peridotite's Usage Examples:

They include gypsum, dolomite, conglomerates, phyllites, and a basic series of eruptive rocks (gabbros, peridotites, serpentines).

In 1906 a number of small diamonds were discovered in an altered peridotite somewhat resembling the S.

It appears to consist chiefly of gabbro, peridotite, serpentine and other very basic eruptive rocks, which are believed to be of Cretaceous age.

Tremolite-schist and anthophyllite-schist are in nearly all cases the representatives of the ultra-basic igneous rocks such as peridotite in regions of high metamorphism.

Serpentines, peridotites and diabases are interstratified with the Eocene deposits.

The main mineral deposits are the nickel ores, occurring as veins of garnierite, associated with peridotite dikes, in the ancient rocks of the eastern slope of the island.

With the J urassic beds is associated an extensive series of eruptive rocks (gabbro, peridotite, serpentine, diorite, granite, 'c.

In 1906 diamonds were found in a peridotite dike in Pike county 22 m.

This may explain why alkali basalts carry mostly spinel peridotites although the magma originated at deeper depth of garnet peridotites zone.