This section uses citations that link to broken or outdated sources. Please improve the article by addressing link rot or discuss this issue on the talk page. (March 2024) (Learn how and when to remove this message)

The Elbrook Formation is a geologic formation in West Virginia, Maryland, and Pennsylvania. It dates back to the Cambrian period. Fossils of trilobite fragments have been discovered, but they are rare. The Elbrook Formation is not considered fossiliferous.

References

• Generalized Stratigraphic Chart for West Virginia^{[permanent dead link]}

This article about a specific stratigraphic formation in West Virginia is a stub. You can help Wikipedia by adding missing information.

• v
• t
• e

This article related to the Cambrian period is a stub. You can help Wikipedia by adding missing information.

• v
• t
• e