Wells Gray-Clearwater

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Wells Gray-Clearwater volcan

cinder cones 2015 m / 6,611 ft
Canada, 52.33°N / -120.57°W
Condition actuelle: en sommeil (1 sur 5)

Style éruptif tipique: Explosive
Eruptions du volcan Wells Gray-Clearwater: 1150 (Kostal Cone), 5650 BC (Dragon Cone)
Derniers séismes proches: No recent earthquakes

Time

Mag. / Depth

Distance

Location

The Wells Gray-Clearwater volcanic field is located in the Quesnel Highland of east-central British Columbia, Canada. The volcanoes are basaltic cinder cones and their lava flows. The latest eruption took place from Kostal cone about 400 years ago, thus being one of the most recent volcanic eruptions in Canda.

Introduction:

The Wells Gray-Clearwater cinder cones are early Pleistocene-to-Holocene age. Pleistocene deposits include plateau-capping lava flows, subglacial mounds and tuyas, and hyaloclastites. Buck Hill Cone was erupted during the latest Pleistocene during the waning stages of the Fraser glaciation. Holocene eruptions took place in the Spanish Creek, Ray Lake and Kostal Lake areas, forming cinder cones and producing lava flows that traveled up to 14 km. A lava flow from Dragon cone is radiocarbon dated at about 7600 years ago, and flows from Flourmill, Kostal, and Spanish Lake Cones rest on glaciated bedrock without an intervening paleosol, suggesting an early Holocene age.
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Source: GVP information

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