Mathews Tuya

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	This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources.Find sources: "Mathews Tuya" – news · newspapers · books · scholar · JSTOR (December 2010)

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Mathews Tuya
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Interactive map of Mathews Tuya
1,775 m (5,823 ft)
.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}59°11′43″N 130°25′58″W / 59.19528°N 130.43278°W / 59.19528; -130.43278
British Columbia, Canada
Cassiar Land District
Tuya Range
Pleistocene
Subglacial mound
Tuya volcanic field
Pleistocene

Mathews Tuya is a tuya in northcentral British Columbia. It is one of the six tuyas close to Tuya Lake. It has been partly glaciated and Ar-Ar geochronology shows that is it about 730,000 years old. It mainly comprises palagonitized tephra (tuff, lapilli tuff, tuff breccia) but also has a few dykes and jointed lava flows on its flanks. The top still has flat-lying lava flows erupted after the tephra pile grew above the surface of the enclosing lake. The other volcanoes in the area include Tuya Butte, South Tuya and Ash Mountain. The volcanoes in the region form part of the Northern Cordilleran Volcanic Province.

• List of volcanoes in Canada
• List of Northern Cordilleran volcanoes
• Volcanism of Canada
• Volcanism of Western Canada

Edwards, B. R., Russell, J. K. and Simpson, K. 2011. Volcanology and petrology of Mathews Tuya, northern British Columbia: glaciovolcanic constraints on interpretations of the 0.730 Ma Cordilleran paleoclimate. Bulletin of Volcanology. 73:479-496. DOI 10.1007/s00445-010-0418-z

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