eclogite

American  

[ek-luh-jahyt] / ˈɛk ləˌdʒaɪt /

noun

1. a rock consisting of a granular aggregate of green pyroxene and red garnet, often containing kyanite, silvery mica, quartz, and pyrite.

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eclogite British  

/ ˈɛkləˌdʒaɪt /

noun

1. a rare coarse-grained basic rock consisting principally of garnet and pyroxene. Quartz, feldspar, etc, may also be present. It is thought to originate by metamorphism or igneous crystallization at extremely high pressure

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eclogite Scientific  

/ ĕk′lə-jīt′ /

1. A greenish, coarse-grained metamorphic rock consisting of pyroxene, quartz, and feldspar with large red garnet inclusions. Eclogites form under conditions of high pressure and moderate to high temperatures.

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Etymology

Origin of eclogite

1815–25; < Greek eklog ( ḗ ) selection ( eclogue ) + -ite ¹

Example Sentences

Searching for that eclogite metamorphic rock, and listening to Coltrane as you turn the bend.

From Los Angeles Times

If the plume is rich in a mineral called eclogite, which is denser than typical mantle materials, it will stall as it reaches a depth of about 400 kilometres.

From Nature

Cyanite is a characteristic mineral of the metamorphic crystalline rocks—gneiss, schist, granulite and eclogite—and is often associated with garnet and staurolite.

From Project Gutenberg

Eclogite, ek′loj-īt, n. a crystalline rock, composed of smaragdite and red garnet.

From Project Gutenberg

With omphacite and smaragdite, garnet forms the peculiar rock called eclogite.

From Project Gutenberg