volcanic sand


volcanic sand
вулканический песок

English-Russian dictionary of geology. 2011.

Смотреть что такое "volcanic sand" в других словарях:

  • volcanic sand — volcanic mud or volcanic sand noun Volcanic ash that has been deposited under water and sorted and stratified • • • Main Entry: ↑volcano …   Useful english dictionary

  • Sand — For other uses, see Sand (disambiguation). Close up of sand from the Gobi Desert, Mongolia, showing a surface area of 1 square centimetres …   Wikipedia

  • volcanic mud — noun : mud that is formed by the mixture with water of volcanic ash or of other fragmental products of volcanic explosions and that is often initially hot and may flow much like a lava stream * * * volcanic mud or volcanic sand noun Volcanic ash… …   Useful english dictionary

  • volcanic — adjective 1 connected with or caused by a volcano: black volcanic sand 2 happening or reacting suddenly and violently: a man of volcanic passions …   Longman dictionary of contemporary English

  • volcanic — vol|can|ic [vɔlˈkænık US va:l ] adj relating to or caused by a volcano ▪ black volcanic sand …   Dictionary of contemporary English

  • Volcanic ash — consists of small tephra, which are bits of pulverized rock and glass created by volcanic eruptions,United States Geological Survey. [http://volcanoes.usgs.gov/Hazards/What/Tephra/tephra.html Tephra: Volcanic Rock and Glass Fragments.] Retrieved… …   Wikipedia

  • Sand — /sand/; Fr. /sahonnd/, n. George /jawrj/; Fr. /zhawrddzh/ (Lucile Aurore Dupin Dudevant), 1804 76, French novelist. * * * I Mineral, rock, or soil particles that are 0. 0008–0.08 in. (0.02–2 mm) in diameter. Most rock forming minerals are found… …   Universalium

  • 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

  • Volcanic arc — Mariana Islands, an oceanic island arc A volcanic arc is a chain of volcanoes positioned in an arc shape as seen from above. Offshore volcanoes form islands, resulting in a volcanic island arc. Generally they result from the subduction of an… …   Wikipedia

  • Volcanic cone — Puʻu ʻŌʻō, a cinder and spatter cone on Kīlauea, Hawaiʻi Volcanic cones are among the simplest volcanic formations. They are built by ejecta from a volcanic vent, piling up around the vent in the shape of a cone with a central crater. Volc …   Wikipedia

  • Volcanic glass — A sand grain of volcanic glass under the petrographic microscope. Its amorphous nature makes it go extinct in cross polarized light (bottom frame). Scale box in millimeters. Volcanic glass is the amorphous (uncrystallized) product of rapidly… …   Wikipedia


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