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You are browsing the archive for 2013 December 11.

11 December 2013

Stromatolites along the trail to Crypt Lake

On the trail up to Crypt Lake in Waterton Lakes National Park (southernmost Alberta, Canada), there’s a ‘traditional’ hiking trail, and then an intense ledge on a glacial headwall that you must teeter along, including scaling your body up into and through a person-sized tunnel! Right at the transition between the two “phases” of the hike are some boulders of Mesoproterozoic Belt limestones (Helena/Siyeh Formation??) bearing many, many, many stromatolites. …

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