Permanent Guide

I’m getting a bit carried away with the July Accretionary Wedge on geologic and geographic signs. When visiting tourist attractions, I take photographs of the signs to identify where the subsequent photos are from, and to capture the popularly-accepted geologic story.

Hallet Cove Conservation Park near Adelaide, South Australia, instantaneously thrilled me by including a pictograph for “Geologic Interest” on the entry sign to the park. Along the paths and lookouts, a series of well-illustrated signs gave details on flora, fauna, and geologic history to help visitors see the settling through different eyes. As it was my first time exploring somewhere that I hadn’t done any geologic research about prior to the trip, I was totally delighted to find a sign confirming my interpretation of glacial scour and polishing of an exposure.

Frank Slide is a big deal in landslide research and in Canadian history. Turtle Mountain collapsed on a coal mining operation; although a group of on-duty miners survived in the tunnels and dug their way out, the landslide destroyed a huge chunk of the town. The rebuilt Frank relocated a bit farther away from the mountain, and the highway has been rerouted away from most of the projected hazard zone. Even so, Turtle Mountain is the most-studied unstable slope in Canada (as far as I know), with ongoing research and monitoring projects speckling the slopes.

Waterton Lakes National Park in Alberta has all sorts of beautiful geology. What the Red Rock Canyon sign lacks in detail, it makes up for in poetic imagery.

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