ultramafic

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

Etymology[edit]

ultra- +‎ mafic

Adjective[edit]

Wikipedia has an article on:

Wikipedia

ultramafic (comparative more ultramafic, superlative most ultramafic)

  1. (geology) Describing igneous rocks that contain magnesium and iron and only a very small amount of silica, such as are found in the Earth’s mantle.

Synonyms[edit]

Noun[edit]

ultramafic (plural ultramafics)

  1. A rock with such properties.