Columns
30
Packages
179
Units
1,066
Age
1,560–298.9 Ma
(1.26 Gyr)
Area
172,616 km²
Max thickness
30,810 m

References

2
  • Paleobiology Database. 2015.
  • Childs, O.E. Correlation of stratigraphic units of North America; COSUNA. AAPG Bulletin 69:173-180. 1985.