Geology and Oceanography
- Aa, Type Of Lava
- Abyssal Plain
- Altitude
- Anthropocene
- Anticline
- Aphotic Zone
- Aquifer
- Archean Eon
- Artesian Well
- Asthenosphere
- Astrobleme
- Atoll
- Avalanche
- Backshore
- Badlands
- Bar
- Basalt
- Base Line
- Batholith
- Bayou
- Beach
- Bentonite
- Berm
- Bight
- Bog
- Bore
- Boulder Clay
- Boulder, In Geology
- Breaker
- Breakwater
- Breccia
- Brownstone
- Butte, In Geology
- Calcareous Rock
- Caldera
- Cambrian Period
- Carboniferous Period
- Catastrophism
- Catchment Area
- Cave
- Cenozoic Era
- Census Of Marine Life
- Chalk
- Challenger Expedition
- Chert
- China Clay
- Clay
- Clay Pan
- Coast
- Coast Protection
- Concretion
- Conglomerate, In Geology
- Continent
- Continental Drift
- Continental Shelf
- Coral Reefs
- Coutchiching
- Crater
- Craton
- Cretaceous Period
- Crevasse
- Cuesta
- Deep Sea Drilling Project
- Deep-Sea Exploration
- Delta
- Desert
- Devonian Period
- Diabase
- Diatomaceous Earth
- Drainage Basin
- Drift
- Dripstone
- Drumlin
- Dune
- Earth, In Geology And Astronomy
- Earthflow
- Earthquake
- Echo Sounder
- Elevation
- Eocene Epoch
- Epoch
- Erosion
- Escarpment
- Esker
- Estuary
- Euphotic Zone
- Fall Line
- Fault
- Fetch
- Fiord
- Fire Clay
- Fjord
- Flagstone
- Flint Clay
- Flint, Mineral
- Flood, In Hydrology
- Floodplain
- Fold
- Ford
- Foreshore
- Fuller's Earth
- Gabbro
- Geochemistry
- Geode
- Geodesy
- Geologic Dating
- Geologic Timescale
- Geologic Timescale (Table)
- Geology
- Geomorphology
- Geophysical Year, International
- Geophysics
- Geyser
- Glacial Periods
- Glacier
- Gneiss
- Gondwanaland
- Granite
- Gravel
- Groin
- Groundmass
- Gyre
- Hardpan
- Hogback
- Holocene Epoch
- Hot Spring
- Hydrothermal Vent
- Ice Age
- Iceberg
- Igneous Rock
- Integrated Ocean Drilling Program
- International Geophysical Year
- Island
- Isopleth
- Isostasy
- Isthmus
- Jetty
- Joint, In Geology
- Jurassic Period
- Kame
- Kaolin
- Keewatin
- Kettle
- Kimberlite
- Lake, Body Of Water
- Landslide
- Laurasia
- Lava
- Lithosphere
- Littoral Zone
- Magma
- Magnetic Pole
- Mantle
- Marble
- Mercalli Scale
- Mesa, In Geology
- Mesozoic Era
- Metamorphic Rocks
- Metamorphism
- Mid-Ocean Ridge
- Miocene Epoch
- Mississippian Period
- Moho
- Mohole, Project
- Moraine
- Moulin
- Mountain
- Mudflow
- New Red Sandstone
- Nodule
- Ocean
- Ocean Drilling Program
- Oceanography
- Old Red Sandstone
- Oligocene Epoch
- Ordovician Period
- Pahoehoe
- Paleocene Epoch
- Paleomagnetism
- Paleontology
- Paleozoic Era
- Pangaea
- Pass
- Pegmatite
- Pelagic Zone
- Pennsylvanian Period
- Period, In Geologic Time
- Permafrost
- Permian Period
- Petrifaction
- Petrology
- Piedmont, Physiographic Region
- Plain
- Plate Tectonics
- Plateau
- Pleistocene Epoch
- Pliocene Epoch
- Pole, Magnetic
- Porphyry, Igneous Rock
- Pothole
- Precambrian
- Proterozoic Eon
- Pumice
- Pyroclastic Flow
- Quartzite
- Quaternary Period
- Range
- Reef
- Rhyolite
- Richter Scale
- Rift Valley
- River
- Rock
- Salinity Of Ocean Water
- Sand
- Sandstone
- Scarp
- Schist
- Scoria
- Sea
- Sea Level
- Seafloor Spreading
- Seawall
- Sediment
- Sedimentary Rock
- Seiche
- Seismic Sea Wave
- Seismology
- Septarium
- Shale
- Shield, In Geology
- Shore
- Sial
- Silt
- Silurian Period
- Slate
- Slushball Earth
- Snow Line
- Snowball Earth
- Soapstone
- Speleology
- Spring, In Geology
- Stalactite And Stalagmite
- Stalagmite
- Steatite
- Stratification
- Stratigraphy
- Stream
- Stromatolite
- Subduction Zone
- Subsidence
- Surf
- Swell
- Syenite
- Talus
- Tertiary Period
- Thermohaline Circulation
- Tidal Wave
- Tide
- Till
- Traprock
- Trench
- Triassic Period
- Tsunami
- Turbidity Current
- Uniformitarianism
- Varve
- Volcano
- Water Table
- Waterfall
- Watershed
- Waterway
- Wave, In The Earth Sciences
- Weathering
- Whirlpool
- Woods Hole Oceanographic Institution
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