Columns
65
Packages
383
Units
889
Age
4,031–0 Ma
(4.03 Gyr)
Area
1,635,767 km²
Max thickness
24,902 m

Fossils

Collections
857

References

2
  • Paleobiology Database. 2015.
  • Douglas, R.J.W. Geology and economic minerals of Canada. Geological Survey of Canada Economic Geology Report No. 1. 1970.