eclogite उदाहरण वाक्य

Eclogite diamonds are also typically higher in nitrogen, and will have a different suite of mineral inclusions than harzburgitic diamonds.
In metamorphic rocks, coesite was initially described in eclogite xenoliths from the crustal rocks are carried to depths of or more.
Serpentinite is unstable at mantle temperatures and is readily dehydrated to granulite, amphibolite, talc & ndash; schist and even eclogite.
Melting of an amphibolite quartz eclogite has been suggested as a probable origin for these high-Al 2 O 3 felsic magmas.
Eclogite xenoliths found within the crust in the region support the metamorphic phase change associated with the density inversion in the lower crust.

Another important water producing reaction that occurs during the eclogite facies is the dehydration of the hydrous phyllosilicate phlogopite by the reaction below.
Here is Harlow's favorite, the mottled lump of eclogite, about the size of a sweet potato, looking very undistinguished.
Eclogite-derived melts may be common in the mantle, and contribute to volcanic regions where unusually large volumes of magma are erupted.
All are dominated by quartzofeldspathic gneiss with a few percent mafic rock ( eclogite ) or ultramafic rock ( garnet-bearing peridotite ).
Over the years, diamonds have yielded blemishes of eclogite and kyanite, metamorphic rocks thought to have been formed at great depths and heats.