For Bedrock we have terms and definitions in 12 topics. The topics are Construction, Earthquake, Energy, Environmental Health, Geography, Geologic, Nature, Physical Geography, Sanitation, Science, Speleological and Water Science.

A subsurface layer of earth that is suitable to support a structure.
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Relatively hard, solid rock that commonly underlies softer rock, sediment, or soil; a subset of the basement.
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The firm base rock to which is anchored the geological structure of interest to petroleum geologists.
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The solid rock underneath surface soils.
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The solid rock that underlies all soil or other loose material; the rock material that breaks down to eventually form soil.
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The solid rock that lies beneath soil and other loose surface materials.
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Rock substrate that underlies all soil, sand, clay, gravel, and glacial material on the earth's surface.
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Rock at or near (beneath soil and regolith) the Earth's surface that is solid and relatively unweathered.
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The solid rock encountered below the mantle of loose rock and more or less unconsolidated material which occurs on the surface of the lithosphere. In many places, bedrock appears at the surface.
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Layer of earth below topsoil and subsoil, usually solid rock
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(1) In a cave, a portion of the native rock strata that has not undergone collapse. The walls and roof of caves are often in bedrock. (2) In karst, the rock that underlies the limestone strata.
Karst - Miscellaneous features of.
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The solid rock beneath the soil and superficial rock. A general term for solid rock that lies beneath soil, loose sediments, or other unconsolidated material.
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