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(Click for frequent words.) 77 gas hydrates 75 methane hydrate 72 clathrates 67 Gas hydrates 63 hydrate deposits 63 Methane hydrates 62 methane clathrates 61 methane clathrate 60 subglacial lakes 60 saline aquifer 60 kerogen 59 methane 59 methane hydrate deposits 59 Methane hydrate 59 prebiotic molecules 58 Hydrates 58 hydrates 58 Arctic permafrost 58 methane seeps 58 mud volcanoes 58 saline aquifers 57 undersea volcanoes 57 Lake Vostok 57 geological formations 56 magmas 56 silicate rocks 56 lunar craters 56 hydrocarbons 56 meteor impacts 55 subsurface ocean 55 subglacial 55 lunar magma 55 melting permafrost 55 carbonate globules 55 seafloor sediments 55 carbonate minerals 54 amorphous silica 54 hydro carbons 54 icesheets 54 zeolites 54 quark gluon plasma 54 subsurface 54 Snowball Earth 54 silicate minerals 54 molten magma 54 Fram Strait 54 sub glacial lakes 54 magma chamber 54 marine sediments 54 abiogenic 54 permafrost thaws 54 biogenic 53 lavas 53 hydrocarbon reservoirs 53 Bose Einstein condensation 53 sulfidic 53 gaseous methane 53 volcanic magma 53 saline formations 53 volcanic vents 53 underwater volcanoes 53 sedimentary deposits 53 underground geological formations 53 magma ocean 53 fluid inclusions 53 subglacial lake 53 sulfate aerosols 53 sedimentary rock 53 icecaps 53 polar caps 53 diatoms 53 moulins 53 subsalt cluster 53 undersea plumes 53 Alfven waves 53 permafrost melts 53 permanently shadowed craters 52 hydrothermal fluids 52 large oceanic plateaus 52 abiotic 52 Thawing permafrost 52 volcanism 52 permafrost 52 superfluids 52 Bose Einstein condensate 52 coccolithophores 52 ALH# 52 post perovskite 52 Bose Einstein condensates 52 Cryogenian 52 Amundsen Sea Embayment 52 hydrothermal activity 52 pre biotic 52 gaseous hydrocarbons 52 shales 52 magnetic monopoles 52 Snohvit 52 Jupiter moons Europa 52 comet nuclei 52 carbon dioxide sequestration 52 sulfide minerals 52 Arctic Ocean 52 graphane 52 hydrate crystals 52 arctic permafrost 52 hydrogen isotopes 52 anthropogenic carbon dioxide 52 jarosite 52 noble gases 52 Melting Arctic 52 Bedout 52 hydrothermal vents 52 CO2 sequestration 52 basaltic rocks 52 iron sulfide 52 Siberian Traps 52 antiferromagnets 52 sulphide deposits 52 silicates 52 Nenana Basin 52 hydrocarbon accumulations 52 subsurface plumes 51 photosynthetic organisms 51 polar craters 51 regolith 51 glacial meltwater 51 Permian extinction 51 asteroid impacts 51 Tar sands 51 supervolcanoes 51 topological insulators 51 climate modellers 51 explosive eruptions 51 deglaciation 51 evaporite deposits 51 nanobubbles 51 oxidized mercury 51 hydrate formation 51 permanently shadowed regions 51 planetesimals 51 chemically reactive 51 cryosphere 51 mineral olivine 51 superheavy elements 51 Siberian permafrost 51 Trichodesmium 51 hydro fracturing 51 olivine mineral 51 chemical reactivity 51 moon Europa 51 ultracold atoms 51 supersymmetric particles 51 dynamical processes 51 isotope fractionation 51 deca BDEs 51 earth crust 51 Carbon dioxide CO2 51 stratospheric clouds 51 geosequestration 51 potent greenhouse gas 51 hydrothermally 51 Martian craters 51 