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.
Cascade calderas- I’m interviewed by Nick Zentner on YouTube.
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Nick Zentner picked my brain on February 18 about calderas in the Cascades.
He posted the video here. It was a lot of fun. I talked about the Hannegan
and ...
16 hours ago
2 comments:
Very cool! Where is this located?
The site is on the south shore of Decatur Island
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