Checked content

File:Andesite pmg ss 2006.jpg

Siim Sepp, 2006

Volcanic rock andesite. Photomicrograph with crossed polars. The width of the view is approximately 0,15 cm. Porphyritic texture. Main phenocrysts are plagioclase, hornblende and magnetite. Groundmass is composed of volcanic glass, plagioclase, hornblende, magnetite and biotite.

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.

w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
  • share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.
This licensing tag was added to this file as part of the GFDL licensing update.

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

Schools Wikipedia and SOS Children

Schools Wikipedia has been carefully checked to give you the best learning experience. By supporting vulnerable children right through to adulthood, SOS Children makes a lasting difference to the lives of thousands of people. Education is a key part of our work, and our schools provide high-quality teaching to the children in our care. Would you like to sponsor a child?