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monzonite
[mon-zuh-nahyt]
noun
any of a group of granular igneous rocks having approximately equal amounts of orthoclase and plagioclase feldspar, intermediate in composition between syenite and diorite.
monzonite
/ ˈmɒnzəˌnaɪt, ˌmɒnzəˈnɪtɪk /
noun
a coarse-grained plutonic igneous rock consisting of equal amounts of plagioclase and orthoclase feldspar, with ferromagnesian minerals
monzonite
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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Other 51Թ Forms
- monzonitic adjective
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51Թ History and Origins
Origin of monzonite1
1880–85; < German Monzonit, named after Monzoni, mountain in Tyrol; -ite 1
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51Թ History and Origins
Origin of monzonite1
C19: from German, named after Monzoni, Tyrolean mountain where it was found
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