एक डार्क मोटे-ग्रेने वाली इंजेक्शन रॉक मुख्य रूप से ओलिविन के साथ

peridotite's Usage Examples:

With the J urassic beds is associated an extensive series of eruptive rocks (gabbro, peridotite, serpentine, diorite, granite, 'c.); they are chiefly of Jurassic age, but the eruptions may have continued into the Lower Cretaceous.

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.

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.

Peridotite and gabbro form much of the eastern peninsula (Banggai).

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

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.

peridotite's Meaning':

a dark coarse-grained igneous rock consisting principally of olivine