File:Petrology Igneous.svg

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Description

English: Total alkali (Na₂O + K₂O) versus silica (SiO₂), or TAS, classification system of igneous rocks. After Le Maitre (2002).

Date

2012

Source

W. C. Pat Shanks III and Ronald Thurston (editors), Volcanogenic Massive Sulfide Occurrence Model, US Dept. of the Interior, U.S. Geological Survey Scientific Investigations Report 2010-5070-C (2012). p. 237 (fig. 15–2 A)

Author

W. Ian Ridley

Permission
(Reusing this file)

This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:24, 30 September 2017		411 × 307 (10 KB)	Mikhail Ryazanov	{{Information \|Description={{en\|1=Total alkali (N<sub>2</sub>O + K<sub>2</sub>O) versus silica (SiO<sub>2</sub>), or TAS, classification system of igneous rocks. After Le Maitre (2002).}} \|Source=[http://pubs.usgs.gov/sir/2010/5070/c/ W. C. Pat Shanks...

File usage

The following page uses this file:

Wikidata:WikiProject Mineralogy/Rocks, minerals and mineral varieties list

Global file usage

The following other wikis use this file:

Usage on en.wikipedia.org
Usage on es.wikipedia.org
- Petrología ígnea
Usage on pt.wikipedia.org
- Fonólito

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Width	411.41
Height	306.97