hydrological cycle 51 volcanic gases 51 hydrocarbon 51 cryovolcanism 51 Cabeus 51 Greenland Antarctica 51 biosignature 51 solar nebula 51 element osmium 50 Shakhova 50 superfluidity 50 sterile neutrino 50 methanogenic bacteria 50 Jovian moon 50 biomineralization 50 explosive volcanism 50 Palaeocene Eocene Thermal Maximum 50 impermeable shale 50 Semiletov 50 GJ #b [001] 50 supersolid 50 antimatter atoms 50 noxious gasses 50 deep saline aquifers 50 lunar soil 50 evaporite minerals 50 sequestering carbon dioxide 50 lunar regolith 50 Mud volcanoes 50 seafloor methane 50 strangelets 50 hydrated minerals 50 Kermadec Arc 50 Greenland icesheet 50 sequestering CO2 50 bacterial mats 50 seabeds 50 chlorine monoxide 50 iron fertilization 50 aerosol particles 50 Earth biosphere 50 osmium 50 ice nucleation 50 astrobiological 50 geochemists 50 clathrate 50 hydrides 50 Tethys believes 50 turbidites 50 shale 50 marine organisms 50 silicon monoxide 50 hydrothermal vent 50 missing baryons 50 magma 50 supercomputer simulations 50 carcinogenic toxins 50 DBPs 50 geologic formations 50 water vapor 50 subduction zones 50 magmatic 50 degassed 50 submarine volcanoes 50 meteorite impacts 50 Martian crust 50 microplastics 50 Arctic Shelf 50 ethane propane butane 50 basalt lava 50 marine plankton 50 endocrine disrupting compounds 50 yedoma 50 tholins 49 bicarbonate ions 49 plankton blooms 49 basal sands 49 gases 49 hydrocarbon molecules 49 cenospheres 49 McMurdo Dry Valleys 49 mantle plumes 49 astrobiologists 49 sulfide deposits 49 technically recoverable 49 KT boundary 49 upwellings 49 meltwater 49 underground shale formations 49 sulphate particles 49 Paleocene Eocene Thermal Maximum 49 magma molten rock 49 neutron generators 49 ultradeep 49 Igor Semiletov 49 phytoplankton blooms 49 Otto Bliesner 49 LENR 49 Norne field 49 diamondoids 49 Jupiter moon Io 49 ozone O3 49 carbonyl sulfide 49 stony meteorites 49 carbonic acid 49 crystalline solids 49 halite 49 phyllosilicates 49 tectonic plate movements 49 hydrothermal fluid 49 mildly alkaline 49 hematite mineral 49 formamide 49 frazil ice 49 Great Oxidation Event 49 Verkhnechonskoye 49 tectonic stresses 49 ozone depleting gases 49 shadowed craters 49 shale formations 49 evaporite 49 sediments deposited 49 Seafloor 49 underground geologic formations 49 active volcanism 49 Melting glaciers 49 yttrium barium copper 49 rocky planets 49 atmospheric methane 49 sonoluminescence 49 layered sedimentary rock 49 megacryometeor 49 crustal 49 Martian volcanoes 49 Rossby waves 49 overlying layers 49 microbialites 49 Greenland ice 49 thermonuclear reactions 49 subsurface aquifers 49 underground coal seams 49 PFCAs 49 magma cools 49 geoengineering schemes 49 seabed sediments 49 supercooled 49 calderas 49 sylvite 49 thawing Arctic permafrost 49 Amundsen Sea 49 Hawking radiation 49 komatiitic 49 shale deposits 49 hydraulic fracturing fluids 49 geologic sequestration 49 CO -2 49 Oceanographers 49 basalt volcanic 49 sedimentary layers 49 Radioactive substances 49 Plate tectonics 49 melting icebergs 49 antimatter particles 49 Martian subsurface 48 Nectocaris 48 thawing permafrost 48 forams 48 naturally occurring