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(Click for frequent words.) 70 molten magma 66 magma 66 calderas 65 Yellowstone caldera 65 caldera 64 hydrothermal fluids 63 lavas 63 magma chambers 63 subglacial lakes 63 crustal 62 molten rock 62 stratovolcano 61 sediments deposited 61 asthenosphere 61 Pu'u O'o 61 magmas 61 oceanic crust 61 supervolcano 60 Jurassic limestone 60 tectonic stresses 60 Yellowstone supervolcano 60 volcanic crater 60 hydrothermal fluid 60 fumaroles 60 hydrothermal activity 60 magma molten rock 59 lava flows 59 basalt lava 59 meltwater 59 sedimentary deposits 59 magmatic hydrothermal 59 earths crust 59 Earth crust 59 Jurassic sandstone 59 Siberian Traps 59 Halemaumau 59 hydrothermal 59 Lake Vostok 59 mineralizing fluids 59 lava domes 59 Kilauea volcano 59 manto mineralization 59 silicate rocks 58 grabens 58 lithosphere 58 volcanic lava 58 basalt volcanic 58 Kamoamoa eruption 58 igneous rock 58 volcano lava dome 58 lava tubes 58 Yellowstone Caldera 58 metamorphic rocks 58 carbonate minerals 58 volcanic caldera 58 magmatic 58 earth crust 58 lava fountains 58 basaltic lava 58 basaltic rocks 58 flood basalts 58 ignimbrite 58 ejecta 57 explosive eruptions 57 undersea volcanoes 57 lava 57 Athabasca sandstone 57 lava tube 57 graben 57 temperature gradient 57 basalt 57 upflow 57 saline aquifer 57 porous sandstone 57 cinder cones 57 lava flowed 57 granitic basement 57 solar nebula 57 fissure eruption 57 pore spaces 57 Puu Oo 57 volcanic magma 56 crustal magma chamber 56 subglacial 56 overlying layers 56 pillow lavas 56 Tharsis 56 palaeochannels 56 pyroclastic material 56 komatiitic 56 crustal rocks 56 magma ocean 56 basalts 56 hydrocarbon accumulations 56 eruptive activity 56 pyroclastic flow 56 molten rocks 56 GJ#b 56 andesitic rocks 56 ejecta blanket 56 magmatism 56 Mount Mazama 56 solidified lava 56 Jurassic sandstones 56 continental crust 56 Valles Marineris 56 mineralizing system 56 sedimentary layers 56 cratons 55 basalt rock 55 fault scarp 55 Bedout 55 crestal 55 anticlines 55 subglacial lake 55 Pu ` 55 Deccan Traps 55 comet nuclei 55 lunar crust 55 stratigraphic sequence 55 impermeable shale 55 Cerberus Fossae 55 volcanic tuff 55 volcanism 55 pyroclastics 55 crater 55 dolomites 55 magma cools 55 acquifer 55 felsic tuff 55 steam vents 55 limestone bedrock 55 eruptive phase 55 basalt flows 55 alluvial sediments 55 extinct volcanoes 55 granitoids 55 undersea volcanic 55 REE enriched 55 Cumbre Vieja 55 Halemaumau crater helps 55 stratigraphically 55 explosive volcanism 55 tectonically 55 volcanic cone 55 tectonic activity 55 epithermal deposit 55 seafloor sediments 55 calcareous sediments 55 limestone aquifer 55 planetesimals 55 Peridotite 55 nanobubbles 55 breccia pipes 55 glacial meltwater 55 quartz adularia 55 porous limestone 55 geothermal gradient 55 Cambrian Ordovician 55 Oort Cloud 55 pyroclastic 54 andesitic volcanic rocks 54 Olympus Mons 54 Laurentide Ice Sheet 54 felsic dyke 54 volcano Katla 54 basaltic rock 54 Shiveluch 54 breccia pipe 54 Arsia Mons 54 mud volcanoes 54 overlying