streambed material

streambed material
речной материал

English-Russian mining dictionary. .

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  • river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

  • Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

  • 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

  • hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …   Universalium

  • valley — valleylike, adj. /val ee/, n., pl. valleys. 1. an elongated depression between uplands, hills, or mountains, esp. one following the course of a stream. 2. an extensive, more or less flat, and relatively low region drained by a great river system …   Universalium

  • Acid mine drainage — Yellow boy in a stream receiving acid drainage from surface coal mining. Acid mine drainage (AMD), or acid rock drainage (ARD), refers to the outflow of acidic water from (usually abandoned) metal mines or coal mines. However, other areas where… …   Wikipedia

  • Lotic ecosystems — are the ecosystems of rivers, streams and springs. Included in these environments are the biotic interactions (amongst plants, animals and micro organisms) together with the abiotic interactions (physical and chemical). [Angelier (2003)] Lotic… …   Wikipedia

  • Construction of the Trans-Alaska Pipeline System — The construction of the Trans Alaska Pipeline System was a massive undertaking involving tens of thousands of people often in extreme temperatures and conditions. Specialized construction techniques were pioneered to build the pipeline, most of… …   Wikipedia

  • canals and inland waterways — ▪ waterway Introduction       natural or artificial waterways used for navigation, crop irrigation, water supply, or drainage.       Despite modern technological advances in air and ground transportation, inland waterways continue to fill a vital …   Universalium

  • Phoxinus saylori — Conservation status Endangered (ESA) Scientific classification Kingdom …   Wikipedia

  • mattress — noun Etymology: Middle English materas, from Anglo French, from Medieval Latin materacium, from Arabic maṭraḥ place where something is thrown Date: 14th century 1. a. a fabric case filled with resilient material (as cotton, hair, feathers, foam… …   New Collegiate Dictionary


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