monzonite
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.mon·zo·nite
noun \män-ˈzō-ˌnīt, ˈmän-zə-\Definition of MONZONITE
: a granular igneous rock composed of plagioclase and orthoclase in about equal quantities usually together with augite and biotite
Origin of MONZONITE
French, from Mt. Monzoni, Italy
First Known Use: 1895
monzonite
noun (Concise Encyclopedia)Type of igneous rock that contains abundant and approximately equal amounts of plagioclase and potash feldspar, as well as other minerals. The type region is Monzoni, Italy, in the Italian Tirol; similar rocks have been described from Montana, Norway, Sakhalin Island, and other localities. Monzonite is not rare, but it generally occurs in rather small, heterogeneous masses mixed with diorites, pyroxenites, or gabbros.
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