sediments 54 xenoliths 54 volcanic craters 54 clathrates 54 ignimbrites 54 Cretaceous sandstones 54 Martian crust 54 peridotites 54 volumetrically 54 lava flowing 54 Katla volcano 54 mineralized mafic 54 Ares Vallis 54 matrix porosity 54 lava flow 54 tectonic plate movements 54 peridotite 54 Basal Conglomerate 54 anhydrite 54 volcanic 54 andesitic 54 chondrules 54 overlying sandstone 54 Methane hydrate 54 Mud volcanoes 54 reservoir 54 jasperoid 54 Halema'uma'u Crater 54 metamorphic rock 54 saline aquifers 54 Amundsen Sea 54 volcanic ridges 54 oceanic plates 54 polynya 54 Kilauea Volcano 54 clastic sediments 54 surface geochemical anomalies 54 dolerite 54 mantle plumes 54 basaltic 54 tropopause 54 cryovolcanism 54 Laurentide ice sheet 54 halite 54 KT boundary 54 methane hydrates 54 Aquifers 54 erupting Kilauea volcano 54 vugs 54 igneous intrusion 54 turbidites 54 saprolitic 54 breccia zone 54 Mariana Arc 54 spherules 54 Chaitén volcano 54 circumstellar disk 54 caprock 54 degassed 54 swim bladders 53 subsurface ocean 53 Mount Bosavi 53 Saturn moon Enceladus 53 methane hydrate 53 moulins 53 granitic rocks 53 Saturn magnetosphere 53 crackle breccia 53 pediment gravels 53 Soufriere Hills volcano 53 phyllosilicate 53 olivine rich 53 carbonate sediments 53 embayment 53 rhyolitic 53 rhyodacite 53 mesosphere 53 glacial till 53 komatiite 53 altered porphyry 53 alluvial aquifer 53 pyrite halo 53 accretion disk 53 Kilauea caldera 53 lava spewing 53 volcanoclastic rocks 53 subduction zone 53 marine sediments 53 mineralized breccias 53 amphibolites 53 lunar craters 53 olivine mineral 53 Norris Geyser Basin 53 silicic 53 icecap 53 rhyolite tuff 53 mineralized intrusive 53 Cretaceous limestone 53 seafloor methane 53 Kilauea summit 53 sulfate aerosols 53 conductive zones 53 phreatic 53 massive sulphide horizon 53 pillow lava 53 mineralized lenses 53 horst block 53 colliding tectonic plates 53 IP geophysical anomaly 53 sediments 53 mountain lava dome 53 chromitite layers 53 Caballos Formation 53 sandstone horizons 53 microscopic bubbles 53 geologic 53 groundwater aquifer 53 Orcus Patera 53 sedimentary formations 53 tephra dam 53 Martian craters 53 toroid 53 glacier 53 tectonic boundary 53 Jupiter moon Io 53 meteoritic material 53 volcanic rock 53 stalactite 53 claystone 53 seafloor 53 bonebed 53 moon Mimas 53 mineralized breccia 53 Pavonis Mons 53 stratigraphically controlled 53 Endrod 53 felsic intrusion 53 ocean ridges 53 Alpine Fault 53 Jovian moon 53 enargite 53 lahars 53 runaway thermonuclear 53 limestone cavern 52 lava extrusion 52 hydrocarbon saturations 52 martian meteorites 52 volcanic gases 52 epithermal mineralization 52 coal seams 52 brecciated limestone 52 protoplanetary disk 52 sedimentary basin 52 Whillans Ice Stream 52 Caballos formation 52 hydrate deposits 52 hydrate crystals 52 volcanic activity 52 icy crust 52 andesite 52 mineralizing 52 clasts 52 lunar magma 52 Philippines Mayon volcano 52 HiRISE image 52 granite gneiss 52 volcanic ashes 52 subsurface aquifers 52 Snake River Plain 52 melted glacial 52 Mount Katla 52 fumarole 