Pyrolite

Noun

Definitions

1.NounA theoretical rock considered to be the best approximation of the composition of Earth's upper mantle, generally considered to be one part tholeiitic basalt and three parts dunite.

Synonyms

peridotite phonolite pyroxenite keratophyre pearlite pyroclastic pyrophyllite tholeiite orthopyroxenite tuffite pyrolusite rhyolite

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