Article · Wikipedia archive · Last revised Aug 13, 2026

Masset Formation

The Masset Formation is a volcanic formation on Graham Island of Haida Gwaii in British Columbia, Canada. It consists of calc-alkaline volcanic rocks related to subduction of the pre-existing Farallon Plate. The Masset Formation is part of the Pemberton Volcanic Belt.

Last revised
Aug 13, 2026
Read time
≈ 1 min
Length
90 w
Citations
2
Source
Wikipedia ↗
Masset Formation
Stratigraphic range: Oligocene–Miocene
TypeGeological formation
Lithology
PrimaryCalc-alkaline volcanic rocks
Location
Country Canada

The Masset Formation is a volcanic formation on Graham Island of Haida Gwaii in British Columbia, Canada. It consists of calc-alkaline volcanic rocks related to subduction of the pre-existing Farallon Plate.1 The Masset Formation is part of the Pemberton Volcanic Belt.1

See also

See also

References

References

  1. Wood, Charles A.; Kienle, Jürgen (1990). Volcanoes of North America: United States and Canada. Cambridge, England: Cambridge University Press. ISBN 0-521-43811-X.