Masset Formation

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. The Masset Formation is part of the Pemberton Volcanic Belt.

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