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Migmatite is a composite rock found in medium and high-grade metamorphic environments, commonly within Precambrian cratonic blocks. It consists of two...

deforms around the more resistant feldspar grains to produce this texture. Migmatite is a gneiss consisting of two or more distinct rock types, one of which...

calcium and iron in granulite residues. This may be the origin of migmatites. A migmatite consists of dark, refractory rock (the melanosome) that is permeated...

the Sudetes and are among the oldest in Europe. Other deposits include migmatite rocks, to a lesser extent also amphibolite, serpentinite, granulite, and...

devitrified Dendritic texture; dendrites Diatextite; see also schlieren and migmatite Embayed minerals; see igneous texture Equigranular Euhedral Eutaxitic...

of the basement are gneiss (ortho- and paragneisses, in the south also migmatites and diatexites, for example on the Schauinsland and Kandel). These gneisses...

products are high to ultrahigh temperature granulites and their associated migmatite and granites in collisional orogens, with possible emplacement of metamorphic...

Migmatite geology at Maigetter Peak...

that anatexis is the process largely responsible for the formation of migmatites. Furthermore, scientists have recently discovered that partial melting...

gneiss Marble – Type of metamorphic rock – a metamorphosed limestone Migmatite – Mixture of metamorphic rock and igneous rock Mylonite – Metamorphic...

geologists Metamorphic rock – Rock that was subjected to heat and pressure Migmatite – Mixture of metamorphic rock and igneous rock Petrology – Branch of geology...

most dominant rock unit in the area and includes granites, gneisses and migmatites, while the soils of Bangalore consist of red laterite and red, fine loamy...

micas, or amphiboles may form along a linear pattern resembling gneiss or migmatite banding. Granulites form at crustal depths, typically during regional...

chemical reaction between intrusion and country rock, and often have broad migmatite zones. Foliations in the intrusion and the surrounding country rock are...

of the Nigerian Province are split up by thrust and shear zones. The Migmatite-Gneiss Complex covers half of Nigeria's surface area and encompasses Archean...

of the Satakunta region. Tampere's bedrock consists of mica schist and migmatite, and its building stone deposits are diverse: in addition to the traditional...

the Costa Brava in the winter (Costa Brava means "wild coast"), so the migmatites and schists are battered and eroded by the Tramuntana wind which whips...

include amphibolite, greenschist, phyllite, marble, serpentinite, eclogite, migmatite, skarn, granulite, mylonite, and slate. The basic classification can be...

intense heat, weight and stress to create unusual swirled patterns known as migmatite, appearing to have been nearly melted in the procedure. Volcanism began...

June 1934) was a Finnish petrologist most associated with his studies of migmatites. Troubled by illness throughout his life, Sederholm originally chose to...