- petrographic constituent
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петрографическая составляющая
Англо-русский словарь терминов металлургии и сварки. 2011.
petrographic constituent
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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
geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… … Universalium
coal utilization — Introduction combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… … Universalium
Amphibole — (pronounced amfi bowl) defines an important group of generally dark colored rock forming inosilicate minerals, composed of double chain SiO4 tetrahedra, linked at the vertices and generally containing ions of iron and/or magnesium in their… … 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
Oil shale geology — Main article: Oil shale Outcrop of Ordovician kukersite oil shale, northern Estonia. Oil shale geology is a branch of geologic sciences which studies the formation and composition of … Wikipedia
Calcite — A one inch Calcite Rhomb that shows the Double image refraction property. General Category Carbonate mineral … Wikipedia
Mylonite — An amphibolitic mylonite showing a number of (rotated) porphyroclasts: a clear red garnet left in the picture while smaller white feldspar porphyroclasts can be found all over. Location: the tectonic contact between th … Wikipedia
Micrite — is a limestone constituent formed of calcareous particles ranging in diameter up to 4 μm formed by the recrystallization of lime mud.[1][2] The term was coined in 1959 by Robert Folk for his carbonate rock classification system.[2] Micrite is… … Wikipedia
Falaises fossiles — Terrasse marine Une plate forme ou un platier rocheux fossile est nommé terrasse marine. Sommaire 1 Morpho genèse côtière Quaternaire 2 Morphologies 3 Utilisation 4 Mod … Wikipédia en Français
Terrasse marine — Une plate forme ou un platier rocheux fossile est nommé terrasse marine. Sommaire 1 Morpho genèse côtière Quaternaire 2 Morphologies 3 Utilisation 4 Mode d emploi … Wikipédia en Français