52 pelitic gneiss 52 exothermic reaction 52 paleochannel 52 hydrocarbon accumulation 52 supergene copper 52 massive sulphide lenses 52 moon Enceladus 52 plagioclase 52 sandstone intervals 52 rhyolites 52 lava eruptions 52 Hydrothermal 52 EW trending 52 mafic rocks 52 silicified limestone 52 iron carbonate 52 sulphide deposits 52 jarosite 52 ancient lakebed 52 Eagle Nest deposit 52 stockwork zone 52 Grímsvötn 52 siliceous sediments 52 kaolinite 52 intraplate 52 mountain gaping crater 52 erupting lava 52 cavern 52 Halemaumau crater 52 advanced argillic alteration 52 phyllosilicates 52 aeromagnetic anomaly 52 olivine 52 Syrtis Major 52 hydrothermally altered 52 zinc ions 52 karst terrain 52 lapilli 52 conductive anomaly 52 volcanoes 52 volcano 52 iron sulfide 52 acid leached 52 megaflood 52 megathrust earthquake 52 X ray emission 52 limestone xenoliths 52 Superheated 52 sandstone formations 52 diatreme breccia 52 anorthosite 52 dike swarm 52 pyrite mineralization 52 silicate minerals 52 gneissic rocks 52 hydrated minerals 52 mafic intrusion 52 Navajo sandstone 52 glacial lake 52 limonitic 52 mafic flows 52 mineralized shear zone 52 North Anatolian Fault 52 Palaeozoic sedimentary 52 fragmental 52 Paleozoic sedimentary 52 Krafla 52 sub glacial lakes 52 sulfidic 52 bentonite clay 52 igneous intrusive 52 Tharsis Rise 51 tephra 51 igneous rocks 51 rhyolite tuffs 51 galaxy supermassive black 51 Chile Chaiten volcano 51 sulphidic 51 quartz pyrite veins 51 Reiner Gamma 51 sulfide mineralization 51 Gakkel Ridge 51 Sulphide mineralization 51 mineralized boulders 51 fine grained sediment 51 atmospheric methane 51 pyrrhotite mineralization 51 sedimentary strata 51 impactors 51 alteration halo 51 hydrothermally 51 extensional 51 pegmatitic 51 saline formations 51 ancient lava flows 51 volcanic vent 51 Martian volcanoes 51 hydrothermal breccia 51 tuffaceous rocks 51 Footwall Zone 51 meteorite impacts 51 fine grained sandstone 51 Ellenburger formation 51 subhorizontal 51 underwater volcanoes 51 bedrock aquifers 51 skarn horizons 51 ultramafic sequence 51 photosphere 51 reservoir permeability 51 silicified zones 51 hangingwall 51 westerly dipping 51 Petrophysical analysis 51 geothermally 51 Lava flows 51 gabbroic rocks 51 Martian crater 51 calcite 51 icesheet 51 magnetic reconnection 51 hydrothermal magnetite 51 dacite 51 clastics 51 EM conductor 51 supervolcanoes 51 calcium sulphate 51 altered ultramafic rocks 51 basalt cliffs 51 ionized gas 51 erupt explosively 51 magma erupts 51 colluvium 51 supermassive stars 51 magnetosphere 51 subducted 51 hydrocarbon reservoirs 51 evaporite 51 metasediment 51 Mount Spurr 51 polar craters 51 Lava spews 51 Yellowstone geysers 51 secondary chalcocite 51 Alaskite 51 lacustrine 51 terminal moraine 51 volcanic stratigraphy 51 Eyjafjallajökull glacier 51 molten lava 51 amplitude anomalies 51 Devonian limestone 51 vuggy silica 51 Longmen Shan fault 51 massive sulphide zones 51 shear zones 51 Mount Redoubt volcano 51 ancient supercontinent 51 volcanic tuffs 51 Triassic formation 51 Antarctic glacier 51 