- petrographic compositions
- петрографические показатели
English-Russian mining dictionary. 2015.
petrographic compositions
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Dispersion staining — Contents 1 Dispersion Staining 1.1 Becke Line Dispersion Staining 1.2 Oblique Illumination Dispersion Staining 1.3 Darkfield Illumination Dispersion Staining … 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
Central Atlantic Magmatic Province — The Central Atlantic magmatic province (CAMP) was formed during the breakup of Pangaea during the Mesozoic Era. The initial breakup of Pangaea in early Jurassic time provided a legacy of basaltic dikes, sills, and lavas over a vast area around… … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
Kimberlite — is a type of potassic volcanic rock best known for sometimes containing diamonds. It is named after the town of Kimberley in South Africa, where the discovery of an 83.5 carat diamond in 1871 spawned a diamond rush, eventually creating the Big… … Wikipedia
Crenulation — or Crenulation cleavage is a texture formed in metamorphic rocks such as phyllite, schist and some gneiss by two or more stress directions resulting in superimposed foliations. Contents 1 Formation 2 Recognition 3 Analysis … Wikipedia
Micrographic texture — In petrology, micrographic texture is a fine grained intergrowth of quartz and alkali feldspar, interpreted as the last product of crystallization in some igneous rocks which contain high or moderately high percentages of silica. Micropegmatite… … Wikipedia
Granite — For other uses, see Granite (disambiguation). Granite Igneous Rock Granite containing potassium feldspar, plagioclase feldspar, quartz, and biotite and/or amphibole Composi … 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
Safavid art — refers to art in Persia (Iran) during the dynasty of the same name (1501 1722), a high point for the art of the book and architecture; other art at the time included ceramics, metal and glass. While of course nourished by Persian culture, the… … Wikipedia
Qidong (meteorite) — Meteorite Name= Qidong Image caption= Image width= Type= Chondrite Class= Ordinary chondrite Group= L/LL5 an Structural classification= Composition= Fa25.7 [http://articles.adsabs.harvard.edu/cgi bin/nph iarticle query?bibcode=1987Metic..22..157G … Wikipedia
