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Blackfoot in Bingham County, Idaho — The American West (Mountains)
 

Big Butte

 
 
Big Butte Marker image. Click for full size.
Photographed By Michael Herrick, May 11, 2017
1. Big Butte Marker
Inscription.  
Big Butte
Towering 2500 feet high, two over lapping rock domes form a 300,000 year-old butte that dominates this lava plain.

After a hot flow of molten rhyolite (acidic rock) boiled up through older lava, a second rhyolite dome pushed up a block of earlier basalt on its northwest side. They took many thousands of years to reach their present shape, but geologically they are very recent structures.
 
Erected by Idaho Historical Society & Idaho Transportation Department. (Marker Number 436.)
 
Topics and series. This historical marker is listed in this topic list: Natural Features. In addition, it is included in the Idaho State Historical Society series list.
 
Location. 43° 31.694′ N, 112° 42.84′ W. Marker is in Blackfoot, Idaho, in Bingham County. Marker is at the intersection of U.S. 20 and Twin Buttes Road, on the right when traveling east on U.S. 20. Touch for map. Marker is in this post office area: Blackfoot ID 83221, United States of America. Touch for directions.
 
Other nearby markers. At least 1 other marker is within walking distance
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of this marker. Three Buttes (a few steps from this marker).
 
Also see . . .  Big Southern Butte on Wikipedia. (Submitted on May 29, 2017, by Michael Herrick of Southbury, Connecticut.)
 
Three Buttes and Big Butte Markers image. Click for full size.
Photographed By Michael Herrick, May 11, 2017
2. Three Buttes and Big Butte Markers
View from Big Butte Marker image. Click for full size.
Photographed By Michael Herrick, May 11, 2017
3. View from Big Butte Marker
On the left is Middle Butte, about 4 miles south-southwest of the marker. On the horizon at the right is Big Southern Butte, about 30 miles southwest of the marker. The few roads between the marker and Big Southern Butte are unpaved.
 
 
Credits. This page was last revised on June 3, 2017. It was originally submitted on May 29, 2017, by Michael Herrick of Southbury, Connecticut. This page has been viewed 972 times since then and 20 times this year. Photos:   1, 2, 3. submitted on May 29, 2017, by Michael Herrick of Southbury, Connecticut.

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Feb. 21, 2024