Masset Formation

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Masset Formation
Stratigraphic range: OligoceneMiocene
Type Geological formation
Primary Calc-alkaline volcanic rocks
Country  Canada

The Masset Formation is a volcanic formation on Graham Island of the Haida Gwaii Islands 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[edit]


  1. ^ a b Wood, Charles A.; Kienle, Jürgen (2001). Volcanoes of North America: United States and Canada. Cambridge, England: Cambridge University Press. ISBN 978-0-521-43811-7. OCLC 27910629.