diorite dyke 51 Martian permafrost 51 massive sulfides 51 glacier melts 51 Sicily Mount Etna 51 volcanoclastic 51 horseshoe shaped crater 51 anticlinal 51 Gamba sandstone 51 granodiorite porphyry 51 tungsten mineralization 51 post perovskite 51 Molten rock 51 domal 51 rhyolite porphyry 51 abyssal plain 51 sulphide veins 51 volcano sedimentary sequence 51 cataclysmic eruption 51 massifs 51 carbonate rocks 51 melt inclusions 51 sedimentary rock 51 hydrothermal vent 51 Amundsen Sea Embayment 51 elastic deformation 51 Gusev crater 51 mineralized hydrothermal 51 ultramafic rock 51 blue supergiant 51 hydrothermal vents 51 layered ultramafic 51 hematite mineral 51 mud volcano 51 disseminated chalcopyrite 51 Methane hydrates 51 potassically altered 51 rifting 51 fault scarps 51 electromagnetic anomaly 51 paleochannels 51 RS Ophiuchi 51 volcanic breccias 51 microchannels 51 galactic disk 51 inverted cone 51 Pu'u O'o crater 51 icy moons 51 seismogenic zone 51 erosional 51 hydroxyl molecules 51 permanently shadowed craters 51 outwash 51 Borealis basin 51 sedimentary sequences 51 mudpots 51 quartz stockwork zone 51 quartz magnetite 51 specular hematite 51 Kelut 51 tonalite 51 areal extent 51 dolomitic 51 moonlets 51 wallrock 50 Tertiary volcanic rocks 50 Miocene reservoir 50 shallowing 50 polar vortex 50 altered andesite 50 footwall rocks 50 foot Redoubt Volcano 50 WNW trending 50 mafic intrusive 50 disseminated pyrite mineralization 50 gas hydrates 50 Nares Strait 50 carbonate globules 50 vertical shafts 50 feldspar porphyry 50 quartz porphyry 50 mylonite 50 cinder cone 50 isotopic signature 50 subsurface 50 methane 50 ALH# 50 stockwork veining 50 microearthquakes 50 quartz carbonate veins 50 mineral olivine 50 tectonic plate dives 50 depositional 50 downwelling 50 diabase 50 carbonate 50 diorites 50 Pipe alteration 50 volcano sedimentary sequences 50 geologically 50 alaskite 50 Rotliegend sandstone 50 geysers 50 spicule 50 magma dome 50 underground workings 50 martian atmosphere 50 disseminated sulfide 50 lava erupting 50 methane clathrates 50 Turonian 50 lateritic 50 filamentary structures 50 felsic rocks 50 Glacial Lake 50 deep convective clouds 50 sulphate particles 50 quartz feldspar porphyry intrusive 50 leached capping 50 quartz monzonite 50 unmineralized 50 diatreme 50 silicate mineral 50 volcaniclastics 50 calcic 50 spherically symmetric 50 subduction 50 lava dome 50 gravity anomaly 50 lithocap 50 Kilauea Iki 50 volcanic basalt 50 quartz breccia 50 alteration halos 50 gaseous methane 50 volcano magma 50 Cu Au mineralization 50 silicon monoxide 50 southern supercontinent 50 seismicity 50 alluvium 50 carbonate reef 50 Magellanic Stream 50 amorphous silica 50 mantle lithosphere 50 gabbroic intrusion 50 eluvial 50 disseminated sulfides 50 breccia 50 volcanic cinders 50 pyrite veins 50 olivine crystals 50 aneurysm sac 50 aquifer 50 Felsic 50 carbonaceous chondrite 50 crust 50 tubules 50 perforated interval 50 pyrite alteration 50 Fram Strait 50 bastnasite 50 concretion 50 sulfidation 50 calc silicate 50 merging galaxies 50 