Glacial striations are always a pleasure to see. They are a reminder of the past. I came across an excellent fresh exposure where even the finest scratches in the bedrock were readily apparent. The site was along a shoreline. Periodic high waves have been removing the glacial drift that is covering the glacial striated bedrock exposing very unweathered striatations etched into the metamorphosed basalt.
Colorado River Basin – new report from my colleagues on the implications of
running on empty
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I’ve been on a “Colorado River sabbatical” of late, but I took a peek last
week at Reclamation’s latest 24-month study. Holy moly things have gotten
bad ...
2 days ago

2 comments:
Very cool! Where is this located?
The site is on the south shore of Decatur Island
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