Earth:Coquihalla Mountain

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Short description: Extinct stratovolcano in British Columbia, Canada
Coquihalla Mountain
Coquihalla Mountain east aspect.jpg
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
Coordinates [ ⚑ ] 49°31′30.0″N 121°03′36.0″W / 49.525°N 121.06°W / 49.525; -121.06 
Geography
LocationBritish Columbia, Canada
DistrictYale Division Yale Land District
Parent rangeBedded Range
Topo mapNTS Script error: No such module "Canada NTS".
Geology
Age of rock22 million years
Mountain typeStratovolcano
Volcanic arc/beltPemberton Volcanic Belt
Canadian Cascade Arc
Last eruption21 million years

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.

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

External links




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