- Vulcan's Thumb
Infobox Mountain
Name=Vulcan's Thumb
Photo=
Caption=
Elevation=2,290 metres (7,500 feet)
Location=British Columbia, Canada
Range=Pacific Ranges
Prominence =
Coordinates = coord|50|11|N|123|29|W|type:mountain_region:CA
Topographic
NTS 92J/03
Type=Stratovolcano
Age=Pleistocene
Last eruption=Pleistocene
First ascent= None
Easiest route=Vulcan's Thumb is a rotten
stratovolcano [http://gsc.nrcan.gc.ca/volcanoes/cat/volcano_e.php?id=gvb_vth_027 Catalogue of Canadian volcanoes: Vulcan's Thumb] Retrieved on2007-10-09 ] located directly on the southern ridge ofPyroclastic Peak . It is one of the five main volcanic peaks ofMount Cayley and remains unclimbed because of technical difficulties and its loose rock. Vulcan's Thumb is believed to have last erupted during thePleistocene period.The creation of Vulcan's Thumb consist of vent breccia, massive lava flows, and agglutinated breccia of
plagioclase ,hypersthene ,hornblende ,biotite , phyric dacite deposited as part of an edifice that raised upon the southwestern edge of the ancestral Mount Cayley.ee also
*
Cascade Volcanoes
*Garibaldi Volcanic Belt
*List of volcanoes in Canada
*Volcanism in Canada
*Mount Cayley References
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