The Devastator Assemblage
The Devastator Assemblage is a
Pylon Peak and Devastator Peak are made of The Devastator Assemblage rocks.[1]
This 500 m (1,600 ft) thick rock unit was formed during a period of volcanic activity between 1,900,000 and 500,000 years ago.intrusions of a partly preserved volcanic vent and felsic volcanic rocks that were erupted from the vent. The eastern portion of The Devastator Assemblage comprises the partly preserved vent and felsic volcanic rocks while the western portion consists of crudely layered tephra.[1]
See also
- Capricorn Assemblage
- Job Assemblage
- List of Cascade volcanoes
- List of volcanoes in Canada
- Mosaic Assemblage
- Plinth Assemblage
- Pylon Assemblage
- Volcanology of Western Canada
References
- ^ ISSN 1911-4850.
- ISBN 978-0-8137-0009-0.
- ISBN 0-521-43811-X.