Itcha Range
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| Itcha Range | |
|---|---|
| Elevation | 2,368 metres (7,768 feet) |
| Location | Anahim Volcanic Belt, British Columbia, Canada |
| Range | Chilcotin Plateau |
| Coordinates | |
| Type | Shield volcano |
The Itcha Range is one of the several eroded, major shield volcanoes that form the Anahim Volcanic Belt in the Chilcotin District of the West-Central Interior of British Columbia, Canada. The range is located 25 miles (40 km) NE of Anahim Lake. Its main peaks of the Itcha Range are Itcha Mountain and Mount Downton.
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[edit] Geology
The Anahim Volcanic Belt includes other immediately-nearby ranges, the Rainbow and Ilgachuz Ranges. The Itcha Range and its neighbours were formed when the North American Plate moved over a stationary hotspot, similar to the one feeding the Hawaiian Islands, known as the Anahim hotspot.
Satah Mountain East occupies the high point of a long ridge of trachytic lava domes, lava flows and basaltic and trachybasaltic pyroclastic cones, extending south from the felsic Itcha Range shield complex. The youngest cone is well preserved, and could be of comparable age to the 7200-year-old Nazko Cone east of the Itcha Range. Most late-stage lavas capping the Itcha shield complex were erupted from cinder cones, tuff rings, and fissures in the eastern half of the complex. Like most volcanoes in British Columbia, it is part of the Pacific Ring of Fire, that includes over 160 active volcanoes.
[edit] Itcha Ilgachuz Provincial Park
The Itcha and Ilgachuz Ranges form the core of the Itcha Ilgachuz Provincial Park, while the Rainbow Range lies partly in the Tweedsmuir South Provincial Park.
[edit] See also
- Anahim Volcanic Belt
- Anahim hotspot
- Ilgachuz Range
- Itcha Ilgachuz Provincial Park
- Rainbow Range
- Tweedsmuir South Provincial Park
- List of volcanoes in Canada
[edit] External links
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