Difference between revisions of "Andesite"
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* ''Encyclopedia Britannica'', http://www.britannica.com Comment: "andesite." Encyclopædia Britannica. 2005. Encyclopædia Britannica Premium Service 21 Jan. 2005 . | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "andesite." Encyclopædia Britannica. 2005. Encyclopædia Britannica Premium Service 21 Jan. 2005 . | ||
Revision as of 12:33, 29 April 2016
Description
A fine-grain, volcanic rock primarily containing andesine (a Plagioclase feldspar). Andesite may also contain smaller amounts of Biotite, Hornblende, and Pyroxene. Commonly found on the western coast of South America, andesite is named for the Andes mountains.
Additional Images
Andesite
Sources Checked for Data in Record
- Encyclopedia Britannica, http://www.britannica.com Comment: "andesite." Encyclopædia Britannica. 2005. Encyclopædia Britannica Premium Service 21 Jan. 2005 .
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Andesite