Volcanic plumbing

Volcanic plumbing

The dark bands of rock in this photo of Wright Valley are sills, horizontal layers of volcanic rock formed when magma pushed its way between surrounding layers of sandstone.

Please contact us if you have questions about the rights on this image.

Your Comments, Thoughts, Questions, Ideas

Anonymous says:

wow

posted on Thu, 01/10/2008 - 8:22pm

Post new comment

The content of this field is kept private and will not be shown publicly.
  • Allowed HTML tags: <a> <h3> <h4> <em> <i> <strong> <b> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd> <blockquote> <object> <embed> <param>
  • Lines and paragraphs break automatically.
  • Images can be added to this post.
  • Web page addresses and e-mail addresses turn into links automatically.

More information about formatting options