poorly-sorted sand grains

poorly-sorted sand grains
плохо отсортированные песчаные зерна

Англо-русский словарь нефтегазовой промышленности. 2011.

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  • sand dune — Hill, mound, or ridge of windblown sand or other loose material such as clay particles. Dunes are commonly associated with desert regions and seacoasts, and there are large areas of dunes in nonglacial parts of Antarctica. * * * Introduction  any …   Universalium

  • плохо отсортированные песчаные зерна — — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность EN poorly sorted sand grains …   Справочник технического переводчика

  • 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

  • Sedimentary rock — Middle Triassic marginal marine sequence of siltstones (below) and limestones (above), Virgin Formation, southwestern Utah, USA Sedimentary rock are types of rock that are formed by the deposition of material at the Earth s surface and within… …   Wikipedia

  • Greywacke — (German grauwacke , signifying a grey, earthy rock) is a variety of sandstone generally characterized by its hardness, dark color, and poorly sorted, angular grains of quartz, feldspar, and small rock fragments set in a compact, clay fine matrix …   Wikipedia

  • Glossary of geology terms — Here is a glossary of Geological terms.A*Abyssal plain Flat or very gently sloping areas of the deep ocean basin floor. *Absolute dating the process of determining a specific date (in years or some other unit of time) for an archaeological,… …   Wikipedia

  • 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

  • Cross-bedding — Crossbedding of sandstone near Mt. Carmel road, Zion Canyon, indicating wind action and sand dune formation prior to formation of rock (NPS photo by George A. Grant, 1929) …   Wikipedia

  • wacke — /wak euh/, n. a poorly sorted sandstone containing fragments of rock and minerals in a clayey matrix. Cf. graywacke. [1795 1805; < G: a kind of stone] * * * ▪ sandstone also called  dirty sandstone        sedimentary rock composed of sand sized… …   Universalium

  • Clastic rock — A thin section of a clast (sand grain), derived from a basalt score. Vesicles (air bubbles) can be seen throughout the clast. Plane light above, cross polarized light below. Scale box is 0.25 mm Clastic rocks are composed of fragments, or clasts …   Wikipedia

  • Conglomerate (geology) — For a kind of corporation, see Conglomerate (company). Conglomerate Sedimentary Rock Boulder of conglomerate with cobble sized clasts. Rock hammer for scale …   Wikipedia


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