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(Click for frequent words.) 64 eolian 63 evaporite 60 lapilli 60 basaltic rocks 60 sedimentary deposits 60 phyllosilicate 60 magmatism 59 mineral olivine 59 siliciclastic 59 erosional 58 yardangs 58 volcanoclastic rocks 58 Late Paleozoic 58 flood basalts 58 thermal gradients 58 Neogene 58 lacustrine 57 Oceanus Procellarum 57 lowermost mantle 57 Reiner Gamma 57 oceanic lithosphere 57 meridional 57 carbonate sediments 57 Plio Pleistocene 57 lunar crust 57 Navajo Sandstone 57 isotopic compositions 57 Neoproterozoic 56 hydrated silica 56 tectonic uplift 56 Syrtis Major 56 jovian 56 airglow 56 turbidite 56 outwash 56 ejecta blanket 56 massifs 56 phyllosilicates 56 olivines 56 subseafloor 56 peridotites 56 granitoids 56 circumstellar 56 lunar craters 56 compressional 56 paleochannel 56 Arabia Terra 56 komatiitic 56 dolomites 56 anorthosite 56 brittle deformation 55 circumstellar disk 55 cratons 55 mantle convection 55 downwelling 55 polar vortex 55 eclogitic 55 eclogite 55 crossbedding 55 glacial outwash 55 rifting 55 Kermadec Arc 55 lunar equator 55 hydrosphere 55 Paleozoic sedimentary 55 orogenic 55 smectite 55 depositional environment 55 mineralogical composition 55 vanadate 55 sediments deposited 55 accretionary 55 silicic 55 carbonate formations 55 ignimbrite 55 magnetospheric 55 planetesimal 55 metamorphic rock 55 Fossae 55 Candor Chasma 55 landforms 55 basalt rock 55 Caloris 54 claystone 54 depositional 54 explosive volcanism 54 ophiolite 54 continental rifting 54 IOCG deposit 54 Sedimentary rocks 54 karstic 54 biogeochemical 54 vorticity 54 loess 54 hydrothermal activity 54 cinder cones 54 Saharan Desert 54 collisional 54 lava tubes 54 teleconnections 54 equatorial latitudes 54 clastic sediments 54 granite greenstone 54 grabens 54 tropospheric 54 infall 54 strontium isotope 54 basaltic 54 silty limestone 54 fine grained sediment 54 ferric oxides 54 weakly interacting 54 geothermal gradient 54 vein quartz 54 mantle plumes 54 esker 54 meteor impacts 54 layered ultramafic 54 Fig. 1b 54 lithosphere 54 Messinian 54 hydrothermal fluid 54 Permo Triassic 54 subvolcanic 54 sedimentary sequences 54 karst limestone 54 dipolar 54 igneous rock 54 planetary atmospheres 54 tuffaceous rocks 54 Upper Miocene 53 coastal upwelling 53 peridotitic 53 Mesoproterozoic 53 evaporite deposits 53 craton 53 pyroclastic 53 windblown sand 53 basalts 53 detrital 53 plagioclase 53 quartz alunite 53 BIFs 53 adsorbate 53 McMurdo Dry Valleys 53 Fig. 4B 53 tropopause 53 atmospheric convection 53 ductile deformation 53 Proterozoic age 53 layered mafic 53 orbital eccentricity 53 active volcanism 53 olivine rich 53 granodiorite porphyry 53 magnetic dipole 53 felsic tuff 53 exhalite 53 quartz sericite alteration 53 tectonically 53 hematite mineral 53 amphibolite facies 53 yr -1 53 sulfate aerosols 53 phreatic 53 geomorphological 53 Triassic Jurassic 53 manganese oxides 53 deep convective clouds 53 volcanic tuff 53 silicate mineral 53 basalt flows 53 olivine 53 chlorophyll concentrations 53 metamorphism 53 gyres 53 gabbro dykes 53 REE bearing 53 anticyclonic 53 Olympus Mons 53 anisotropy 53 protoplanetary discs 53 isotope fractionation 53 Cretaceous sediments 53 Valles Marineris canyon 53 cavitations 53 Ontario Lacus 53 coronal loop 53 volcanism 53 sulfidic 53 Cambrian Ordovician 53 Valles Marineris 53 foreland 53 upper tropospheric 53 paleomagnetic 53 graphitic conductors 53 glacial moraine 53 ignimbrites 52 advection 52 Sinus Meridiani 52 Late Ordovician 52 convective 52 amphibolites 52 lunar highlands 52 interannual variability 