eclogite
/ˈɛklɒdʒʌɪt
/noun [mass noun] Geology
A metamorphic rock containing granular minerals, typically garnet and pyroxene.Specific rock names that record both the parent rock and its mineralogy are relatively rare, but include eclogite, blueschist, and amphibolite....
- In similar contrast to the Okenyenya xenolith suite, lithologies such as wehrlite, eclogite and pyroxenite are also absent.
- The granulite to eclogite transformation may not occur if water is absent; for example, if ocean crust has been dehydrated as happens when a slab subducts.
Origin
Mid 19th century: from French, from Greek eklogē 'selection' (with reference to the selective content of the rock) + -ite1.
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