Naco Formation
The Naco Formation is a geologic formation in Arizona. It preserves fossils dating back to the Pennsylvanian subperiod.
| Naco Formation | |
|---|---|
| Stratigraphic range: Pennsylvanian | |
| Type | Formation |
| Lithology | |
| Primary | Limestone |
| Other | Shale, siltstone |
| Location | |
| Region | Arizona |
| Country | United States |
Fossils from the Kohls Ranch locality of Gila County, Arizona, include bivalve and gastropod molluscs, brachiopods, bryozoans, crinoids, cnidarians and chondrichthyan teeth.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.