52 quantum criticality 52 geochronology 52 geomorphic 52 carbonate minerals 52 Madden Julian Oscillation 52 subterranean caves 52 deformational 52 benthic foraminifera 52 magnon 52 granitic rock 52 Jupiter magnetosphere 52 Jupiter moon Io 52 fluvial 52 anhydrite 52 turbidites 52 fine grained sediments 52 carbonaceous chondrites 52 infrared spectral 52 pediment gravels 52 hydrothermal venting 52 terrane 52 Tharsis 52 dynamical processes 52 hydrothermal brecciation 52 volcanic sediments 52 dolostone 52 Aram Chaos 52 silicon monoxide 52 fault scarp 52 nonequilibrium 52 silicate rocks 52 subhorizontal 52 Taklimakan 52 moon Io 52 Lophelia 52 hematite goethite 52 dolerite 52 lateritic 52 mesoscale 52 Jurassic Cretaceous 52 prebiotic molecules 52 neutrino mass 52 biotite rich 52 sulphidic 52 post perovskite 52 magnetite bearing 52 polariton 52 katabatic winds 52 thermal gradient 52 thrust faulting 52 Siberian Traps 52 sedimentary layer 52 delocalized 52 calcareous 52 orographic 52 fault scarps 52 midlatitudes 52 superposed 52 altitudinal 52 magmatic 52 mineral hematite 52 crystalline solids 52 pillow basalts 52 basaltic rock 52 isotopic ratios 52 galactic disk 52 cenospheres 52 Felsic 52 oceanic 52 olivine crystals 52 HiRISE image 52 Saturnian moons 52 Mare Imbrium 52 ultramafic rock 52 dacitic 52 pyrite galena 52 sandstone formations 52 Southern Oscillation 52 Archaean 52 cosmic ray intensity 52 Terra Meridiani 52 cosmic ray flux 52 petroliferous 52 speleothems 52 Upsilon Andromedae 52 Arsia Mons 52 manganese nodules 52 talus slopes 52 electronic excitations 52 extrusive 52 coronal loops 52 Earths crust 52 oxygen isotopic 52 landmasses 52 Geologically speaking 52 Ca2 52 mineralising 51 Palaeozoic sedimentary 51 terranes 51 mafic intrusion 51 cherts 51 physiographic 51 overlying sediments 51 basalt volcanic 51 B Chromitite 51 deglaciation 51 comet nuclei 51 Martian volcanoes 51 mineralized mafic 51 spodumene bearing 51 seafloor sediments 51 abyssal 51 amphibolite 51 electromagnetic flux 51 chemosynthetic 51 pyroclastics 51 mT 51 gabbro intrusive 51 Ediacara 51 NASA QuikScat satellite 51 Comet Tempel Tuttle 51 andesitic rocks 51 ocean basins 51 volcanic basalt 51 ancient lava flows 51 stratigraphic sequence 51 illite 51 fringing reef 51 methane hydrate 51 Upper Jurassic 51 diffusive 51 aerosol particles 51 filamentary structures 51 wavelike 51 oceanic currents 51 locally graphitic 51 planktonic 51 graben 51 pillow lavas 51 periodicities 51 argillaceous 51 nebular 51 IRC +# 51 komatiite 51 igneous rocks 51 gypsum crystals 51 upper troposphere 51 Sand dunes 51 advanced argillic alteration 51 lithic 51 crystallites 51 skarn alteration 51 phytoplankton blooms 51 sulphide veins 51 hydrothermal fluids 51 basaltic lava 51 quartz feldspar porphyry intrusive 51 Hellas Planitia 51 crustal thickness 51 Kelvin Helmholtz 51 embayment 51 electron density 51 horst 51 ferroelectricity 51 Pavonis Mons 51 electron diffusion 51 Saharan dust 51 hydrothermally 51 stony meteorites 51 Outcrops 51 hydrothermal vent 51 structural stratigraphic 51 magnetic susceptibility 51 interstellar dust clouds 51 Paleogene 51 ocean eddies 51 kyr 51 Herschel Crater 51 wrinkle ridges 51 stockwork vein 51 goethite 51 mineralized alteration 51 Rossby waves 51 electromagnetic geophysical survey 51 volcanic caldera 51 Anisotropy 51 calderas 51 Lengai 51 Gusev crater 51 colluvial 51 pyroxene 51 spatial variability 51 circumstellar disks 51 solar prominences 51 pyrope 51 Cenozoic 51 extinct volcanoes 51 temporal variability 51 metasomatic 51 arenite 51 particle acceleration 51 bathymetry 