Coquihalla Mountain

Coquihalla Mountain
Coquihalla Mountain

Northern flank of Coquihalla Mountain
Elevation 2,157 m (7,077 ft)
Prominence 816 m (2,677 ft)
Listing List of volcanoes in Canada List of Cascade volcanoes
Location
Location British Columbia, Canada
Range Bedded Range
Coordinates 49°31′30.0″N 121°03′36.0″W / 49.525°N 121.06°W / 49.525; -121.06
Topo map NTS 92H/11
Geology
Type Stratovolcano
Age of rock 22 million years
Volcanic arc/belt Cascade Volcanic Arc Pemberton Volcanic Belt
Last eruption 21 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.

Contents

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] 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

External links



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