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File:Volcanosed.svg

Applications-graphics.svg This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Vectorized. The original can be viewed here: Volcanosed.gif. Modifications made by Hardwigg.
Description
English: A schematic geological cross-section of a sequence of sedimentary rocks that are later intruded by igneous rocks accompanied by volcanic activity.
Date 2010-10-31 21:20 (UTC)
Source
  • United States Geological Survey - Geologic History of Lake Mead National Recreation Area: http://3dparks.wr.usgs.gov/2005/lakemead/html/lame_history.htm
Author United States Geological Survey
  • derivative work: Hardwigg
Permission
( Reusing this file)
Public domain This image is in the public domain because it 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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