51 anthropogenic CO 51 porphyry intrusions 51 Corot 9b 51 stratiform 51 diorites 51 serpentinite 51 coriolis 51 relativistic electrons 51 incandescent lava 51 precessing 51 Trichodesmium 51 jarosite 51 inhomogeneities 51 nuclides 51 crustal 51 bacterial mats 51 microscopic phytoplankton 51 East Kivu Graben 51 Seafloor 50 calc silicate 50 meridional overturning circulation 50 Fig. 1A 50 metallicity 50 planetary surfaces 50 extrasolar 50 Lagoon Nebula 50 Saturn magnetosphere 50 Kuiper belt 50 inhomogeneous 50 foliation 50 climatic variations 50 igneous 50 floristic 50 auroral 50 Milankovitch cycles 50 intraplate 50 Wollaston Domain 50 Middle Devonian 50 carbonaceous material 50 carbonatites 50 lapilli tuff 50 autotrophic 50 Seagull Intrusion 50 extensional 50 basalt rocks 50 Tuamotu Archipelago 50 longwave radiation 50 seabed sediments 50 Antarctic Dry Valleys 50 Hydrothermal 50 bandgaps 50 biogenic 50 subsurface ocean 50 volcano sedimentary sequences 50 Alaskite 50 mantle lithosphere 50 Wolf Rayet stars 50 karst topography 50 geodynamic 50 crustal rocks 50 dunite 50 Balarat Project 50 Doppler shifts 50 asthenosphere 50 anisotropic 50 volcanic ridges 50 Jurassic sandstone 50 Kraken Mare 50 meta sedimentary 50 chemically reactive 50 Earth biosphere 50 silicate dust 50 spheroidal 50 THEMIS Image 50 NEAs 50 IR spectra 50 Mott insulator 50 colliding tectonic plates 50 layered sedimentary rock 50 altered andesitic 50 Phanerozoic 50 intrusive granitic 50 biogeographic 50 volcanic lava 50 anticlines 50 Mariana Arc 50 volcanic plumes 50 Jurassic sandstones 50 cirrus cloud 50 sunlike stars 50 Mistaken Point 50 Terra Sirenum 50 sedimentary strata 50 granite gneiss 50 temperature gradient 50 rhyolites 50 volcanoclastic 50 hydrated electron 50 quasicrystal 50 icy moons 50 ionized hydrogen 50 midlatitude 50 halite 50 equatorial 50 sulfide deposits 50 quasiparticle 50 planetary magnetospheres 50 Noachian 50 Lower Proterozoic 50 siliceous 50 hornblende 50 layered outcrops 50 polar latitudes 50 volcanic magma 50 silicified andesite 50 granitic 50 hydrocarbon accumulations 50 basaltic flows 50 pillow lava 50 biomorphic shapes 50 vuggy silica 50 subpolar gyre 50 high redshift galaxies 50 overthrust 50 moonquakes 50 tectonic plate movements 50 Aeolian 50 polynya 50 Paleozoic carbonate 50 olivine mineral 50 relativistic speeds 50 Quadrantid 50 crystalline quartz 50 volcanogenic 50 Palaeozoic 50 dispersive 50 spodumene bearing pegmatite 50 Tharsis Rise 50 stratospheric clouds 50 silicate minerals 50 lobate 50 leached capping 50 marine biota 50 andesitic volcanic rocks 50 eddy currents 50 tectonic activity 50 Remarkable Rocks 50 called lobate scarps 50 limestone karst 50 brownish haze 50 clathrates 50 polar mesospheric clouds 50 Sr Ca 50 kaolinite 50 chromosphere 50 crackle breccia 50 granite outcrops 50 spatially resolved 50 lobate scarps 50 terrestrial biosphere 50 overlying sandstone 50 Fig. 2a 50 drumlins 50 stratovolcano 50 chromitite 50 atmospheric aerosol 50 latitudinal 50 cobalt atoms 50 micrometre sized 50 filamentary 50 meridional flow 50 Kasei Valles 50 spinels 50 primitive meteorites 50 Comet Halley 50 circular depressions 50 microphysical 50 Alfven waves 50 planktonic foraminifera 50 dense clumps 50 asteroidal 50 Envisat ASAR 50 surficial 50 polypeptide chain 50 granitic basement 50 oceanic circulation 50 REE enriched 50 karsts 50 volcaniclastic 50 coronal mass ejections CMEs 50 Orientale Basin 50 atmospheric aerosols 50 isotope composition 50 pyrrhotite mineralization 50 Diatoms 50 #,#-#,# ft. 50 filamentary structure 50 shear modulus 50 sulfate minerals 50 volcano sedimentary 50 superluminal 50 SNR #-#.