epidiorite

American

[ep-i-dahy-uh-rahyt] / ˌɛp ɪˈdaɪ əˌraɪt /

noun

Petrography.

a schistose metamorphic rock resulting from the alteration of augite to hornblende in a gabbro or dolerite.

Etymology

Origin of epidiorite

First recorded in 1885–90; epi- + diorite

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The metamorphic rocks are associated with bands of epidiorite which have shared in the folding and metamorphism of the region.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5 "Arculf" to "Armour, Philip" by Various

The third group of epidosites may form bands, veins, or irregular streaks and nodules in masses of epidiorite and hornblende-schist.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6 "English Language" to "Epsom Salts" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023