- retrograde metamorphism
- 退化变质
English-Chinese geology dictionary (英汉地质大词典). 2013.
retrograde metamorphism
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Metamorphism — For other uses, see Metamorphism (disambiguation). Schematic representation of a metamorphic reaction. Abbreviations of minerals: act = actinolite; chl = chlorite; ep = epidote; gt = garnet; hbl = hornblende; plag = plagioclase. Two minerals… … Wikipedia
metamorphism — /met euh mawr fiz euhm/, n. 1. Geol. a change in the structure or constitution of a rock due to natural agencies, as pressure and heat, esp. when the rock becomes harder and more completely crystalline. 2. Archaic. metamorphosis. [1835 45; META + … Universalium
retrograde development — Retrogression Re tro*gres sion, n. [Cf. F. r[ e]trogression. See {Retrograde}, and cf. {Digression}.] 1. The act of retrograding, or going backward; retrogradation. [1913 Webster] 2. (Biol.) Backward development; a passing from a higher to a… … The Collaborative International Dictionary of English
Ultra-high-temperature metamorphism — (UHT) represents extreme crustal metamorphism with metamorphic temperatures exceeding 900 °C (Harley, 1998 Geol. Soc. Lond; Brown, 2007 Int. Geol. Rev.; Kelsey, 2008 Gondwana Res.; Santosh and Omori, 2008a Gondwana Res.). Granulite facies rocks… … Wikipedia
regressive metamorphism — Retrogression Re tro*gres sion, n. [Cf. F. r[ e]trogression. See {Retrograde}, and cf. {Digression}.] 1. The act of retrograding, or going backward; retrogradation. [1913 Webster] 2. (Biol.) Backward development; a passing from a higher to a… … The Collaborative International Dictionary of English
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
Kambalda type komatiitic nickel ore deposits — Kambalda type nickel ore deposits are a class of magmatic nickel copper ore deposit in which the physical processes of komatiite volcanology serve to enrich, concentrate and deposit nickel bearing sulfide within the lava flow environment of an… … Wikipedia
Amphibolite — (pronEng|æmˈfɪbəlaɪt) is the name given to a rock consisting mainly of hornblende amphibole, the use of the term being restricted, however, to metamorphic rocks. The modern terminology for a holocrystalline plutonic igneous rocks composed… … Wikipedia
Rock cycle — rocks do not remain in equilibrium and are forced to change as they encounter new environments. The rock cycle is an illustration that explains how the 3 rock types are related to each other and how processes change from one type to another over… … Wikipedia
Eclogite — (pronEng|ˈɛklədʒaɪt) is a coarse grained mafic (basaltic in composition) metamorphic rock. Eclogite is of special interest for at least two reasons. First, it forms at pressures greater than those typical of the crust of the Earth. Second, being… … Wikipedia
Foliation (geology) — Foliation is any penetrative planar fabric present in rocks. Foliation is common to rocks affected by regional metamorphic compression typical of orogenic belts. Rocks exhibiting foliation include the typical metamorphic rock sequence of slate,… … Wikipedia
