Definition of serpentinite in English:


Line breaks: ser¦pent|in¦ite
Pronunciation: /ˈsəːp(ə)ntɪˌnʌɪt


[mass noun] Geology
  • A dark, typically greenish metamorphic rock, consisting largely of serpentine or related minerals, formed when mafic igneous rocks are altered by water.
    More example sentences
    • It has also been found in silica-poor igneous rocks, such as syenite, nepheline syenite, serpentinite, and lamprophyre.
    • Compositionally, the turbidites are mostly feldspathic litharenites with trace amounts of serpentinite, anorthosite and mafic volcanic clasts.
    • The resulting rock, called serpentinite, has a much lower density than the original peridotite, thereby increasing the relative buoyancy of the future ophiolite - and with this its chances of obduction.


1930s: from serpentine + -ite1.

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