|Eastern Mojave Vegetation||Haddington Island, British Columbia, Canada.|
See also: Broughton Strait.
Haddington Island is a member in the chain of eroded volcanoes that run from Brooks Peninsula northeastward across Vancouver Island to Port McNeill, called the Alert Bay Volcanic Belt. The existence of felsite and andesite at Haddington Island suggests it might have formed 3.7 million years ago as the Juan de Fuca and Explorer Plate to its west subducted under the North American Plate at the Cascadia subduction zone.
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Date and time this article was prepared:3:19:24 PM, 1/17/2022.