A Typical Upper Cretaceous Sequence of Formations (From Bottom to Top)

question 19

Multiple Choice

A typical Upper Cretaceous sequence of formations (from bottom to top) in the a depositional (transgressive-regressive) cycle of the North American Interior Seaway is

• A) Graneros Shale, Greenhorn Limestone, and Carlile Shale.
• B) Jurassic carbonates, evaporates, and siliciclasticssiliclastics, which are followed by Cretaceous deep-sea sediments.
• C) Maastrichtian chalk, coarse limestones, and siliciclasticssiliclastics.
• D) Morrison Formation, Dakota Group, and Mancos Shale.

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