Difference between revisions of "Granodiorite"
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== Description == | == Description == | ||
| − | A plutonic [http://cameo.mfa.org/materials/fullrecord.asp?name=igneous igneous] rock resembling [http://cameo.mfa.org/materials/fullrecord.asp?name=granite granite] but with less [http://cameo.mfa.org/materials/fullrecord.asp?name=alkali | + | A plutonic [http://cameo.mfa.org/materials/fullrecord.asp?name=igneous igneous] rock resembling [http://cameo.mfa.org/materials/fullrecord.asp?name=granite granite] but with less [http://cameo.mfa.org/materials/fullrecord.asp?name=alkali%20feldspar alkali feldspar] and with more [http://cameo.mfa.org/materials/fullrecord.asp?name=plagioclase plagioclase]. Granodiorite usually is dark in color and contains [http://cameo.mfa.org/materials/fullrecord.asp?name=biotite biotite mica] and [http://cameo.mfa.org/materials/fullrecord.asp?name=hornblende hornblende]. Examples of granodiorite are found in the Rosetta Stone and in Plymouth Rock. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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== Authority == | == Authority == | ||
| − | * | + | * Submitted information Comment: José Delgado Rodrigues, LNEC, 2009 |
| − | * | + | * Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: Granodiorite (accessed March 2010) |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 07:48, 24 July 2013
Description
A plutonic igneous rock resembling granite but with less 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 Comment: José Delgado Rodrigues, LNEC, 2009
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: Granodiorite (accessed March 2010)