monzonite


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.

Browse

Next Word in the Dictionary: moo
Previous Word in the Dictionary: monuron
All Words Near: monzonite

Seen & Heard

What made you want to look up monzonite? Please tell us where you read or heard it (including the quote, if possible).