Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of peridotite.

Etymologies

Sorry, no etymologies found.

Examples

  • The original home of platinum is in basic igneous rocks, such as peridotites, pyroxenites, and dunites, where it has been found in small, scattered crystals intergrown with olivine, pyroxene, and chromite.

    The Economic Aspect of Geology

  • In some cases, also, talc results from the alteration of igneous rocks without mashing -- as in the case of the large talc and soapstone deposits of Virginia, which are the result of rather complete alteration of basic igneous rocks such as peridotites and pyroxenites.

    The Economic Aspect of Geology

  • MORBs and thermobarometrically determined fO2s of abyssal peridotites and MORB glasses, the fO2

    Luskin vs. Science (and Scientific American) - The Panda's Thumb

  • Like enstatite, bronzite is a constituent of many basic igneous rocks, such as norites, gabbros, and especially peridotites, and of the serpentines which have been derived from them.

    Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"

  • They are thought predominantly to be peridotites, which comprise magnesium-rich, silicon-poor minerals such as olivine and pyroxene.

    BBC News - Home

  • The conductors found by the old airborne survey appear to rim a circular magnetic high that is likely due to a mafic intrusion that is also a characteristic of peridotites.

    Marketwire - Breaking News Releases

  • The BIF units are intruded by gently dipping porphyritic dykes, and appear to be surrounded by mostly peridotites and other ultramafic units.

    Marketwire - Breaking News Releases

  • The chromite-bearing horizon, which is hosted by a thick package of olivine-bearing peridotites and pyroxenites, lies directly between the Black Thor chromite discovery of Freewest Resources ( 'Freewest') and the Freewest/KWG Resources/Spider Resources Big Daddy chromite zone and northeast of Noront Resources Blackbird discoveries.

    Marketwire - Breaking News Releases

  • Hydrated oceanic peridotites form large bodies and also melanges along the northern coast of Dominican Republic.

    EurekAlert! - Breaking News

  • Saumur et al. examined serpentinites in northern Dominican Republic and found two different origins: hydrated oceanic peridotites and subarc mantle peridotites.

    EurekAlert! - Breaking News

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.