methane 48 permafrost degradation 48 iron oxides 48 icesheet 48 inorganic compounds 48 Geochemistry 48 geology geophysics 48 martian meteorites 48 microscopic crystals 48 peridotite 48 Lunine 48 runaway greenhouse 48 chondrules 48 geomagnetic substorms 48 atmospheric nitrogen 48 atmospheric aerosols 48 Antarctica EPICA 48 icy moons 48 magnetic reconnection 48 geological sequestration 48 permafrost soils 48 Deccan Traps 48 thermal vents 48 Zeolites 48 toxic hydrogen sulfide 48 phenanthrene 48 anthropogenic warming 48 supercooled liquid 48 copper oxides 48 Cook Inlet basin 48 greenhouse warming 48 polynya 48 Arctic Coastal Plain 48 sulphate aerosols 48 tailing ponds 48 cosmic phenomena 48 silicate mineral 48 Ionic liquids 48 asphaltenes 48 glacial melting 48 drilling muds 48 oceanic crust 48 eudialyte 48 booming Bakken Shale 48 single celled algae 48 carbonates 48 Athabasca tar sands 48 Magellanic Stream 48 oceans 48 Zeebe 48 strangelet 48 iceberg calving 48 graphite whiskers 48 shale basins 48 Nares Strait 48 continental crust 48 basaltic rock 48 flood basalts 48 Hydrogen sulphide 48 fucoidan 48 atmospheric CO2 levels 48 Martian permafrost 48 REE enriched 48 hydrosphere 48 Bakken shale formation 48 liquid ethane 48 phyllosilicate 48 extrasolar 48 sequester CO2 48 outlet glaciers 48 coal seams 48 organic compounds 48 immiscible 48 Bose Einstein condensate BEC 48 Beaufort Seas 48 springtime ozone 48 exothermic reaction 48 icelike 48 nucleation 48 subsalt discoveries 48 Hydrothermal 48 Greenland Ice 48 polar ice 48 Sedimentary rocks 48 polynyas 48 exothermic 48 hydrated silica 48 induced seismicity 48 isostatic rebound 48 cosmic neutrinos 48 olivine 48 mineralogical composition 48 anaerobic oxidation 48 seafloor habitats 48 polar regions 48 hypernova 48 calcium carbonates 48 fumaroles 48 undiscovered hydrocarbon 48 volcanoclastic rocks 48 supervolcano 48 Agulhas Current 48 COFs 48 Diatoms 48 igneous rocks 48 Jakosky 48 sedimentary basins 48 Chicxulub impact 48 Earth crust 48 anthropogenic aerosols 48 Prirazlomnoye 48 ionic liquids 48 isotopic compositions 48 galaxy formation 48 high temperature superconductivity 48 Io volcanoes 48 photochemical reactions 48 spherules 48 solar neutrinos 48 Siberian Arctic 48 sediments 48 buckyballs 48 dimethyl sulphide 48 abyssal plains 48 undersea volcanic 48 organic molecules 48 Enceladus 48 microscopic bubbles 47 desorption 47 supercritical fluids 47 icy comets 47 sonofusion 47 groundwaters 47 carbon dioxide 47 sulfate minerals 47 Tharsis Rise 47 earths crust 47 hydraulically fracture 47 Athabasca sandstone 47 Antarctic glaciers 47 graphite oxide 47 manganese nodules 47 supergene copper 47 Paleoclimate 47 microbes 47 biodegraded 47 anthropogenic greenhouse gases 47 open pitable 47 polar icecaps 47 supermassive stars 47 geologic 47 anthropogenic CO2 47 Higgs bosons 47 melted glacial 47 lava tubes 47 abiogenesis 47 Einstein relativity theory 47 sulfate salts 47 Higgs singlet 47 coalbed 47 magnesium silicate 47 seafloor 47 ostracods 47 Arctic 47 nuclides 47 asphaltene 47 Coal seam 47 microbial ecosystems 47 spacetime 47 unventilated tunnel 47 methane gas 47 called gray hematite 