- partial anatexis
- 余深溶酌
English-Chinese geology dictionary (英汉地质大词典). 2013.
partial anatexis
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Anatexis — in geology, refers to the differential, or partial, melting of rocks, especially in the forming of metamorphic rocks such as migmatites … Wikipedia
anatexis — /an euh tek sis/, n., pl. anatexes / tek seez/. n. Geol. the process by which igneous rock remelts into magma. [ < NL < Gk anátexis a melting, equiv. to anaték(ein) to melt down (ana ANA + tékein to thaw) + sis SIS] * * * ▪ geology in… … Universalium
Leucogranite — In geology, leucogranites are amongst the youngest intrusions related to anatexis of continental crust anywhere in the world. Leucogranites are commonly found in deformed metapelitic/metagraywacke sequences that have been thrusted over basements… … Wikipedia
Superior craton — in the west. The western margin extends from northern Minnesota through eastern Manitoba to northwestern Ontario.The formation of the Superior craton is best explained within the context of 2.72 2.68 Ga accretion of small continental plates and… … Wikipedia
Migmatite — Ptygmatic folding in migmatite Migmatite on the coast of Saa … Wikipedia
Kaapvaal craton — The Kaapvaal craton (Limpopo province of South Africa), along with the Pilbara craton of Western Australia, are the only remaining areas of pristine 3.6 2.5 Ga crust on Earth. Similarities of rock records from both these cratons, especially of… … Wikipedia
Partielle Schmelze — (auch: Teilschmelze, Partielle Anatexis) bezeichnet in den Geowissenschaften das Produkt eines Schmelzprozess im Erdinneren, bei dem das feste Gesteinsmaterial bei einer vorherrschenden Temperatur zu einem Teil aufgeschmolzen wird. Gesteine, wie… … Deutsch 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
Magmatic underplating — Description Magmatic underplating occurs when basaltic magmas are trapped at the Mohorovičić discontinuity, within the crust, or even in crust mantle transition zones. Large amounts of magma reach the surface via volcanoes, but there are times… … Wikipedia
Metamorphic zone — Schematic map of a terrane with an increasing metamorphic grade. There are two folded lithologies: quartzite (originally sandy sediment) and pelite (originally clayy sediment). The index minerals can only grow in the pelite. The highest indicated … Wikipedia
