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primary magma

См. также в других словарях:

  • Magma — For other uses, see Magma (disambiguation). Lava flow on Hawaii. Lava is the extrusive equivalent of magma. Magma (from Greek μάγμα paste ) is a mixture of molten rock, volatiles and solids[1] …   Wikipedia

  • Magma computer algebra system — Magma Developer(s) Computational Algebra Group, School of Mathematics and Statistics, University of Sydney Stable release 2.17 8 / May 27, 2011 Operating system …   Wikipedia

  • primary mineral — ▪ mineral classification       in an igneous rock, any mineral that formed during the original solidification (crystallization) of the rock. Primary minerals include both the essential minerals used to assign a classification name to the rock and …   Universalium

  • Gloeocapsa magma — Taxobox color = lightgrey name = Gloeocapsa magma regnum = Bacteria phylum = Cyanobacteria ordo = Chroococcales genus = Gloeocapsa species = G. magma binomial = Gloeocapsa magma Gloeocapsa magma is blue green algae, which is cyanobacteria, it is… …   Wikipedia

  • Igneous differentiation — In geology, igneous differentiation is an umbrella term for the various processes by which magmas undergo bulk chemical change during the partial melting process, cooling, emplacement or eruption. Contents 1 Definitions 1.1 Primary melts 1.2… …   Wikipedia

  • chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   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

  • Mauna Kea — with its seasonal snow cap visible Elevation 4,205 m (13,796  …   Wikipedia

  • tho|lei|ite — «THOH lee yt», noun. a form of basalt, usually containing quartz and alkalic feldspar: »The tholeiites represent the primary magma generated in the upper mantle beneath the oceans (Lawrence Ogden). ╂[< German Tholeiit < Tholei, a village in …   Useful english dictionary

  • mineral deposit — Introduction       aggregate of a mineral in an unusually high concentration.       About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… …   Universalium

  • Ignimbrite — is a volcanic pyroclastic rock, often of dacitic or rhyolitic composition. Ignimbrite is the deposit of a pumice rich pyroclastic density current, or pyroclastic flow , a hot suspension of particles and gases that flows rapidly from a volcano,… …   Wikipedia

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