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Geology of Mesa Verde National Park and Depositional Systems
Рет қаралды 1,917
4 жыл бұрынLearn about the sedimentary rocks that make up Mesa Verde National Park including their depositional environment and why they accumulated there in the first place.
@alexanderstrauch5531 8 күн бұрын
Just discovered your channel hopefully you can do more national park geography
@melissalloyd1301 3 жыл бұрын
Thanks so much for sharing your videos. I really enjoy them. Best wishes ⭐️🌈
@evilcam 3 жыл бұрын
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@letsgoracing4849 2 жыл бұрын
how do we differentiate that the cliff house formation was actually deposited as marine near shore strata and isn't an aeolian sea?
@jaychapman4898 2 жыл бұрын
Great question! Geologists can use sedimentary structures and other features to help distinguish depositional environment. For example, aeolian (i.e., wind-blown) sand grains are generally frosted and the angle and magnitude of cross-bedding in sand dunes is much larger than in nearshore systems. Sometimes there are fossils that can with an interpretation. Aeolian rocks also often preserve inverse graded beds (coarsening-upward) that represents air-supported grain flows down the face of a sand dune, which you don't find in nearshore rocks.
Shawn Willsey
Рет қаралды 121 М.