water abrasion

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• Abrasion (geology) — Abrasion is mechanical scraping of a rock surface by friction between rocks and moving particles during their transport in wind, glacier, waves, gravity or running water, after friction, the moving particles dislodge loose and weak debris from… …   Wikipedia

• abrasion — [ə brā′zhən] n. [LL abrasio < L abradere, ABRADE] 1. a scraping or rubbing off, as of skin 2. a wearing away by rubbing or scraping, as of rock by wind, water, etc. 3. an abraded spot or area …   English World dictionary

• Water turbine — A water turbine is a rotary engine that takes energy from moving water.Water turbines were developed in the nineteenth century and were widely used for industrial power prior to electrical grids. Now they are mostly used for electric power… …   Wikipedia

• abrasion platform — noun A sloping or nearly flat bedrock surface extending out from the foot of a marine cliff under shallow water of a breaker (wave) zone …   Wiktionary

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• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… …   Encyclopedia of Judaism

• glacial landform — ▪ geology Introduction  any product of flowing ice and meltwater. Such landforms are being produced today in glaciated areas, such as Greenland, Antarctica, and many of the world s higher mountain ranges. In addition, large expansions of present… …   Universalium

• Glacier — This article is about the geological formation. For other uses, see Glacier (disambiguation). The Baltoro Glacier in the Karakoram, Kashmir, Northern Pakistan. At 62 kilometres (39 mi) in length, it is one of the longest alpine glaciers on… …   Wikipedia

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