Split Butte
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| Split Butte | |
|---|---|
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| Highest point | |
| Elevation | 6,227 ft (1,898 m) |
| Coordinates | Lua error in Module:Coordinates at line 489: attempt to index field 'wikibase' (a nil value). |
| Geography | |
| Location | Butte County, Idaho, United States |
| Topo map | USGS Split Butte |
| Geology | |
| Rock age | 300,000 years |
| Mountain type | Lava dome |
Split Butte is a volcanic crater of the Quaternary age[1] located in Fremont county in Idaho.[2]
The National Park Service called Split Butte one of the most unique features of the Snake River Plain.[3]: 8
Name
[edit | edit source]The name of the crater comes from gap in the upper tephra layers at the eastern side of the butte.[4]
Geology
[edit | edit source]Split Butte is also a maars and a tuff cone.[5] At one point it had a lava lake.[1]
The split, which is located on the east side is believed to be caused by wind erosion. The winds have also caused more pyroclastic debris to the east side.[4]
It is slightly surrounded by lava flows from the Wapi lava field[6] the butte contains vitric ash that forms a ring.[7]: 252
References
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