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Sunday, August 15, 2004

Granulite Facies

One of the major divisions of the mineral facies classification of metamorphic rocks, the rocks of which formed under the most intense temperature-pressure conditions usually found in regional metamorphism. At the upper limit of the facies, migmatite formation or granitization processes may occur. Temperatures of 500°–650° C (950°–1,200° F) and pressures of several kilobars (one kilobar

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