Crowsnest Formation, Volcanic rock formation in southwestern Alberta, Canada
The Crowsnest Formation extends across 1,800 square kilometers along the Front Ranges of the southern Canadian Rockies, reaching heights of 488 meters.
The formation emerged through explosive volcanic eruptions during the Albian stage of the Early Cretaceous period, approximately 100 million years ago.
Geologists and researchers regularly visit the formation to study its rare mineral composition, including melanite, analcime, and the uncommon blairmorite.
Visitors can examine the volcanic structures along Highway 3 near Coleman, with guided tours available at Bellevue Mine from May through August.
The formation contains specific crystal combinations and rock types found in only one other location worldwide, in Mozambique.
Location: Alberta
Made from material: volcanic rock
GPS coordinates: 49.64750,-114.53000
Latest update: March 19, 2025 22:15
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Coleman Legion Hall
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