So they are fluvial Kwawu Fm, with overturned trough cross-bedding... and they are Proterozoic my friends. Just short of 1 Billion years old http://pic.twitter.com/3qDOZ5ozp6
— Deep Marine (@deepdeepmarine) April 19, 2017
via Twitter https://twitter.com/deepdeepmarine
April 20, 2017 at 03:16AM
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