1972•Unpublished venueRequires access
Mesozoic and Tertiary volcanism of the western Canadian Cordillera
André Beaudoin, Ronald J. Hall, Guillermo Castilla, Michelle Filiatrault, Philippe Villemaire, Rob Skakun, Luc Guindon
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Abstract
No Mesozoic or Tertiary rocks with the characteristics of oceanic crust are known in the Canadian Cordillera. The early Mesozoic was dominated by the successive formation and erosion of island arcs situated near the continent, whereas volcanism during the late Mesozoic and Tertiary was entirely continental Spatial and temporal changes in the style of volcanism and the composition of lavas is believed to reflect changes in the interaction between Pacific crust and the continental margin.