47 Atlantic Multidecadal Oscillation AMO 47 subsurface geology 47 volcanic arcs 47 boson 47 galactic cosmic rays 47 ice crystals 47 Arctic icecap 47 thermal gradients 47 Lomonosov ridge 47 naturally occurring accumulations 47 neutralinos 47 hydrothermal 47 paleoclimate 47 anthropogenic emissions 47 anaerobic decomposition 47 bituminous sands 47 Natalie Mahowald 47 coalbed methane 47 IceCube 47 evaporites 47 microscopic organisms 47 flammable methane 47 crustal rocks 47 miscible 47 dwelling organisms 47 calcic 47 deepwater corals 47 oceanic circulation 47 Cretaceous sands 47 ultracold atomic 47 North Pacific Gyre 47 fumarole 47 convection currents 47 deep convective clouds 47 receding glaciers 47 anthropogenic CO 47 radioactive nuclides 47 Oort Cloud 47 liquid hydrocarbons 47 eco toxicological 47 gypsum crystals 47 stromatolites 47 Microbes 47 ancient supercontinent 47 Chazy Reef 47 icy crust 47 commercially recoverable 47 kimberlitic bodies 47 radioactive nuclei 47 Gakkel Ridge 47 Anthropocene 47 dirty snowballs 47 quasiparticles 47 carbon sequestration 47 planktons 47 microscopic algae 47 sulfolane 47 polyphosphate 47 silica particles 47 thermohaline circulation 47 shear thickening 47 GJ#b 47 Antarctic Ice 47 Sierras Blancas 47 fracturing fluids 47 seismic anisotropy 47 unconventional superconductivity 47 ultracold molecules 47 mantle convection 47 solidified lava 47 dolomites 47 ultracold 47 sulfate aerosol 47 geoneutrinos 47 neutrino physics 47 Explosive eruptions 47 Chicxulub 47 subseafloor 47 Lake Untersee 47 ocean fertilization 47 hydrologist Carolyn Driedger 47 lunar meteorites 47 lunar crust 47 unconventional hydrocarbon 47 interstellar clouds 47 thermosphere 47 ANDRILL 47 Antarctic ozone 47 Hawking Radiation 47 admiral asks 47 invisible odorless tasteless 47 glaciers melt 47 fermionic atoms 46 zinc sulfide 46 mineral hematite 46 coronal mass ejections 46 Saturn moon Enceladus 46 hydrogen 46 paleoclimatology 46 sequestered CO2 46 economically extractable 46 melt inclusions 46 Upsilon Andromedae b 46 lunar poles 46 carnallite 46 basalts 46 carbonaceous chondrite 46 amplifying feedbacks 46 thawing tundra 46 abyssal plain 46 megaflood 46 peridotites 46 methanogenesis 46 matter antimatter asymmetry 46 moonquakes 46 terrestrial biosphere 46 carbonatites 46 optical lattices 46 nanodroplets 46 iron sulphate 46 atmospheric oceanic 46 gyres 46 volcanoes 46 fission reactors 46 methane CH4 46 Scott Luthcke 46 ultracold temperatures 46 hydride 46 singularities 46 speleothems 46 Warmer oceans 46 tectonic movements 46 salt domes 46 Halemaumau 46 volcanic basalt 46 nanotube membranes 46 WIMPs 46 Acrylic acid 46 extremophiles 46 biogenic methane 46 potassium atoms 46 cosmological constant 46 microbial organisms 46 mesosphere 46 ozone munching 46 Higgs particle 46 desalinisation 46 Ordovician extinction 46 Yellowstone supervolcano 46 oceanographers 46 Chukchi Cap 46 QGP 46 fermions 46 magnetic substorms 46 pyroxene 46 thermal diffusivity 46 coronal mass ejections CMEs 46 ethane methane 46 polaritons 46 smallest ecological footprint 46 Nature Geoscience 46 deep saline aquifer 46 Polar Regions 46 Pseudo nitzschia 46 