Great unconformity, Grand Canyon (vertical)April 30, 2017/0 Comments/in Grand Canyon, Unconformities/by Marli Miller Colorado River, erosion, incision https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png Marli Miller2017-04-30 20:29:522019-02-19 00:50:51Great unconformity, Grand Canyon (vertical)
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