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bedrock

  (bĕd'rŏk') pronunciation
n.
  1. The solid rock that underlies loose material, such as soil, sand, clay, or gravel.
    1. The very basis; the foundation: Ownership of land is the bedrock of democracy.
    2. The lowest point: personal finances that were at bedrock.

 
 

The unweathered rock which underlies the soil and regolith or which may be exposed at the land surface.

 
Architecture: bedrock

The hard, solid rock at the earth’s surface or underlying surface soil; can be utilized as a firm foundation for a building.


 

[Ge]

Undisturbed natural substrate below any archaeological deposits, accumulative overburden such as alluvium or colluvium, or established soil profile. The bedrock is not necessarily solid rock: gravels, sands, glacial tills, and many other kinds of relatively soft materials are, in archaeological terms, bedrock.

 
Wikipedia: bedrock

Bedrock is the native consolidated rock underlying the Earth's surface. Above the bedrock is usually an area of broken and weathered unconsolidated rock in the basal subsoil. The term implies that the rock lies in beds, or strata. Under any given location on the surface of the planet, rock will be found.

The term bedrock may be somewhat misleading, since in many locations, the bedrock may change over a short distance, or the technical bedrock may be a thin stratum overlying quite different rock.

A geologic map of an area will usually show bands of differing rock type exposure, i.e., rock that would be exposed at the surface if all soil were removed. The different rock strata or layers that are indicated may be a result of either nonparallel (sloping) surface erosion at the edges of flat strata or normal surface erosion of tilted strata that has removed the upper portions of higher layers.

See also


 
Translations: Translations for: Bedrock

Dansk (Danish)
n. - grundfjeld

Nederlands (Dutch)
basis, laagste punt, vast gesteente, betrouwbaar, vertrouwd

Français (French)
n. - base, (Géol) soubassement, (fig) base

Deutsch (German)
n. - Basis, Fundament, Felssohle

Ελληνική (Greek)
n. - βραχώδες υπόστρωμα, (μτφ.) γερό θεμέλιο, βασικές αρχές

Italiano (Italian)
rocca, fondamento, base rocciosa

Português (Portuguese)
n. - leito (m) de rocha firme (Min.), alicerce (m)

Русский (Russian)
коренная порода, почва залежи, твердый фундамент

Español (Spanish)
n. - roca de fondo, roca firme, base, fondo de la cuestión

Svenska (Swedish)
n. - berggrund, hörnsten, grundval

中文(简体) (Chinese (Simplified))
岩床, 基础, 根底

中文(繁體) (Chinese (Traditional))
n. - 岩床, 基礎, 根底

한국어 (Korean)
n. - 기반암, 최하점, 기초

日本語 (Japanese)
n. - 基盤, 床岩, 根底

العربيه (Arabic)
‏(الاسم) صخر, أساس, متين, طبقه صخريه‏

עברית (Hebrew)
n. - ‮סלע-אדמה, יסוד‬


 
 

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Copyrights:

Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.  Read more
Geography Dictionary. A Dictionary of Geography. Copyright © Susan Mayhew 1992, 1997, 2004. All rights reserved.  Read more
Architecture. McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
Archaeology Dictionary. The Concise Oxford Dictionary of Archaeology. Copyright © 2002, 2003 by Oxford University Press. All rights reserved.  Read more
Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Bedrock" Read more
Translations. Copyright © 2007, WizCom Technologies Ltd. All rights reserved.  Read more

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