amphipods 46 unconventionals 46 antihydrogen atoms 46 climate modelers 46 polar oceans 46 acidic oceans 46 Eemian 46 lithosphere 46 supercontinent 46 glacial melt 46 oceanic 46 poisonous gasses 46 Linda Elkins Tanton 46 stratospheric ozone depletion 46 Oort cloud 46 aerogels 46 Cosmologists 46 anhydrite 46 melting glacial 46 BTEX 46 LHC experiments 46 magma chambers 46 polar icecap 46 clastic 46 Neoproterozoic 46 aragonite 46 Dreki area 46 Nenana basin 46 Venezuela Orinoco belt 46 olivine rich 46 oilsand 46 Yellowstone Caldera 46 Middle Eocene 46 seabed 46 Noachian 46 deplete oxygen 46 claystone 46 coal seams coalbed 46 superheavy element 46 interstellar dust grains 46 glaciers 46 Gravitational waves 46 anaerobic bacteria 46 meteorite fragments 46 Friis Christensen 46 Stratospheric ozone 46 habitable planets 46 Maastrichtian 46 drifting ice floe 46 Methane CH4 46 volcanic lava 46 Aram Chaos 46 shale gas 46 polyaromatic hydrocarbons 46 perchlorate salts 46 Greenland glacier 46 glacial cycles 46 pyroclastics 46 bioaccumulation 46 Corot 7b 46 Bruce Jakosky 46 geomicrobiology 46 chemisorption 46 subduction zone 46 alkenes 46 Snøhvit 46 abyssal depths 46 Engelder 46 anoxic 46 acid leaching 46 thermophiles 46 gravitational radiation 46 neutrino detectors 46 Microorganisms 46 supercritical CO2 46 sandstone intervals 46 anthracene 46 pillow lava 46 Shiveluch 46 Weiqing Han 46 atmospheric convection 46 technically recoverable oil 46 Coalbed methane 46 pentane 46 Liquefaction 46 geomechanics 46 permafrost melting 46 geological epoch 46 Antarctic ice 46 Milankovitch 46 refrozen ice 46 Saturn Enceladus 46 uranium ores 46 sedimentary rocks 46 walrus polar bears 46 aqueous phase 46 moons orbiting 46 fracing fluids 46 Antarctic Dry Valleys 46 planets atmospheres 46 permeability reservoir 46 Solar flares 46 syn rift 46 Jupiter icy moons 46 oxygenic photosynthesis 46 Ira Leifer 46 unicellular organisms 46 antiparticles 45 economically recoverable 45 catalytic reactions 45 Deccan volcanism 45 fermion 45 unmineable coal seams 45 hydroxyl molecules 45 steric zipper 45 merging galaxies 45 overlying sediments 45 biospheric 45 ionized gas 45 carbonaceous material 45 Yamal Peninsula 45 Velicogna 45 komatiites 45 Quaternary Period 45 alkane 45 inorganic salts 45 atmospheric CO 45 pore spaces 45 towing icebergs 45 Kuiper Belt Objects 45 type Ia supernovae 45 commercially exploitable 45 geochronology 45 depositional 45 planetary atmospheres 45 carbonate sediments 45 condensation nuclei 45 sodium salts 45 micro meteorites 45 superconducting materials 45 Polar Vortex 45 plate tectonics 45 DEPTHX 45 zirconium cladding 45 actinide 45 protein beta amyloid 45 mid Pliocene 45 undiscovered particle 45 coronal loops 45 tephra 45 polar mesospheric clouds 45 Spitsbergen archipelago 45 microscopic pores 45 megathrust earthquake 45 Venusian atmosphere 45 geothermal gradient 45 baryonic matter 45 polycarbonate plastic bottles 45 non baryonic 45 continental rifting 45 Lengai 45 Polycyclic aromatic hydrocarbons 45 ocean eddies 45 weak carbonic acid 45 protoplanets 45 Grimsvotn signaling 45 Himalayan Glaciers 45 methanogens 45 accretion disks 45 Dronning