Coquihalla Mountain

Coquihalla Mountain is an extinct stratovolcano in Similkameen Country, southwestern British Columbia, Canada, located 10 km (6.2 mi) south of Falls Lake and 22 km (14 mi) west of Tulameen between the Coquihalla and Tulameen rivers. With a topographic prominence of 816 m (2,677 ft), it towers above adjacent mountain ridges. It is the highest mountain in the Bedded Range of the northern Canadian Cascades with an elevation of 2,157 m (7,077 ft) and lies near the physiographic boundaries with the Coast Mountains on the west and the Interior Plateau on the east.

Coquihalla Mountain
Eastern flank of Coquihalla Mountain
Highest point
Elevation2,157 m (7,077 ft)
Prominence816 m (2,677 ft)
ListingList of volcanoes in Canada
List of Cascade volcanoes
Coordinates49°31′30.0″N 121°03′36.0″W
Geography
LocationBritish Columbia, Canada
DistrictYale Division Yale Land District
Parent rangeBedded Range
Topo mapNTS 92H11 Spuzzum
Geology
Age of rock22 million years
Mountain typeStratovolcano
Volcanic arc/beltPemberton Volcanic Belt
Canadian Cascade Arc
Last eruption21 million years

Geology

Coquihalla Mountain is a major preserved feature in the Miocene age Pemberton Volcanic Belt that was erupting about 21 to 22 million years ago.[1][2] Like the Pemberton Volcanic Belt, Coquihalla Mountain formed as result of Cascadia subduction.

See also

References
  1. Cenozoic to Recent plate configurations in the Pacific Basin: Ridge subduction and slab window magmatism in western North America
  2. Character of volcanism, volcanic hazards, and risk, northern end of the Cascade magmatic arc, British Columbia and Washington State
  • "Coquihalla Mountain". Geographical Names Data Base. Natural Resources Canada. Retrieved 2010-06-02.
  • "Coquihalla Mountain". Bivouac.com. Retrieved 2010-06-02.
  • "Coquihalla Mountain, British Columbia". Peakbagger.com. Retrieved 2010-06-02.
  • "Coquihalla Mountain". BC Geographical Names.
  • Geology of the Coquihalla Volcanic Complex, southwestern British Columbia


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