hydrothermal explosions 50 polar icecap 50 ferric oxides 50 convection currents 50 exhalite 50 geyser 50 landmasses 50 karstic 50 Fomalhaut b 50 circumstellar 50 geophysically 50 Sierras Blancas 50 oceanic lithosphere 50 coccolithophores 50 alluvial gravel 50 chromosphere 50 basins 50 troposphere 50 veinlet 50 overpressure 50 Middle Eocene 50 ocean basins 50 tidally 50 quartz vein stockwork 50 icesheets 50 sediment 50 water vapor condenses 50 quartz alunite 50 cryostat 50 Heasler 50 GJ #b [002] 50 Martian equator 50 helium atoms 50 subducting plate 50 volcanically 50 skarn mineralization 50 bedrock outcrops 50 Miocene sands 50 groundwater aquifers 50 antimony mineralization 50 viscous fluid 50 basin 50 rubbly 50 Enceladus 50 superheavy elements 50 deglaciation 50 spews ash 50 lithospheric 50 diatremes 50 porphyry mineralization 50 icecaps 50 meta sedimentary 50 Saturnian moon 50 ultramafic intrusives 50 banded quartz 50 Paleozoic carbonate 50 Wolf Rayet star 50 Endurance Crater 50 andesite flows 50 subduction zones 50 Copperstone Fault 50 Transantarctic Mountains 50 Nankai Trough 50 lithium bearing brines 50 methane clathrate 50 stockwork mineralization 50 gabbro sill 50 Redoubt Volcano 50 porphyry dykes 50 underground aquifer 50 sulfide deposits 50 hypernova 50 placer workings 50 Mount Tarawera 50 Prairie Evaporite Formation 50 glacial sediments 50 silica breccia 50 silicified zone 50 strange quark 50 diabase dyke 50 gabbros 50 latite 50 glacial overburden 50 Proterozoic sediments 50 shallow aquifer 50 chemisorption 50 carbonatites 50 exosphere 50 hornfels 50 open pitable 50 hematite magnetite 50 supergene enrichment 50 volcaniclastic kimberlite 50 Permo Triassic 50 granodioritic 50 Eta Carinae 50 depositional environment 50 tectonic plate boundaries 50 quartz tourmaline veining 49 supercontinents 49 Tertiary volcanics 49 accretion disks 49 granitic intrusion 49 Pyroclastic flows 49 pericardial sac 49 lakebed 49 disseminated sulphide mineralization 49 unconsolidated sediments 49 basal layer 49 skarn alteration 49 permeabilities 49 McMurdo Dry Valleys 49 overlying sedimentary 49 circular magnetic anomaly 49 Okmok Volcano 49 Oligocene reservoir 49 clastic 49 Lengai 49 gabbroic 49 ultramafics 49 infalling gas 49 Cretaceous sedimentary rocks 49 Mars Squyres 49 dolomitized 49 shadowed craters 49 limestones 49 molybdenite mineralization 49 previously undrilled 49 stromatolite 49 NE trending 49 Bering Glacier 49 intrusive granitic 49 magnetic geophysical anomaly 49 Oort cloud 49 conical dome 49 magnetite BIF 49 quartz pyrite 49 Grimsvotn signaling 49 biotite rich 49 gold mineralizing 49 porphyritic 49 variably altered 49 syenite gneiss 49 #,#-#,# ft. 49 quartzite ridge 49 methane seeps 49 pyroxene 49 crustal plate 49 elliptical galaxy 49 breccias 49 Carbonera C7 49 Pyroclastic 49 tectonic plate boundary 49 geoneutrinos 49 sulfide bearing 49 karst topography 49 sodium atoms 49 pyroclastic surges 49 grade massive sulphides 49 manganese mineralization 49 superheated gases 49 type Ia supernova 49 mafic volcanic rocks 49 zircon