Maud Land 45 regassified 45 quantum phenomena 45 megathrust 45 sulfuryl fluoride 45 geo sequestration 45 underground caverns 45 concretions 45 calcium sulphate 45 glacial interglacial 45 Melting ice 45 Arctic outer continental 45 radioactive tailings 45 Stephane Udry 45 water vapor condenses 45 Antarctica 45 interstellar molecules 45 hydrocarbon accumulation 45 perchlorates 45 Paleogene 45 artificial photosynthesis 45 particle acceleration 45 cyanobacteria 45 BP ruptured Macondo 45 photic zone 45 steam vents 45 antihydrogen 45 photocatalysis 45 benthos 45 cosmological theories 45 Carbon sequestration 45 midlatitudes 45 polycyclic aromatic hydrocarbons PAHs 45 ammonia hydrate 45 manto mineralization 45 Antarctic Ice Shelf 45 carbonate reservoir 45 hydrocarbon gases 45 cratons 45 Martian microbes 45 molten rock 45 olivines 45 mafic intrusion 45 terrestrial ecosystems 45 asthenosphere 45 journal Meteoritics 45 earths 45 sulphates 45 carbonaceous chondrites 45 WASP #b 45 icy hydrates 45 methane hydrates exist 45 celled organisms 45 Gamba sandstone 45 permeable sandstone 45 shallower formations 45 albedo feedback 45 hydrothermal magnetite 45 crystalline silicates 45 iron titanium oxide 45 subsalt reserves 45 Mars Analog Svalbard 45 glacial interglacial cycles 45 palaeo 45 Acidification 45 magma mixing 45 quark gluon 45 degassing 45 hot Jupiters 45 surface temperatures SSTs 45 protoplanetary disk 45 Earthlike planets 45 phlogiston 45 paleomagnetic 45 moon Enceladus 45 Nature Geosciences 45 Deepwater Horizon gusher 45 meridional overturning circulation 45 Tampen area 45 CO2 45 Whillans Ice Stream 45 acoustic cavitation 45 polyphosphates 45 thermodynamically stable 45 chloride salts 45 Lona O 45 Cretaceous sediments 45 Terry Engelder 45 supercontinents 45 photosynthetic bacteria 45 algal mats 45 helium 45 AP Interview CG 45 lacustrine 45 fissure eruption 45 superfluid 45 silicate grains 45 axions 45 bosonic 45 virtually inexhaustible 45 Longmen Shan fault 45 crystallites 45 geophysics geology 45 spicule 45 Saturnian moon 45 Einstein equations 45 Himalayan river basins 45 Martian meteorites 45 planet Nibiru 45 andesitic rocks 45 verified experimentally 45 planetwide 45 chemical dispersants underwater 45 Gorgon Browse 45 fullerenes 45 sulfides 45 ZPE 45 porosity permeability 45 moon Mab 45 actinides 45 realSens ™ 45 boreal ecosystems 45 Sheet WAIS 45 alluvial sediments 45 fractured shale formations 45 ozone depletion 45 Aleklett 45 marine phytoplankton 45 condensates 45 porous sandstone 45 anthropogenic climate 45 Upper Carboniferous 45 mildly radioactive 45 Vengosh 45 aeolian 45 Earthlike 45 Cretaceous sandstones 45 homogeneous catalysis 45 weakly interacting 45 antineutrinos 45 quantum mechanically 45 Ontario Lacus 45 sulfuric acids 45 liquid droplets 45 thermally mature 45 vapor condenses 45 hydrogen sulphide 45 adsorbent 45 VB #b 45 shatter tightly compacted 45 goethite 45 isopods 45 lithospheric 45 Waipawa Black 45 ocean currents 45 lava fountains 45 Cretaceous Paleogene 45 montmorillonite 45 diatremes 45 lanthanides 45 Ice Coring 45 basaltic lava 45 hydroxyl radical 45 Opposes drilling 45 manmade CO2 emissions