- meta-igneous rock
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метаизверженная порода
English-Russian dictionary of geology. 2011.
meta-igneous rock
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Ultramafic rock — Ultramafic (also referred to as ultrabasic) rocks are igneous and meta igneous rocks with very low silica content (less than 45%), generally >18% MgO, high FeO, low potassium, and are composed of usually greater than 90% mafic minerals (dark… … Wikipedia
Metamorphic facies — Eclogite Blueschist Greenschist Prehnite Pumpellyite … Wikipedia
Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… … Universalium
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
Archean — The Archean (pronEng|ɑrˈkiːən, also spelled Archaean, formerly called the Archaeozoic (IPA|/ɑrkiəˈzoʊɪk/), also spelled Archeozoic or Archæozoic) is a geologic eon before the Proterozoic and Paleoproterozoic, before 2.5 Ga (billion years ago, or… … Wikipedia
metaigneous — | ̷ ̷ ̷ ̷ at meta + adjective Etymology: meta + igneous : of, relating to, or being metamorphosed igneous rock … Useful english dictionary
orth- — combining form or ortho Etymology: Middle English, from Middle French, straight, right, true, from Latin, from … Useful english dictionary
Porphyroblast — [ thumb|right|350px|An almandine garnet growing as a porphyroblast in a quartzitic gneiss. This particular garnet measures 3 cm. Location: Paraíba, Brazil.] A porphyroblast is a large mineral crystal in a metamorphic rock which has grown within… … Wikipedia
West Virginia Prehistory — The area now known as West Virginia was a favorite hunting ground of numerous Native American peoples before the arrival of European settlers. Many ancient man made earthen mounds from various mound builder cultures survive, especially in the… … Wikipedia
Roca ultrabásica — Saltar a navegación, búsqueda Las rocas ultrabásicas (también referida como ultramáficas) son rocas ígneas y meta ígneas con muy bajo sílice (menos de 45%), generalmente >18% MgO, alto FeO, bajo potasio, y se compone de usualmente más de 90%… … Wikipedia Español
Baltic Shield — The Baltic Shield (sometimes referred to as the Fennoscandian Shield) is located in Fennoscandia (Norway, Sweden and Finland), northwest Russia and under the Baltic Sea. The Baltic Shield is defined as the exposed Precambrian northwest segment of … Wikipedia
