fluid inclusion
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Fluid inclusions — are microscopic bubbles of liquid and gas that are trapped within crystals. As minerals often form from a liquid or aqueous medium, tiny blebs of that liquid can become trapped within the crystal structure or in healed fractures within a crystal … Wikipedia
Inclusion (minéralogie) — Inclusions de rutile dans un cristal de quartz. En minéralogie, une inclusion désigne un matériau emprisonné à l intérieur d un minéral. Les inclusions peuvent être un liquide, un gaz, du pétrole ou un autre minéral … Wikipédia en Français
Inclusion (mineral) — In mineralogy, an inclusion is any material that is trapped inside a mineral during its formation. In gemmology is a characteristic enclosed within a gemstone, or reaching its surface from the interior.According to Hutton s law of inclusions,… … Wikipedia
metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… … Universalium
Abiogenic petroleum origin — is a largely abandoned hypothesis that was proposed as an alternative to theory of biological petroleum origin. It was relatively popular in the past, but it went largely forgotten at the end of the 20th century after it failed to predict the… … Wikipedia
Selenite — This article is about the mineral: for other meanings, see Selenite (disambiguation). Selenite, satin spar, desert rose, and gypsum flower are four varieties of gypsum; all four varieties show obvious crystalline structure. The four crystalline… … Wikipedia
Magmatic water — or juvenile water is water which exists within and in equilibrium with a magma or water rich volatile fluids which are derived from a magma. This magmatic water is released to the atmosphere during a volcanic eruption. Magmatic water may also be… … Wikipedia
Herkimer diamond — Herkimer Diamant Middleville, County of Herkimer, NY, USA Herkimer diamond is a generic name for a double terminated quartz crystal discovered within exposed outcrops of dolostone in and around Herkimer County, New York and the Mohawk River … Wikipedia
Fluorite — General Category Halide mineral Chemical formula CaF2 … Wikipedia
Largentière — French commune nomcommune=Largentière région=Rhône Alpes département=Ardèche arrondissement=Largentière canton= insee=07132 cp=07710 maire=Jean Roger Durand mandat=2008 2014 intercomm= longitude=4.294167 latitude=44.543611 alt moy= alt mini=147… … Wikipedia
Paragenesis — is a petrologic concept meaning an equilibrium assemblage of mineral phases . It is used in studies of igneous and metamorphic rock genesis and importantly in studies of the hydrothermal deposition of ore minerals and the rock alteration (vein… … Wikipedia
