- porous cinders
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пористые лапилли
English-Russian dictionary of geology. 2011.
porous cinders
Смотреть что такое "porous cinders" в других словарях:
environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations … Universalium
volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… … Universalium
calcareous tufa — Tufa Tu fa, [It. fufo soft, sandy stone, L. tofus, tophus. Cf. {Tofus}, {Toph}, and {Tophin}.] (Min.) (a) A soft or porous stone formed by depositions from water, usually calcareous; called also {calcareous tufa}. (b) A friable volcanic rock or… … The Collaborative International Dictionary of English
Tufa — Tu fa, [It. fufo soft, sandy stone, L. tofus, tophus. Cf. {Tofus}, {Toph}, and {Tophin}.] (Min.) (a) A soft or porous stone formed by depositions from water, usually calcareous; called also {calcareous tufa}. (b) A friable volcanic rock or… … The Collaborative International Dictionary of English
Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur … Wikipedia
Convergent boundary — In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of lithosphere move toward one another and collide. As … Wikipedia
Shenandoah Valley Railroad (N&W) — Shenandoah Valley Railroad was a line completed on June 19, 1882 extending up the Shenandoah Valley from Hagerstown, Maryland USA through the West Virginia panhandle into Virginia to reach Roanoke, Virginia and a connection with the Norfolk and… … Wikipedia
List of pottery terms — Historically the production of pottery has been a characteristic of human activity in most areas of the world. Over time, each culture has established terms which define tools, ingredients and production techniques. Terms currently in use may be… … Wikipedia
brick and tile — ▪ building material Introduction structural clay products, manufactured as standard units, used in building construction. The brick, first produced in a sun dried form at least 6,000 years ago and the forerunner of a wide range of… … Universalium
pyroclastic flow — ▪ volcanism in a volcanic eruption, a fluidized mixture of hot rock fragments, hot gases, and entrapped air that moves at high speed in thick, gray to black, turbulent clouds that hug the ground. The temperature of the volcanic gases can… … Universalium
pumice — Volcanic cinders ground to particles of varying sizes; used in dentistry for polishing restorations or teeth; an abrasive. [L. pumex (pumic ), a p. stone] * * * pum·ice pəm əs n a volcanic glass full of cavities and very light in weight used esp … Medical dictionary
