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rock weathering

См. также в других словарях:

  • Weathering — This article is about weathering of rocks and minerals. For weathering of polymers, see Polymer degradation and Weather testing of polymers. Weathering is the breaking down of rocks, soils and minerals as well as artificial materials through… …   Wikipedia

  • Rock Structure Rating — (RSR) is a quantitative method for describing quality of a rock mass and then appropriate ground support. [cite book last = Bieniawski first = Z. T. authorlink = Z. T. Bieniawski title = Engineering Rock Mass Classifications publisher = Wiley… …   Wikipedia

  • Weathering — Weath er*ing, n. (Geol.) The action of the elements on a rock in altering its color, texture, or composition, or in rounding off its edges. [1913 Webster] …   The Collaborative International Dictionary of English

  • weathering — [weth′əriŋ] n. 1. Archit. a slope built to shed water 2. Geol. the destructive physical and chemical effects of the forces of weather on rock surfaces, as in forming soil or sand …   English World dictionary

  • weathering — /wedh euhr ing/, n. 1. Archit. wash (def. 48). 2. material used as a weather strip. 3. Geol. the various mechanical and chemical processes that cause exposed rock to decompose. [1655 65; WEATHER + ING1] * * * Physical disintegration and chemical… …   Universalium

  • Rock cycle — rocks do not remain in equilibrium and are forced to change as they encounter new environments. The rock cycle is an illustration that explains how the 3 rock types are related to each other and how processes change from one type to another over… …   Wikipedia

  • Rock shelter — A rock shelter is a shallow cave like opening at the base of a bluff or cliff. Another term is rockhouse.Rock shelters form because a rock stratum such as sandstone that is resistant to erosion and weathering has formed a cliff or bluff, but a… …   Wikipedia

  • weathering —   breakdown of rock in situ by physical and chemical processes due to the presence of water, plants and animals. Rates vary according to additional controls of temperature, rock type and time. (see physical weathering and chemical weathering) …   Geography glossary

  • rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …   Universalium

  • Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… …   Universalium

  • Rock formation — This is a List of rock formations, meaning isolated, scenic, or spectacular surface rock outcrops. These are usually the result of weathering and erosion sculpting the existing rock. Rock formation in general refers to specific sedimentary strata …   Wikipedia

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