by The American Geosciences Institute Friday, January 26, 2018
The color photo was taken from atop this mountain, while the black and white photo was taken beneath a gondola that ascends to its summit, from which a short hike will take you to a historic weather station and the site of a former station built to celebrate the 1957–1958 International Geophysical Year.
The northwest-trending mountain range in this national park rises above the Mesozoic rocks of the valley floor to elevations of more than 3,600 meters. The peaks consist of older Paleozoic rocks emplaced along thrust faults lying on the eastern side of the range. Pleistocene glaciation left behind numerous glacial features, including cirques and hanging valleys, but the jagged peaks remained above the ice.
The mountain towers over a river valley and town that shares a name with the national park. The river that flows through the valley ultimately delivers water into Hudson Bay.
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Answer: Sulphur Mountain in Banff National Park, Alberta, Canada, hosts a historic weather station and is the site of a former station built to celebrate the 1957–1958 International Geophysical Year. Photos by Cassidy Gallant (color) and Manfred Hauben (b/w).
February 2018 Winners: Jason Droboth (Calgary, Alberta, Canada) David Goldak (Wichita, Kan.) Morgan Haldeman (West Kingston, R.I.) Abraham J. Padilla (Vienna, Va.) Charles Shobe (Louisville, Colo.)
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