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Deutsche Granulitfazies {f} [geol.] Synonyme

geol  

Englische granulite facies Synonyme

granulite Definition

Granulite
(n.) A whitish, granular rock, consisting of feldspar and quartz intimately mixed

granulite Bedeutung

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Granulites are a class of high-grade metamorphic rocks of the granulite facies that have experienced high-temperature and moderate-pressure metamorphism. They are medium to coarse?grained and mainly composed of feldspars sometimes associated with quartz and anhydrous ferromagnesian minerals, with granoblastic texture and gneissose to massive structure. They are of particular interest to geologists because many granulites represent samples of the deep continental crust. Some granulites experienced decompression from deep in the Earth to shallower crustal levels at high temperature; others cooled while remaining at depth in the Earth.

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