monzonite

American  

[mon-zuh-nahyt] / ˈmɒn zəˌnaɪt /

noun

1. any of a group of granular igneous rocks having approximately equal amounts of orthoclase and plagioclase feldspar, intermediate in composition between syenite and diorite.

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monzonite British  

/ ˈmɒnzəˌnaɪt, ˌmɒnzəˈnɪtɪk /

noun

1. a coarse-grained plutonic igneous rock consisting of equal amounts of plagioclase and orthoclase feldspar, with ferromagnesian minerals

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monzonite Scientific  

/ mŏn-zō′nīt′,mŏn′zə-nīt′ /

1. 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 Word Forms

• monzonitic adjective

Etymology

Origin of monzonite

1880–85; < German Monzonit, named after Monzoni, mountain in Tyrol; -ite ¹