Columns
31
Packages
146
Units
411
Age
4,031–0 Ma
(4.03 Gyr)
Area
168,513 km²
Max thickness
33,970 m

Fossils

Collections
1,334

References

3
  • Paleobiology Database. 2015.
  • Childs, O.E. Correlation of stratigraphic units of North America; COSUNA. AAPG Bulletin 69:173-180. 1985.
  • Dorsey, R. Stratigraphy, Tectonics, and basin evolution in the Anza-Borrego Desert region. 2005.