The Paleozoic sedimentary record across the North American craton has been divided into unconformity-bounded cratonic sequences with names such as Sauk, Tippecanoe, Kaskaskia, and Absaroka. Each sequence documents what sort of events?
A. orogeny followed by deposition of a clastic wedge
B. evolution followed by extinction
C. opening and closing of an ocean basin
D. volcanic eruption and ash fall
E. transgression followed by regression
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The Paleozoic sedimentary record across the North American craton has been divided into unconformity...
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