Granodiorite

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Description

A plutonic igneous rock resembling granite but with less feldspar alkali feldspar and with more plagioclase. Granodiorite usually is dark in color and contains biotite mica and hornblende. Examples of granodiorite are found in the Rosetta Stone and in Plymouth Rock.

Synonyms and Related Terms

granodiorito (Port.)

Authority

Submitted information, Submitted information Comment: Jos Delgado Rodrigues, LNEC, 2009

at http://www.wikipedia.com, Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: Granodiorite (accessed March 2010)

Retrieved from "https://cameo.mfa.org/index.php?title=Granodiorite&oldid=15600"

Materials database