing fluids 46 regolith 46 interstellar cloud 46 moonlets 46 Norris Geyser Basin 46 carbonaceous chondrite 46 subsurface 46 komatiites 46 Eurasian tectonic plates 46 sedimentary layer 46 elastic deformation 46 cinder cones 46 evaporite deposits 46 Pu'u O'o 46 Saturnian moon 46 Dry Valleys 46 stromatolite 46 clasts 46 Arctic icecap 46 uppermost layer 46 melting permafrost 46 heliosphere 46 Denali Fault 46 methane hydrate 46 Martian dunes 46 geologically 46 foraminifera 46 evaporite 46 pyroclastics 46 high temperature superconductivity 46 volcano magma 46 supercontinent Pangea 46 superfluids 46 Wdowinski 46 interstellar dust grains 46 terranes 46 Antarctic Ice Shelf 46 carbonate rocks 46 jet stream 46 Ayles Ice Shelf 46 electron density 46 landforms 46 comet 46 amphibolite 46 moonlet 46 spherules 46 iridium layer 46 USArray 46 supermassive black hole 46 Greenland icecap 46 Io volcanoes 46 earth 46 Hydrothermal vents 46 magma cools 46 solar corona 46 atmospheric circulation 46 volcanic tuff 46 Kilauea Volcano 46 extensional 46 anorthosite 46 meteoroids 46 Jupiter moon Io 46 Ice Age glaciers 46 Sumatra Andaman 46 tuffaceous rocks 46 rotational axis 46 poleward 46 electrons behave 46 Anisotropy Probe 46 microfossils 46 clastic sediments 46 Chicxulub Crater 46 basaltic 46 neutrons 46 Quaternary 46 accretion disks 46 Precambrian rocks 46 rock formations 46 microscopic bubbles 46 saprolitic 46 Liquefaction 46 subducted beneath 46 micrometer sized 46 goethite 46 Mud volcanoes 46 circumstellar disk 46 Sheet WAIS 46 claystone 46 glacial 46 xenoliths 46 meteorite fragments 46 silicic 46 magnetic flux 46 helium atoms 45 molten rocks 45 Agulhas Current 45 silicate mantle 45 glaciations 45 Sunda megathrust 45 polar caps 45 Jakobshavn Isbrae 45 Jakobshavn 45 conodonts 45 erosional 45 Transantarctic Mountains 45 magnetopause 45 tectonic fault 45 Neukum 45 ultramafic rocks 45 ocean 45 stony meteorites 45 lava fountains 45 proto planetary disk 45 Permian extinction 45 meteorites 45 Chicxulub 45 Moho 45 superfluid 45 carbonate 45 Paleozoic sediments 45 altered felsic volcanic rocks 45 Last Glacial Maximum 45 Martian volcanoes 45 glacial meltwater 45 micrometer scale 45 ionosphere 45 mineralized breccias 45 magma molten rock 45 jarosite 45 Sunda plate 45 Ordovician extinction 45 sulfur isotopes 45 Wollaston Domain 45 variably silicified 45 Kilauea caldera 45 subhorizontal 45 Enriquillo Plantain Garden 45 hornfelsed 45 ophiolite 45 protostar 45 supernova explosion 45 sedimentary strata 45 clastic 45 paleomagnetic 45 Quelccaya ice cap 45 Permian Period 45 pyroxene 45 Petermann Glacier 45 Murchison meteorite 45 abyssal plain 45 GJ #b [002] 45 amorphous silica 45 downwelling 45 Martian surface 45 Hellas Basin 45 crustal deformation 45 ductile 45 antineutrinos 45 sedimentary basin 45 Copperstone Fault 45 Rignot 45 overlying sandstone 45 Palaeozoic sedimentary 45 splay fault 45 Nazca Plate 45 graphene sheets 45 interglacial period 45 supermassive black holes 45 rhyolite tuffs 45 WASP #b 45 upwellings 45 retreating glaciers 45 glacier melts 45 Jovian atmosphere 45 spheroidal 45 mineralized mafic 45 permafrost melts 45 Permian Triassic 45 ionized gas 45 andesitic rocks 45 Siple Dome 45 layered sedimentary rock 45 recrystallization 45 Antarctic Circumpolar Current 45 metamorphism 45 substorm 45 seismometers 45 CAIs 45 undersea volcanic 45 chondrites 45 Palaeocene Eocene Thermal Maximum 45 coccolithophores 