A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site GEOLOGY AND PLANETARY SCIENCE    • a'a    • Acasta formation    • accretionary lapilli    • accretionary wedge    • active fault    • aftershock    • agate    • albedo feature    • alluvium    • Amazonian Epoch    • amethyst    • amphibole    • andesite    • anorthosite    • aquifer    • ash    • asteroid    • asthenosphere    • astrobleme    • banded iron formation    • Barringer Crater    • basalt    • basin    • batholith    • bauxite    • Benioff zone    • beryl    • biominerals    • biotite    • black smoker    • blind thrust fault    • body wave    • breccia    • calcite    • caldera    • Cambrian Period    • carbonate    • Carboniferous Period    • Cenozoic Era    • chalcedony    • chalk    • Chandler wobble    • chaotic terrain    • chert    • Chryse Planitia    • cinder cone    • cinnabar    • clastic rock    • conglomerate    • core    • corundum    • crater    • crater chain    • Cretaceous Period    • Cretaceous-Tertiary Boundary    • cross-cutting    • crust    • cryovolcanism    • cryptovolcano    • dacite    • dark halo crater    • debris avalanche    • Devonian Period    • differentiation    • dike    • dolomite    • Dry Valleys    • Earth    • Earth impact craters    • earthquake    • Ediacaran Period    • effusive eruption    • ejecta    • ejecta blanket    • elements, terrestrial abundance    • enstatite    • Eocene Period    • epicenter    • extrusive    • fault    • fault scarp    • feldspar    • fissure    • fluvial    • formation age    • fumarole    • gabbro    • galena    • gardening    • geodesy    • geoid    • geyser    • ghost crater    • Giant's Causeway    • gneiss    • graben    • granite    • Great Rift Valley    • grooved terrain    • Gusev Crater    • gypsum    • halite    • hematite    • Hesperian Epoch    • Holocene Epoch    • hornblende    • hornito    • horst    • hot spot    • hummock    • hypersthene    • ice volcanism    • Iceland spar    • igneous    • igneous age    • ilmenite    • impact basin    • impact crater    • impact melt    • inclusion    • intrusive    • Isidis Planitia    • Jurassic Period    • kipuka    • lahar    • lapilli    • lava    • lava delta    • lava flow    • lava fountain    • lava lake    • lava tube    • limestone    • limu    • lineament    • lithosphere    • littoral cone    • maar    • mafic    • maghemite    • magma    • magnetite    • mantle    • marble    • maria    • mascon    • matrix    • Meridiani Planum    • mesa    • Mesozoic Era    • metamorphic    • meteorite    • mica    • mid-ocean ridge    • Milankovich cycles    • mineral    • Miocene Epoch    • Mohs scale    • montmorillonite    • Morokweng Crater    • mud volcano    • multiringed basin    • Noachian Epoch    • norite    • obsidian    • old surface    • Oligocene Epoch    • olivine    • Olympus Mons    • Ordovician Period    • orthopyroxene    • outgassing    • P wave    • pahoehoe    • Paleozoic Era    • palimpsest    • Pangea    • Pele's hair    • Pele's tears    • peridotite    • permafrost    • Permian Period    • phreatic eruption    • pillow lava    • pit crater    • plagioclase    • planetary features    • plate tectonics    • Pleistocene Period    • plinean eruption    • Pliocene Epoch    • plume    • pluton    • polar wandering    • porosity    • Precambrian    • pressure ridges    • primordial atmosphere    • pseudocrater    • pumice    • pyroclastic    • pyroclastic flow    • pyroxene    • quartz    • quartzite    • Quaternary Period    • radiocarbon    • ray crater    • reducing atmosphere    • regolith    • relief    • resurfacing    • reticulite    • rhyolite    • rift valley    • rift zone    • rille    • ring, planetary    • rock    • S wave    • sandstone    • schist    • scoria    • secondary atmosphere    • secondary crater    • sedimentary    • seismic wave    • shale    • shatter cone    • shield volcano    • silica    • silicates    • sill    • Silurian Period    • slate    • Snowball Earth    • spatter    • spatter and cinder cone    • spatter rampart    • stishovite    • stratigraphic column    • stratigraphy    • stratovolcano    • stromatolite    • Strombolian eruption    • Sudbury Crater    • subduction    • surface wave    • talc    • tectonic    • tectonic plate    • tectonism    • tektite    • tephra    • terracing    • thrust fault    • tidal heating    • topography    • Triassic Period    • troctolite    • troilite    • tsunami    • Utopia Planitia    • vent    • viscuous relaxation    • volcanic ash    • volcanic block    • volcanic bomb    • volcanic dome    • volcanic gas    • volcanism    • volcano    • vulcanian eruption    • young surface Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP