Big Southern Butte Explained

Big Southern Butte
Elevation Ft:7550
Elevation Ref:[1]
Prominence Ft:2380
Prominence Ref:[2]
Location:Butte County, Idaho,
United States
Coordinates:43.4014°N -113.0239°W
Topo:USGS Big Southern Butte
Type:Lava dome
Age:300,000 years

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.[3] It is one of the largest volcanic domes on earth.[4] It rises approximately 2500 vertical feet (762 m) above the lava plain in southern Butte County, east of Craters of the Moon National Monument.

Big Southern Butte consists of two coalesced lava domes with a base diameter of 6.5km (04miles) and a combined volume of approximately 8km3.[5]

See also

External links

Notes and References

  1. Web site: Big Southern Butte : visitidaho.org . Idaho Department of Commerce . 2008-08-13 . dead . https://web.archive.org/web/20081008041513/http://www.visitidaho.org/thingstodo/outdoor-recreation/big-southern-butte.aspx . 2008-10-08 .
  2. 17107. Big Southern Butte, Idaho . 2012-12-21.
  3. Web site: Formation of Big Southern Butte, eastern Snake River Plain, Idaho . The Educational Multimedia Visualization Center of the Dept. Geological Sciences, U.C.S.B . 2007-06-17 . https://web.archive.org/web/20070627171732/http://emvc.geol.ucsb.edu/download/bsb.php . 27 June 2007 . dead .
  4. Web site: Big Southern Butte . . 2007-10-09 . 2008-08-13 . dead . https://web.archive.org/web/20081016202332/http://www.blm.gov/id/st/en/fo/upper_snake/recreation_sites_/Big_Butte.html . October 16, 2008 .
  5. Book: Haller, Kathleen . Spencer Wood . Geological Field Trips in Southern Idaho, Eastern Oregon, and Northern Nevada . Department of Geosciences, Boise State University . January 2004 . 138 . 978-0-9753738-0-4.