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The Devastator Assemblage
The Devastator Assemblage is a geological formation comprising a portion of the Mount Meager massif in southwestern British Columbia, Canada. It is named after Devastator Peak (also known as The Devastator), the lowest and southernmost subsidiary peak of Meager. The south and west flanks of Pylon Peak and Devastator Peak are made of The Devastator Assemblage rocks.
This thick rock unit was formed during a period of volcanic activity between 1,900,000 and 500,000 years ago.〔 It consists of subvolcanic 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.〔
==See also==
*Job Assemblage
*Mosaic Assemblage
*Plinth Assemblage
*Capricorn Assemblage
*Pylon Assemblage
*Volcanism of Western Canada
*List of Cascade volcanoes
*List of volcanoes in Canada
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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