# 50 Jovian planets 50 magnetite alteration 50 rugged topography 50 Cretaceous Jurassic 50 quantum oscillations 50 Orogeny 50 isostatic rebound 50 Saturn Enceladus 49 carbon isotopes 49 cyclicity 49 eskers 49 Roque de los 49 alteration halos 49 orogenic gold deposits 49 volumetrically 49 Nernst 49 glacial meltwater 49 radar altimetry 49 ferruginous 49 Earth ionosphere 49 GJ#b 49 shadowed craters 49 chondrules 49 unconventional superconductivity 49 magmas 49 recrystallized 49 sedimentary 49 helicity 49 lithospheric 49 andesitic volcanic 49 rubbly 49 Cretaceous Paleogene boundary 49 palaeochannels 49 phytoplankton populations 49 subaqueous 49 phonon 49 alongshore 49 oligotrophic 49 mesocyclone 49 climatic variability 49 Planitia 49 lavas 49 Cretaceous periods 49 mantling 49 diffusion coefficients 49 dipole moment 49 ultramafic intrusives 49 hydrothermal 49 metal zonation 49 clasts 49 rock outcrops 49 Moho 49 Noachian era 49 sulfide minerals 49 ionise 49 lunar meteorites 49 clastics 49 gabbro dyke 49 marine sediments 49 mantled 49 diatreme breccias 49 oppositely directed 49 nightglow 49 sandstone intervals 49 biomineralization 49 Bose Einstein condensates 49 Archean aged 49 abyssal plain 49 fragmental 49 Acacus 49 Jurassic Triassic 49 felsic volcanic 49 multidecadal 49 hydrocarbon reservoirs 49 receding glacier 49 geothermic 49 tidally 49 globulars 49 mesic 49 spectroscopic analysis 49 magnetized plasma 49 quartz adularia 49 depositional environments 49 oceanic ridges 49 Martian dust 49 crystalline 49 volcanic breccias 49 isotherms 49 geophysical conductors 49 Martian craters 49 isostatic 49 geophysically 49 punctate 49 retroreflector 49 calcareous sandstone 49 soliton 49 jagged coastline 49 basalt lava 49 Antarctic icecap 49 ionized gases 49 Cenomanian 49 sequester atmospheric 49 continental crust 49 subcrop 49 neutrino experiments 49 infrared spectra 49 Vastitas Borealis 49 rhyolite tuff 49 quartz muscovite 49 geomorphology 49 Maastrichtian 49 intermolecular forces 49 mafic intrusive 49 micrometer sized 49 komatiites 49 pelitic gneiss 49 spherically symmetric 49 filamentous algae 49 aeromagnetic anomaly 49 lamprophyre 49 andesitic 49 meteor craters 49 crystalline silicates 49 arsenopyrite pyrite 49 subpolar 49 Racetrack Playa 49 Raman spectra 49 CAIs 49 silicified zone 49 multi decadal 49 magma ocean 49 galactic halo 49 rotating updraft 49 explosive eruptions 49 magnetopause 49 chlorine monoxide 49 heterogeneities 49 constellation Centaurus 49 northeasterly trending 49 morphological evolution 49 tropical savannah 49 massive sulfide mineralization 49 gray hematite 49 gravity anomalies 49 Trifid Nebula 49 oxidized mercury 49 Agulhas Current 49 shallowing 49 magnetite hematite 49 superlattices 49 prevailing westerly winds 49 tropical latitudes 49 disseminated sulphide mineralization 49 fibrillar 49 Plate tectonics 49 Elysium Planitia 49 galactic clusters 49 biogeochemical processes 49 Neutron Detector 49 ultracold gas 49 planet Gliese #c 49 poleward 49 Navajo sandstone 49 hydrated minerals 49 spatial scales 49 coarser grained 49 aerosol concentrations 49 tides currents 49 TrES 4 49 Nili Fossae 49 rhyodacite 49 albedo reflectivity 49 heliospheric 49 cretaceous 49 regolith 49 magnetic polarity 49 velocity dispersion 49 hypersaline 49 Dry Valleys 49 advanced argillic 49 hydroxyl molecules 49 stratigraphic horizons 49 felsic tuffs 49 underwater volcanoes 49 North Pacific Gyre 49 north easterly trending 49 Hellas Basin 49 electrical resistivity 49 Bingiza 49 stromatolite 49 Milankovitch 49 