Columns
30
Packages
175
Units
508
Age
1,192.527–0 Ma
(1.19 Gyr)
Area
766,002 km²
Max thickness
16,222 m

Fossils

Collections
497

References

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