Onyx Marble

The Onyx Marble is a geologic formation in Arizona. It preserves fossils dating back to the Neogene period.

Onyx Marble
Stratigraphic range: Neogene
TypeFormation
Location
RegionArizona
CountryUnited States

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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