crystals 49 coal seam 49 Kilimanjaro glaciers 49 mineralized horizons 49 hydrosphere 49 martian rocks 49 spheroidal 49 thermosphere 49 pelite 49 silica alteration 49 hornblende 49 Calaveras Fault 49 sericitization 49 gravity anomalies 49 volcanic eruptions 49 graben structure 49 planet magnetosphere 49 siliceous 49 geologic formations 49 Saturn Enceladus 49 rock formations 49 Jurassic reservoirs 49 aquifers 49 dolostone 49 gabbro intrusive 49 haematite 49 colluvial 49 CSAMT survey 49 glaciers 49 Arabia Terra 49 fissions 49 alaskites 49 sulphide lenses 49 quartz feldspar gneiss 49 cavitation bubbles 49 Upper Triassic 49 sub Athabasca unconformity 49 quartz carbonate veining 49 Paleozoic sediments 49 atmospheric moisture 49 comet nucleus 49 komatiites 49 geologic formation 49 abrasion tool 49 schistose 49 wallrocks 49 Jakobshavn 49 sulfate minerals 49 sulphide minerals 49 volcanically active 49 overlies 49 Endurance crater 49 Shatsky Rise 49 sulfate salts 49 Patagonian glaciers 49 seafloor sediment 49 starch granules 49 copper sulphide mineralization 49 Tharsis Montes 49 variably silicified 49 sulfide minerals 49 magnetite skarn 49 hazardous eruption 49 extinct volcano 49 Kareem Formation 49 albitite 49 silicified rocks 49 protostar 49 stratigraphic traps 49 Los Laches 49 lava oozed 49 Sakurajima 49 Nevado del Huila volcano 49 ionized hydrogen 49 fluid inclusions 49 Laguna Salada fault 49 Candor Chasma 49 Io volcanoes 49 resevoir 49 ionized particles 49 Martian dunes 49 gneisses 49 geological formations 49 plate tectonics 49 dunite 49 silicified outcrops 49 tidewater glaciers 49 Alpha #S# 49 outcrop exposures 49 carbonate reservoir 49 Cenomanian 49 crustal plates 49 massive sulphide intervals 49 microcracks 49 gamma ray emitting 49 groundwaters 49 kerogen 49 volcanics 49 hydrothermal mineralization 49 carbonic acid 49 pyritized 49 metasomatic 49 Lake Cheko 49 hydrologically 49 oxidized mercury 49 icy comets 49 sedimentary rocks 49 submarine volcanoes 49 locally graphitic 49 stony meteorites 49 Hollin formation 49 Venusian atmosphere 49 zirconium cladding 49 cryogenic propellants 49 sulphide breccia 49 cenote 49 altered andesitic 49 liquid helium 49 lowermost mantle 49 goethite 49 lithological contacts 49 Antarctic glaciers 49 Explosive eruptions 49 Baxter Shale 49 gabbro dykes 49 seamount 49 permanently shadowed lunar 49 schists 49 rhyolite 49 nucleate 49 drillship Discoverer Enterprise 49 mineral assemblages 49 Denali Fault 49 Halemaumau Crater 49 galactic clusters 49 quartz calcite 49 sedimentary layer 49 nanochannel 49 diorite porphyry 49 large oceanic plateaus 49 eudialyte 49 moonlet 49 brecciation 49 Melas Chasma 49 mineral apatite 49 altered tuff 49 unweathered 49 Late Paleozoic 49 Mesozoic sedimentary 49 volcaniclastic rocks 49 Veta Madre 49 isostatic rebound 49 Antarctic ozone layer 49 mineralized quartz vein 49 magnesium salts 49 plasmasphere 49 silica sulphide 49 orebodies 49 Iceland Eyjafjallajökull 49 barite veins 49 sedimentary sequence 48 thrust faulting 48 hardened lava 48 mineralized veins 48 magnetar 48 talus