The Cambrian in Maryland, US |
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Paleontology and geologyDuring the Cambrian, Maryland lay much closer to the equator than it does today. A shallow sea rose to cover the state, and sediments eroding off the land formed a sandy sea floor inhabited by trilobites, brachiopods, and other marine organisms. Limy sediments accumulated father offshore. Some of these rocks, visible in the Chesapeake & Ohio Canal National Historical Park in western Maryland, contain fossils of trilobites and conodonts. |
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