Crowsnest Formation
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The Crowsnest Formation, also called the Crowsnest Volcanics, is a well-known outcroping of volcanic rock in southwestern Alberta, Canada. These volcanics were formed about 100 million years ago during the Cretaceous period and is estimated at 209 km3. It is essentially the eroded remnants of an alkaline volcanic center that was erupted in a fluvial environment. These volcanics are older than the Rocky Mountains and are the only evidence of volcanic activity in Alberta.[1]
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