- phreatic explosion
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фреатический взрыв
English-Russian dictionary of geology. 2011.
phreatic explosion
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Phreatic — The term phreatic is used in Earth sciences to refer to matters relating to ground water below the static water table (the word originates from the Greek phrear , phreat meaning well or spring ). The term phreatic surface is where the hydrostatic … Wikipedia
phreatic — /free at ik/, adj. Geol. 1. noting or pertaining to ground water. 2. noting or pertaining to explosive volcanic activity involving steam derived from ground water: a phreatic explosion. [1890 95; < Gk phreat (s. of phréar) artificial well + IC] * … Universalium
Phreatic eruption — A Phreatic eruption, also called an ultravulcanian eruption, occurs when rising magma makes contact with ground or surface water. The extreme temperature of the magma (anywhere from 600 °C to 1,170 °C (1110–2140 °F)) causes near instantaneous… … Wikipedia
phreatic eruption — ALASKA VOLCANO OBSERVATORY GLOSSARY An explosive volcanic eruption caused when water and heated volcanic rocks interact to produce a violent expulsion of steam and pulverized rocks. Magma is not involved. GLOSSARY OF VOLCANIC TERMS A steam… … Glossary of volcanic terms
phreatic — adjective Etymology: Greek phreat , phrear well; akin to Armenian ałbiwr spring, Old High German brunno more at burn Date: circa 1890 1. of, relating to, or being groundwater 2. of, relating to, or being an explosion caused by steam derived from… … New Collegiate Dictionary
phreatic — adj. Geol. 1 (of water) situated underground in the zone of saturation; ground water. 2 (of a volcanic eruption or explosion) caused by the heating and expansion of underground water. Etymology: Gk phrear phreatos well … Useful english dictionary
Mono–Inyo Craters — Coordinates: 37°53′N 119°0′W / 37.883°N 119°W / 37.883; 119 … Wikipedia
Mayon Volcano — as viewed from Ligñon Hill in Legazpi City, Albay in December 2006 Elevation … Wikipedia
Malinao Volcano — Buhi or Takit Volcano Mount Malinao with Tiwi Geothermal Field in the foreground Elevation … Wikipedia
Craters of the Moon National Monument and Preserve — For other uses, see Craters of the Moon (disambiguation). Craters of the Moon National Monument and Preserve IUCN Category III (Natural Monument) … Wikipedia
Soufrière Hills — Not to be confused with Soufrière (volcano) or La Grande Soufrière. Soufrière Hills The volcano erupting … Wikipedia
