metamorphic texture

metamorphic texture
Техника: метаморфическая структура

Универсальный англо-русский словарь. . 2011.

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Смотреть что такое "metamorphic texture" в других словарях:

  • Metamorphic rock — Metamorphic redirects here. For other uses, see Metamorphic (disambiguation). Quartzite, a form of metamorphic rock, from the Museum of Geology at University of Tartu collection. Metamorphic rock is the transformation of an existing rock type,… …   Wikipedia

  • Metamorphic facies — Eclogite Blueschist Greenschist Prehnite Pumpellyite …   Wikipedia

  • metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …   Universalium

  • Phenocryst — A phenocryst is a relatively large and usually conspicuous crystal distinctly larger than the grains of the rock groundmass of a porphyritic igneous rock. Phenocrysts often have euhedral forms either due to early growth within a magma or by post… …   Wikipedia

  • Cataclastic — rocks contain angular fragments formed by cataclasis. Cataclasis is a deformation of the rock caused by fracture and rotation of aggregates or mineral grains. The term cataclastic refers to the structure produced in a rock by the actions of… …   Wikipedia

  • Jerrygibbsite — General Category Silicate minerals (Nesosilicates) Chemical formula (Mn,Zn)9(SiO4)4(OH)2 Crystal symmetry Orthorhombic mm2 or 2/m 2/m 2/m …   Wikipedia

  • Komatiite — Komatiites are ultramafic mantle derived volcanic rocks. They have low SiO2, low K2O, low Al2O3, and high to extremely high MgO. They were named for their type locality along the Komati River in South Africa. True komatiites are very rare and… …   Wikipedia

  • Rock microstructure — includes the texture of a rock and the small scale rock structures. The words texture and microstructure are interchangeable, with the latter preferred in modern geological literature. However, texture is still acceptable because it is a useful… …   Wikipedia

  • igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary …   Universalium

  • 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


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