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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

Blog post recommendation

The Abandoned Lands...A Journey Through the Colorado Plateau: And not a single sentient being ever laid eyes on the mountains

What an incredible story can by told by rocks that are not there! Seriously, the Grand Canyon is full of rocks, but some of the most important parts of the geological story emerge when we realize just how much rock is missing. In the picture above, erosion has scooped out a small alcove on the right side. The rocks forming the roof of the alcove are crossbedded sandstones that formed on a

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