45 chromosphere 45 Hydrothermal 45 Molucca Sea 45 isotopic ratios 45 galaxy cluster 45 covalent bonds 45 volcano lava dome 45 glaciers receded 45 Schellart 45 blue supergiant 45 tetrahedra 45 sulfide deposits 45 hydrothermally altered 45 nanobubbles 45 sedimentary basins 45 silica carbonate 45 subatomic particles 45 molten lava 45 dolomites 45 Early Cretaceous 45 Upsilon Andromedae b 45 stratospheric ozone 45 sulphidic 45 X ray emission 45 Bering Glacier 45 Precambrian 45 earths 45 melt inclusions 45 mafic intrusive 45 recrystallized 45 planetary orbits 45 icecap 45 hydrated minerals 45 water vapor 45 pillow lavas 45 dolerite 45 Cretaceous Tertiary KT 45 layered outcrops 45 overlying sedimentary 45 carbonate globules 45 Thawing permafrost 45 Phanerozoic 45 exhalite 45 upper troposphere 45 palaeo 45 fault ruptures 45 X ray emitting 45 mineral olivine 45 Wysession 45 oxygen atoms 45 neutron stars 45 Rossby waves 44 Navajo sandstone 44 saline aquifers 44 olivine crystals 44 heavily cratered 44 gas hydrates 44 supercontinent Gondwana 44 Nili Fossae 44 Saturn magnetosphere 44 saline aquifer 44 carbonaceous 44 diabase 44 wallrock 44 lunar meteorites 44 planets orbits 44 iron sulfide 44 iceberg calving 44 weakly interacting 44 scarps 44 Elsinore fault 44 Seafloor 44 temperature gradient 44 midlatitudes 44 sterile neutrino 44 volcanic gases 44 magnetization 44 sedimentary sequence 44 basalt volcanic 44 graphitic 44 diamond anvil 44 Archaean 44 CoRoT 7b 44 Einstein relativity theory 44 smectite 44 iridium 44 Cambrian Ordovician 44 surface hoar 44 pyrrhotite mineralization 44 basalt rock 44 deep convective clouds 44 faultline 44 Konrad Steffen 44 subseafloor 44 Younger Dryas 44 Hosgri Fault 44 Earth ionosphere 44 magnetic polarity 44 Martian meteorite 44 ocean sediment cores 44 Antarctic Peninsula 44 Garzione 44 kerogen 44 granite bedrock 44 karst topography 44 Bose Einstein condensates 44 optical lattice 44 aragonite 44 syenite gneiss 44 permanently shadowed craters 44 meridional flow 44 hydrate deposits 44 EarthScope 44 glacial melting 44 Kerguelen Plateau 44 nucleate 44 siliceous 44 gneisses 44 proton proton collisions 44 Geologists 44 Hot Jupiters 44 calcareous sediments 44 Late Paleozoic 44 torus 44 meteoritic material 44 chondritic 44 kimberlite breccia 44 lava flowed 44 anisotropy 44 serpentinized 44 stratigraphy 44 icy comets 44 sulfate minerals 44 Brunt Ice Shelf 44 Chicxulub impact 44 Bruce Pressgrave geophysicist 44 geochemists 44 gravitational pulls 44 Eemian 44 gabbroic intrusion 44 cosmic microwave background 44 protoplanets 44 dolomitic 44 Pyroclastic flows 44 Volcanic eruptions 44 galactic clusters 44 carbon atoms 44 unmapped fault 44 Sediments 44 interglacial periods 44 biotite rich 44 granite gneiss 44 zinc ions 44 tensional 44 Cerberus Fossae 44 pegmatitic 44 Weddell Sea 44 Sedimentary rocks 44 spherically symmetric 44 Kuiper belt objects 44 thermal diffusivity 44 toroid 44 rotating neutron stars 44 amphibolites 44 extinct volcanoes 44 Kilauea volcano 44 Neogene 44 granitoid 44 Seismologists 44 Snake River Plain 44 altered ultramafic rocks 44 eclogite 44 iron oxides 44 Haumea 44 Oort cloud 44 Yellowstone supervolcano 44 olivine mineral 44 overlying sediments 44 sulphide deposits 44 observable universe 44 volcanic craters 44 gneissic rocks 44 glaciologists 44 Jim Kauahikaua 44 porous limestone 44 Ordovician limestone 44 planet gravitational tug 44 antineutrino 