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The vertical succession of sandstone, shale, and limestone from the bottom of a rock column to the top, such as that found in Cambrian rocks of the Grand Canyon, is indicative of a(n) ________ .

Respuesta :

Answer:

transgression

Explanation:

In this case we will have deeper sea sediments (shales and limestones) being deposited on top of continentally-derived beach sediments (sand). This forms a sequence (from bottom to top) of: sand to shale to limestone. This is an indication of marine transgression

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