granulite


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granulite

[′gran·yə‚līt]
(petrology)
Granite that contains muscovite.
A relatively coarse, granuloblastic rock formed at the high temperatures and pressures of the granulite facies.
References in periodicals archive ?
2003, " Craton-moble belt relations in Southern granulite terrain" Journal Geological Society of India.
10b; generally between 750 and 780[degrees]C) may generate more magma (up to 60%, Clarke 1992), leaving a residue of granulite that is typical of arc environments (Collins 2002).
The metamorphic conditions and the possible age of granulite metamorphism are evaluated by V.
The Yaounde group is a huge allochtonous nappe thrust southward onto the CC It comprises low- to high-grade garnet-bearing schist, gneisses and orthogneisses transformed in medium- to high-pressure granulite facies metamorphism (Toteu et al.
The major units are the West Lithuanian Granulite Domain (WLGD) and the East Lithuanian Domain (ELD), which are juxtaposed along the Mid-Lithuanian Suture Zone (MLSZ).
It is a coarse-grained, brown-yellow granulite with some brown-red garnets.
The Minto subprovince was later designated as one of Earth's largest granulite terrains.
On the basis of geophysical and petrological studies, the Estonian basement can be divided into two major geological units--North Estonian amphibolite facies and South Estonian granulite facies complexes, which are separated from each other by a tectonical boundary (Paldiski-Pskov shear zone) and include six petrological-structural zones: the Tallinn, Alutaguse, Johvi, West Estonian, Tapa, and South Estonian zones (Fig.
The Hall Lake project is underlain at depth by rocks of the Western Granulite Domain and much of the project area is estimated to have a depth to the basement unconformity of less than 600 metres.
Stones are rounded (3-4), <10 cm in diameter and composed of granulite and granite which are the main rock types of the bedrock in the area.
Hill and Ross (1983) determined a broad range of Rb-Sr and Sm-Nd ages for megacrysts and xenoliths in the Porter Square camptonite, but a well-constrained internal Sm-Nd isochron age of 238 [+ o r-] 26 Ma was determined for a coarse-grained, graphite-garnet-bearing granulite xenolith.