Naco Formation

Naco Formation
Stratigraphic range: Pennsylvanian
Type Formation
Lithology
Primary Limestone
Other Shale, siltstone
Location
Region Arizona
Country United States

The Naco Formation is a geologic formation in Arizona. It preserves fossils dating back to the Pennsylvanian subperiod.

Fossils from the Kohls Ranch locality of Gila County, Arizona, include bivalve and gastropod molluscs, brachiopods, bryozoans, crinoids, cnidarians and sharks teeth.[1][2]

See also

References

  1. Guide to Fossils of the Naco Formation, Kohl Ranch Area, Arizona, Arizona State
  2. Brew, D. C. and S. Beus, 1976, A Middle Pennsylvanian Fauna from the Naco Formation near Kohl Ranch, Central Arizona. Journal of Paleontology, v. 50: pp. 888-906


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