• Steam rises off of the colorful Mammoth Hot Springs Terraces

    Yellowstone

    National Park ID,MT,WY

Inside Yellowstone - Sheepeater Cliff

 
More Information

Sheepeater Cliff Photos - Earths Extremophiles Website
http://www.lpi.usra.edu/education/fieldtrips/2007/photos/sheepeater_cliff/index.htm

Basalt - Wikipedia
http://en.wikipedia.org/wiki/Basalt

Basalt - About.com
http://geology.about.com/od/rocks/ig/igrockindex/rocpicbasalt.htm

Columnar Basalt Photos - Centripetal Notion
http://centripetalnotion.com/2007/07/21/20:50:54/


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