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Caribou Tuya

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Caribou Tuya
File:Caribou Tuya.jpg
Highest point
Elevation1,770 m (5,810 ft)
Geography
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LocationBritish Columbia, Canada
RegionCA
Parent rangeTuya Range
Geology
Mountain typeSubglacial mound
Volcanic arc/beltNorthern Cordilleran Volcanic Province
Last eruptionPleistocene

Caribou Tuya is a basaltic subglacial mound in far northwestern British Columbia that began eruptive activity under glacial ice during the Fraser glaciation (25 to 10 ka). Like Ash Mountain and South Tuya, sections of the subglacial mound reveal a consistent stratigraphic progression from pillow lavas to hyaloclastite deposits from the base upward. Locally the sections are capped by subaerial basaltic lava flows. Samples of the glassy pillow basalts and hyaloclastites along with crystalline basalt flows were collected at Caribou Tuya. The volcano is believed to have formed and last erupted during the Pleistocene Epoch.[1]

See also

References