Checked content

File:Ordovicium-Silurian.jpg

Summary

Description Photo of the Ordovician - Silurian boundary, an example of marine transgression as exposed on the Southern tip of the Hovedøya island, Norway. Due to the folding of the caledonian mountain range, the layers have been inverted, leaving Ordovician granular limestone on top of the later Silurian brownish mudstone.
Date Summer 2007
Source Own work
Author Petter Bøckman

Licensing

I, the copyright holder of this work, hereby publish it under the following licenses:
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.

Licence Art Libre Copyleft: This work of art is free; you can redistribute it and/or modify it according to terms of the Free Art License. You will find a specimen of this license on the Copyleft Attitude site as well as on other sites.
You may select the license of your choice.
The following pages on Schools Wikipedia link to this image (list may be incomplete):

Metadata

Schools Wikipedia and SOS Children

All five editions of Schools Wikipedia were compiled by SOS Children's Villages. SOS Children helps those who have nothing and no one, giving them back the famly they have lost and bringing them the very best opportunities for a happy, healthy future. Want to learn more? Go to http://www.soschildrensvillages.org.uk/sponsor-a-child