44 active volcanoes 44 diamond anvils 44 megafauna 44 chlorine atom 44 geologic formations 44 nuclei 44 Methane hydrate 44 isotope ratios 44 Shoreline Fault 44 pyroclastic flow 44 Helheim glacier 44 planet Gliese #c 44 lakebed 44 basalt formations 44 granitic basement 44 Carina Nebula 44 bedrock outcrops 44 unconventional superconductivity 44 quasicrystal 44 sodium atoms 44 Milky Way galaxy 44 microearthquakes 44 Crustal 44 nanosized 44 Kuiper belt 44 Trojan asteroids 44 microscopic organisms 44 North Pacific Gyre 44 Paleozoic sedimentary 44 Greenland Antarctica 44 wallrocks 44 fragmental 44 martensite 44 ultramafics 44 thawing tundra 44 Athabasca sandstone 44 colliding galaxies 44 Kilimanjaro glaciers 44 quark gluon plasma 44 ALH# 44 stratovolcano 44 continental rifting 44 Mauna Loa volcano 44 petrography 44 rubbly 44 concretions 44 deforming 44 soliton 44 crystalline lattice 44 martian surface 44 ductile deformation 44 Geochemistry 44 scanning tunneling microscope STM 44 Chromitite 44 Toba eruption 44 mylonite 44 speleothems 44 photoemission 44 Yellowstone geysers 44 geoneutrinos 43 moulins 43 yardangs 43 cherts 43 gneiss 43 cosmic rays 43 hornblende 43 altered volcanics 43 greenschist 43 seamounts 43 mica sheets 43 Geologically 43 GeV 43 stratigraphically 43 shoreward 43 sedimentary sequences 43 protoplanet 43 footwall 43 organic molecules 43 sunlike stars 43 Saturn moons 43 outcropping mineralized 43 Bose Einstein condensate 43 galaxies collide 43 periodic oscillations 43 rocky planets 43 skarn alteration 43 Warmer oceans 43 brecciated 43 methane 43 gamma ray emitting 43 subatomic 43 Antarctic peninsula 43 ancient lava flows 43 geomechanical 43 hydrogen isotopes 43 igneous 43 pyrite altered 43 supergene copper 43 sea hydrothermal vents 43 asteroids 43 microbialites 43 shales 43 starch granules 43 viscous fluid 43 fossilized coral 43 dense clumps 43 interfacial 43 talus 43 megaquakes 43 lava extrusion 43 vertical diatreme breccia feeder 43 McMurdo Dry Valleys 43 anhydrite 43 radar interferometry 43 moons orbiting 43 volcaniclastics 43 supernova 43 thermal gradients 43 Jurassic sandstone 43 impactors 43 tooth enamel 43 Pyroclastic 43 windblown sand 43 ammonites 43 lava tubes 43 AB Aurigae 43 mafic intrusion 43 supernovae 43 Roland Burgmann 43 glacial cycles 43 ridges 43 spicules 43 Olympus Mons 43 Subduction zones 43 terrestrial planets 43 gravitational waves 43 Palaeozoic 43 phonons 43 chemically reactive 43 volcanic lava 43 crystal lattices 43 supersolid 43 equatorial latitudes 43 Mariana Arc 43 lava 43 Explosive eruptions 43 overlying 43 Elysium Planitia 43 hornfels 43 carbonic acid 43 quartz feldspar porphyry intrusive 43 Borealis basin 43 inner moons 43 microbial ecosystems 43 antiferromagnets 43 metastable 43 Higgs particle 43 ultramafic sequence 43 lunar crater 43 NASA QuikScat satellite 43 quartz vein stockwork 43 basal layer 43 rusticles 43 Candor Chasma 43 sedimentary formations 43 phreatic 43 Hawaiian Volcano Observatory 43 andesite flows 43 interferometric synthetic aperture radar 43 Quaternary Period 43 Seismicity 43 Veta Madre 43 asteroid belt 43 copper oxides 43 Snowball Earth 43 Teton Fault 43 quartz 43 seismic anisotropy 43 westerly dipping 43 HARPS instrument 43 intrusive rocks 43 asteroseismology 43 Greenland icesheet 43 carbon isotopes 43 overthrust 43 olivines 43 electron orbits 43 YORP effect 43 orbits Saturn 43 Great Oxidation Event 43 sediment