Geology & Earth Surface 1-23
23 entries in the Geology & Earth Surface compendium.
PedosphereThe outermost soil layer of Earth's crust.PeninsulaLandform mostly surrounded by water, connected to mainland on one side.PermafrostFrozen ground that stores carbon and threatens infrastructure when thawed.PetrologyBranch of geology studying rocks and their formation.Plate tectonicsScientific theory of Earth's moving lithospheric plates.PlateauHigh, flat landform raised sharply above surrounding terrain.PlainFlat expanse of land covering over one-third of Earth's land area.PolderLow-lying land enclosed by dikes, reclaimed from water.PrairieTemperate grassland ecosystem shaped by fire, grazing, and deep-rooted grasses.Rock (geology)Naturally occurring solid aggregate of minerals or mineraloid matter.SandstoneClastic sedimentary rock composed mainly of sand-sized silicate grains.SchistMedium-grained metamorphic rock with pronounced schistosity.SedimentLoose particles transported and deposited by natural processes.Sedimentary basinRegion-scale crustal depressions that accumulate thick sedimentary sequences.Sedimentary rockSedimentary rocks record Earth's history and provide vital resources.SeismologyScientific study of earthquakes and elastic wave propagation.SlateFine-grained metamorphic rock with slaty cleavage, used for roofing and writing.SoilSoil is a complex ecosystem supporting life and regulating Earth's cycles.Soil fertilitySoil fertility is the capacity to support plant growth and yield.Soil formationPedogenesis is the process of soil genesis regulated by place, environment, and history.Soil scienceStudy of soil as a natural resource and its management.SteppeGrassland ecoregion with semi-arid climate and extreme temperatures.StraitNarrow channel connecting two seas, vital for navigation and trade.
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