English-Russian dictionary of geology. 2011.

Смотреть что такое "andesite-basalt" в других словарях:

  • basalt — [bə sôlt′; bā′sôlt΄, bas′ ôlt΄] n. [earlier basaltes < L, a dark Ethiopian marble: term used by PLINY for basanites < Gr basanitēs, species of slate used to test gold < basanos, touchstone, test (ult. < Egypt bḫnw) + itēs, ITE1] 1. a… …   English World dictionary

  • Basalt — For the World War II raid, see Operation Basalt. For the cities, see Basalt, Colorado and Basalt, Idaho. Basalt Igneous Rock Composition …   Wikipedia

  • Andesite — For the extinct cephalopod genus, see Andesites. Andesite (pronEng|ˈændəsaɪt) is an igneous, volcanic rock, of intermediate composition, with aphanitic to porphyritic texture. The mineral assemblage is typically dominated by plagioclase plus… …   Wikipedia

  • andesite — GLOSSARY OF VOLCANIC TERMS A grey to grey green colored volcanic rock containing 53% to 63% silica (compositionally between basalt and dacite). Minerals commonly found in andesite include intermediate composition plagioclase and hornblende. USGS… …   Glossary of volcanic terms

  • Andesite line — The andesite line is the most significant regional geologic distinction in the Pacific Ocean basin. It separates the mafic basaltic volcanic rocks of the Central Pacific Basin from the partially submerged continental areas of more felsic… …   Wikipedia

  • andesite — andesitic /an deuh zit ik/, adj. /an deuh zuyt /, n. a dark colored volcanic rock composed essentially of plagioclase feldspar and one or more mafic minerals, as hornblende or biotite. [1840 50; named after ANDES; see ITE1] * * * Any member of a… …   Universalium

  • Picrite basalt — or oceanite from the Piton de la Fournaise Picrite basalt, picrobasalt or oceanite[citation needed] is a variety of high magnesium olivine basalt that is very rich in the miner …   Wikipedia

  • Flood basalt — A flood basalt or trap basalt is the result of a giant volcanic eruption or series of eruptions that coats large stretches of land or the ocean floor with basalt lava. Flood basalts have occurred on continental scales (large igneous provinces) in …   Wikipedia

  • Ocean island basalt — Piton de la Fournaise erupting OIB in 2004 Ocean island basalts or OIBs are basaltic rocks found on many volcanic islands away from tectonic plate boundaries typically associated with hot spots. Islands hosting ocean island basalts lie always… …   Wikipedia

  • Geology of Tasmania — Tasmania has a varied geological history, with the world s biggest exposure of diabase, or dolerite. Rocks from the Neoproterozoic, Paleozoic and Mesozoic time periods appear. It is one of the few southern hemisphere areas glaciated during the… …   Wikipedia

  • Igneous rock — Geologic provinces of the world (USGS)   Shield …   Wikipedia


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