Surface of the Earth preserved in the rock from 430 million years ago, ripple marks in the mud of an ancient estuary #marloessands Deep time makes everyday arguments seem a little trivial doesn’t it? pic.twitter.com/HJPS0WA5BH Surface of the Earth preserved in the rock from 430 million years ago, ripple marks in the mud of an ancient estuary #marloessands Deep time makes everyday arguments seem a little trivial doesn’t it? pic.twitter.com/HJPS0WA5BH
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