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Where on Google Earth are we?
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Arrows point to stream deposits from roughly 20 million years ago. Obsolete names date from the late 1800s.
Stream deposits cap a ridge (inverted topography); Devils Smoke House and Gabriels Castle behind. Note spectacular unconformity.
The trail on the ridge crest passes through stream deposits turned to rock and photogenically eroded.
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Layers of sand, pebbles, cobbles record changes from about 20 million years ago. |
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Cemented layer, above siltstone nodules in fine matrix, above unconformity; cross-bedding near top of photo.
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Mostly siltstone nodules.
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Crystalline clasts from the Rocky Mountains.
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I found many puzzling weathered forms in cemented sand. Here are a few:
No, I don't recognize the place, but it looks fascinating. So, you don't have any snow yet, either? El Nino is making it feel like springtime around here. I can't believe Christmas is less than two weeks away! Happy Holidays!
ReplyDeleteHappy Holidays to you too, PP. This was a tough one, answer below.
DeleteI have no idea where this is. Somewhere in central Wyoming, perhaps?
ReplyDeleteNina, this was harder than I thought it would be. Answer below.
DeleteTough challenge apparently, only one person came close (mike n). It's Pawnee Buttes area in northeast Colorado. More to follow.
ReplyDelete