Big Southern Butte
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Big Southern Butte ( ) is the largest and youngest (300,000 years old) of three rhyolitic domes formed over a million years near the center of the Eastern Snake River Plain in the U.S. state of Idaho.[1] In fact, it is one of the largest volcanic domes on earth.[citation needed]
[edit] References
- ^ Formation of Big Southern Butte, eastern Snake River Plain, Idaho. The Educational Multimedia Visualization Center of the Dept. Geological Sciences, U.C.S.B. Retrieved on 2007-06-17.
