Difference between revisions of "Andesite"

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[[File:1980.73-SC24363.jpg|thumb|]]
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[[File:1980.73-SC24363.jpg|thumb|Carved andesite porphyry<br>MFA# 1980.73]]
 
== Description ==
 
== Description ==
 
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[[File:andesite_USGS.jpg|thumb|Andesite]]
 
A fine-grain, volcanic rock primarily containing andesine (a [[plagioclase|plagioclase]] feldspar). Andesite may also contain smaller amounts of [[biotite|biotite]], [[hornblende|hornblende]], and [[pyroxene|pyroxene]]. Commonly found on the western coast of South America, andesite is named for the Andes mountains.
 
A fine-grain, volcanic rock primarily containing andesine (a [[plagioclase|plagioclase]] feldspar). Andesite may also contain smaller amounts of [[biotite|biotite]], [[hornblende|hornblende]], and [[pyroxene|pyroxene]]. Commonly found on the western coast of South America, andesite is named for the Andes mountains.
  
== Additional Images ==
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==Resources and Citations==
 
 
<gallery>
 
File:andesite_USGS.jpg|Andesite
 
</gallery>
 
 
 
 
 
== Sources Checked for Data in Record ==
 
  
* ''Encyclopedia Britannica'', http://www.britannica.com  Comment: "andesite." Encyclopædia Britannica. 2005. Encyclopædia Britannica Premium Service  21 Jan. 2005 .
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* ''Encyclopedia Britannica'', http://www.britannica.com  Comment: "andesite." Accessed 21 Jan. 2005 .
  
* Wikipedia, the free encyclopedia, at http://www.wikipedia.com  Comment: http://en.wikipedia.org/wiki/Andesite
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* Wikipedia: http://en.wikipedia.org/wiki/Andesite
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 14:19, 26 April 2022

Carved andesite porphyry
MFA# 1980.73

Description

Andesite

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.

Resources and Citations