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hydrothermal solution

См. также в других словарях:

  • hydrothermal mineral deposit — ▪ geology       any concentration of metallic minerals formed by the precipitation of solids from hot mineral laden water (hydrothermal solution). The solutions are thought to arise in most cases from the action of deeply circulating water heated …   Universalium

  • hydrothermal ore deposit — Any concentration of metallic minerals formed by the release of solids from hot mineral laden water (hydrothermal solution). The solutions are thought to arise in most cases from the action of deeply circulating water heated by magma. Another… …   Universalium

  • Hydrothermal synthesis — includes the various techniques of crystallizing substances from high temperature aqueous solutions at high vapor pressures; also termed hydrothermal method . The term hydrothermal is of geologic origin. Geochemists and mineralogists have studied …   Wikipedia

  • hydrothermal — hydrothermal, ale, aux [ idrotɛrmal, o ] adj. • 1866; de hydro et thermal ♦ Didact. Qui se rapporte aux eaux thermales; qui résulte de l action des eaux thermales. Source hydrothermale. Minéral hydrothermal, formé à partir des minéraux présents… …   Encyclopédie Universelle

  • 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

  • clay mineral — any of a group of hydrous aluminum silicate minerals, as kaolinite, illite, and montmorillonite, that constitute the major portion of most clays. [1945 50] * * * Any of a group of important hydrous aluminum silicates with a layered structure and… …   Universalium

  • Restite — is the residual material left at the site of melting during the in place production of granite through intense metamorphism.Generally, restite is composed of a predominance of mafic minerals because these are harder to melt (see Bowen s reaction… …   Wikipedia

  • Carbonate hosted lead zinc ore deposits — World wide distribution of MVT deposits, (red), clastic sediment hosted (green), and unclassified (blue) lead zinc deposits. Source: USGS Carbonate hosted lead zinc ore deposits are important and highly valuable concentrations of lead and zinc… …   Wikipedia

  • paragenesis — paragenetic /par euh jeuh net ik/, adj. /par euh jen euh sis/, n. Geol. 1. the origin of minerals or mineral deposits in contact so as to affect one another s formation. 2. the order in which the minerals in a rock or vein have crystallized.… …   Universalium

  • Nambulite — Gem quality nambulite from the Kombat Mine, Grootfontein District of Namibia (size: 0.7 x 0.6 x 0.4 cm) General Category Inosilicate …   Wikipedia

  • deep-sea vent — Hydrothermal (hot water) vent formed on the ocean floor when seawater circulates through hot volcanic rocks, often located where new oceanic crust is being formed. Vents also occur on submarine volcanoes. In either case, the hot solution emerging …   Universalium

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