weathering of rocks

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

• 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

• weathering — noun Mechanical or chemical breaking down of rocks in situ by weather or other causes …   Wiktionary

• weathering —    All physical disintegration, chemical decomposition, and biologically induced changes in rocks or other deposits at or near the earth s surface by atmospheric or biologic agents or circulating surface waters with essentially no transport of… …   Glossary of landform and geologic terms

• Case hardening of rocks — Case hardening is a weathering phenomenon of rock surface induratoin. It is observed commonly in: felsic alkaline rocks, such as nepheline syenite, phonolite and trachyte; pyroclastic rocks, as pyroclastic flow deposit, fine air fall deposits and …   Wikipedia

• Frost weathering — A rock in Abisko fractured (along existing joints) possibly by mechanical frost weathering or thermal stress Frost weathering is a collective name for several mechanical weathering processes induced by stresses created by the freezing of water… …   Wikipedia

• Mushroom rocks — in Egypt Mushroom rocks in Timna Park, Neg …   Wikipedia

• Differential weathering — is the difference in degree of discoloration, disintegration, etc., of rocks of different kinds exposed to the same environment. Quartz deposits in basaltic flows will weather slower than the surrounding rock, while being exposed to the same… …   Wikipedia

• Spheroidal weathering — is a type of chemical weathering that creates rounded boulders and helps to create domed monoliths. This should not be confused with stream abrasion, a physical process which also creates rounded rocks on a much smaller scale. A good example of… …   Wikipedia

• Stolen and missing moon rocks — Of the 270 Apollo 11 Moon Rocks and Apollo 17 Goodwill Moon Rocks that were given to the nations of the world by the Nixon Administration approximately 180 are currently unaccounted for. Many of the moon rocks that are accounted for have been… …   Wikipedia

• City of Rocks National Reserve — There is also City of Rocks State Park in New Mexico. City of Rocks National Reserve IUCN Category V (Protected Landscape/Seascape) …   Wikipedia