monzonite

(män′zə nīt′)

noun

a dark-colored, intrusive igneous rock containing orthoclase and plagioclase in nearly equal quantities, a small amount of quartz, and some biotite

Origin: Ger monzonit, after Mt. Monzoni (in Tyrol), where it occurs

See monzonite in American Heritage Dictionary 4

noun

An igneous rock composed chiefly of plagioclase and orthoclase, with small amounts of other minerals.

Origin:

Origin: French

Origin: , after Mount Monzoni in northeast Italy

Related Forms:

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