| Onyx Marble | |
|---|---|
| Stratigraphic range: Neogene | |
| Type | Formation | 
| Location | |
| Region | Arizona | 
| Country | United States | 
The Onyx Marble is a geologic formation in Arizona. It preserves fossils dating back to the Neogene period.
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
- Onyx stone comprises different minerals, including quartz, feldspar, and agate.
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