solvation 49 tectonic movements 49 leeward slopes 49 planetesimals 49 unconsolidated sediments 49 meteorite impacts 49 protoplanets 49 spinifex 49 oceanic trenches 49 Magellanic 49 magmatic sulphide 49 hydrological cycle 49 permanently shadowed craters 49 Ordovician extinction 49 graphitic 48 metalliferous 48 phytoplankton bloom 48 felsic rocks 48 Dust devils 48 quartz biotite 48 intensely oxidized 48 X ray emission 48 diatremes 48 outcrops 48 tholins 48 Arsenopyrite 48 solar nebula 48 loess soil 48 sulfidation 48 Precambrian rocks 48 Paleozoic 48 Keg River 48 Galilean satellites 48 peridotite 48 planets asteroids 48 Miocene Pliocene 48 shallowly buried 48 cryovolcanism 48 Matoush fault 48 weak gravitational lensing 48 palaeo 48 isotopic anomalies 48 Puna Pau 48 photosphere 48 calcic 48 meteoroids 48 calc alkaline 48 Chicxulub crater 48 Saturnian moon 48 Neutron stars 48 ultramafic volcanic 48 ULIRGs 48 geologies 48 aluminous 48 Crozet Islands 48 alluvial flats 48 previously unmapped 48 Bedout 48 constellation Serpens 48 desertified 48 pyrite magnetite 48 mafic intrusive rocks 48 manganese mineralization 48 semidesert 48 intrusive breccias 48 mylonite 48 cirrus 48 felsic intrusive 48 chlorophyll fluorescence 48 tonalite 48 Widely spaced 48 sedimentary layers 48 hydrologic cycle 48 geologic 48 zodiacal dust 48 anthropogenic carbon dioxide 48 synthetic aperture 48 ostracods 48 methanogenic 48 nebulosity 48 supergiant star 48 karst terrain 48 Chromitite 48 vibrational modes 48 accretion disks 48 millimeter wavelengths 48 felsic metavolcanic 48 Permian Triassic 48 phytoplankton microscopic 48 porphyritic andesite 48 Subarctic 48 neutron spectrometer 48 hydric 48 electromagnetic anomalies 48 felsic intrusives 48 proto planetary disk 48 thermally induced 48 supernova SN 48 hematite magnetite 48 alluvial plains 48 ejecta 48 Gondwanan 48 bedrock outcrops 48 J# +# [002] 48 gabbros 48 stellar occultations 48 volcanic cone 48 APXS 48 permanently shadowed regions 48 CoRoT 9b 48 rotational axis 48 retrograde orbit 48 electrons emitted 48 binary asteroid 48 Late Devonian 48 pyroxenites 48 porphyritic 48 upwellings 48 magnetic monopoles 48 surface plasmon 48 Laterite 48 KBOs 48 aluminum silicate 48 albitite 48 moon Mimas 48 isotope ratios 48 Trifid 48 magnetite skarn 48 topological defects 48 Paleozoic sediments 48 Polar Regions 48 Antarctic stratosphere 48 Jurassic limestone 48 millimetric 48 Kambalda style 48 lenticular clouds 48 calcite 48 quark gluon 48 coeval 48 intermetallic compounds 48 basaltic magma 48 Mars Meridiani Planum 48 mica schist 48 lithium bearing brines 48 southern latitudes 48 polar icecap 48 elevational 48 Ruwenzori Mountains 48 Veil Nebula 48 quartz sericite 48 molten magma 48 Doushantuo Formation 48 silicate mantle 48 coralline 48 saprolitic 48 eclipsing binary 48 sulfur isotopes 48 magnetite crystals 48 Indian Ocean Dipole 48 solidified lava 48 atomic lattice 48 Proteobacteria 48 mud volcanoes 48 Imbrium 48 Cretaceous sandstones 48 spherical particle 48 VY Canis Majoris 48 pyrophyllite 48 Athabasca Valles 48 anastomosing 48 tectonic stresses 48 limestone outcrops 48 Southern Annular Mode 48 Avalonia 48 granitic intrusion 48 opaline silica 48 Ulysses spacecraft 48 sedimentary rock 48 silts 48 magnetotail 48 orthogonally 48 glacial valleys 48 SMBH 48 sedimentary basin 48 Kerguelen Plateau 48 abyssal plains 48 Kuiper Belt Objects 48 basalt columns 48 temperate forests 48 stockwork veins 48 quartz magnetite 48 metazoan 48 thermal inertia 48 stalactite 48 substorm 48 subglacial 48 R Coronae Borealis 48 nitrogen fixation 48 marine plankton