Geology and Landforms


 * A-horizon
 * abyssal plain
 * abyssal zone
 * agglomerate
 * aggregate
 * alloy
 * alluvial fan
 * alluvium
 * alpine glacier
 * amalgam
 * anthracite
 * anticline
 * aquifer
 * arroyo
 * artesian well
 * ash
 * asthenosphere
 * astrogeology
 * Atlantic Ridge
 * atoll
 * axial plane
 * B-horizon
 * badland
 * bajada
 * barrier beach
 * batholith
 * bathyal zone
 * beach
 * bed
 * bed load
 * bedding
 * bedding plane
 * bedrock
 * berm
 * bitumen
 * bituminous coal
 * bole
 * bolson
 * boulder
 * breccia
 * Bryozoa
 * butte
 * caldera
 * calf
 * caliche
 * cannel coat
 * carbon 14
 * cast
 * catchment basin
 * cave
 * cavern
 * chatter mark
 * cinder
 * cinder cone
 * cirque
 * clastic
 * clay
 * clod
 * coal
 * composite
 * composite volcano
 * conchoidae fracture
 * cone
 * conglomerate
 * continent
 * continental drift
 * continental glacier
 * continental shelf
 * continental slope
 * coral reef
 * core
 * crag
 * crater
 * craton
 * creep
 * crevase
 * crumlin
 * crust
 * crystal
 * culm
 * deflation
 * delta
 * deposit
 * detritus
 * diamond
 * dike
 * dip
 * dissected mountains
 * divide
 * dome
 * dome volcano
 * drainage basin
 * drumlin
 * dune
 * earth
 * eluvium
 * eon
 * epoch
 * era
 * erratic
 * esker
 * eugeosycline
 * eustatic change
 * evaporite
 * extrusive rock
 * facies
 * facies fossil
 * fault
 * firn
 * flint
 * floodplain
 * fluvial
 * fold
 * fold mountains
 * footwall
 * fossil
 * fossil fuel
 * freestone
 * frost action
 * gemstone
 * geocentric
 * geochronology
 * geode
 * geodesy
 * geomorphology
 * geosyncline
 * geyser
 * glacier
 * Gondwanaland
 * granite
 * gravel
 * ground moraine
 * groundwater
 * guyot
 * hadal zone
 * hanging wall
 * hard pan
 * horn
 * humus
 * hydrocarbon
 * hydrosphere
 * ice pack
 * ice sheet
 * iceberg
 * icecap
 * igneous rock
 * index fossil
 * inner core
 * inorganic material
 * inselberg
 * intrusive rock
 * island-arc deeps
 * joint
 * kame
 * karst topography
 * Kerguelen-Gaussberg Ridge
 * kettle
 * kettle lake
 * koppies
 * laccolith
 * lava
 * lignite
 * limestone
 * lithosphere
 * load
 * loam
 * lodestone
 * lopolith
 * macle
 * mafic magma
 * magma
 * magnetic reversal
 * magnetostratigraphy
 * mantle
 * mantle rock
 * marl
 * massif
 * meltwater
 * mesa metal
 * metamorphic rock
 * meteorite
 * mid-ocean ridge
 * mineral
 * miogeosyncline
 * Mohorovicic discontinuity (Moho)
 * monadnock
 * monolith
 * monument
 * moraine
 * mountain
 * mountain core
 * mlange
 * native metal
 * natural gas
 * noble mineral
 * nodule
 * nonclastic rock
 * nonfoliated rock
 * oolite
 * organic material
 * orogeny
 * outcropping
 * outer core
 * outwash
 * pacer
 * paleogeography
 * paleomagnetism
 * Pangaea
 * Panthalassa
 * peat
 * pebble
 * peneplain
 * permafrost
 * petroleum
 * piedmont
 * piedmont glacier
 * pingo
 * plain plate
 * plate
 * plate tectonics
 * plateau
 * playa
 * playa lake
 * pleutonic rock
 * pluton
 * porphyry
 * precious metal
 * precious stone
 * precipitate
 * pudding stone
 * quartz
 * range
 * reef
 * regolith
 * residual
 * rhyolite
 * rift valley
 * rill
 * rimrock
 * rock rubble
 * salt dome
 * sand
 * sandstone
 * schist
 * scoria
 * scree
 * seafloor spreading
 * seamount
 * sediment
 * sedimentary rock
 * seismic prospecting
 * seismograph
 * seismology
 * semiprecious stone
 * shale
 * sheet wash
 * shield
 * shield volcano
 * shingle
 * sial layer
 * sialic magma
 * silica
 * silicon dioxide
 * sill
 * silt
 * sima layer
 * sinkhole
 * slag
 * sloess
 * sludge
 * slurry
 * soil
 * soil horizon
 * spatter cone
 * stalactite
 * stalagmite
 * stone
 * stratification
 * stratified rock
 * strato-volcano
 * stratum
 * subduction
 * subduction zone
 * syncline
 * talus
 * tarminal moraine
 * tarn
 * tarpit
 * terrace
 * thermal plume
 * till
 * topsoil
 * tor
 * trace fossil
 * transported soil
 * trench
 * tufa
 * tundra
 * underground rock
 * valley glacier
 * vent
 * vesicle
 * volcanic rock
 * volcano