Rosarito Beach Formation

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article does not cite any sources containing significant coverage. Please help improve this article by adding citations to sources containing significant coverage. Articles without significant coverage do not demonstrate notability and may be deleted. Find sources: "Rosarito Beach Formation" – news · newspapers · books · scholar · JSTOR (April 2025) (Learn how and when to remove this message) This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "Rosarito Beach Formation" – news · newspapers · books · scholar · JSTOR (April 2025) This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. Please help improve this article by introducing more precise citations. (April 2025) (Learn how and when to remove this message) (Learn how and when to remove this message)

The Rosarito Beach Formation is a geological formation in the Playas de Rosarito Municipality of Baja California state, northwestern Mexico.

It preserves fossils dating back to the Neogene period.

• Neogene Mexico
• List of fossiliferous stratigraphic units in Mexico

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.