Monzonite meaning

mŏn-zōnīt, mŏnzə-nīt
An igneous rock composed chiefly of plagioclase feldspar and orthoclase, with small amounts of other minerals.
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A dark-colored, intrusive igneous rock containing orthoclase and plagioclase in nearly equal quantities, a small amount of quartz, and some biotite.
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An igneous rock composed chiefly of plagioclase and orthoclase, with small amounts of amphibole, pyroxene, and biotite. Monzonite contains little or no quartz.
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(geology) An intrusive igneous rock composed mostly of plagioclase and orthoclase.
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Origin of monzonite

  • French after Mount Monzoni in northeast Italy

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Monzoni in the Italian Tyrol

    From Wiktionary