Checked content



English: Gabbro specimen; Rock Creek Canyon, eastern Sierra Nevada, California.
Date 11 August 2008
Source Own work
Author Wilson44691

Photograph taken by Mark A. Wilson (Department of Geology, The College of Wooster).


Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

The following pages on Schools Wikipedia link to this image (list may be incomplete):


A background to Schools Wikipedia

Wikipedia for Schools was collected by SOS Children. More than 2 million people benefit from the global charity work of SOS Children, and our work in 133 countries around the world is vital to ensuring a better future for vulnerable children. Sponsoring a child is a great way to help children who need your support.