Projects
North America
Column groups
Macrostrat
Midwestern Basins and Arches
6
Map settings
View on map
Columns
29
Packages
368
Units
1,933
Age
2,800–0
Ma
(
2.8
Gyr
)
Area
580,221
km²
Max thickness
8,559
m
Lithologies
9
Environments
9
Economics
4
siliciclastic
carbonate
evaporite
organic
chemical
plutonic
volcanic
metamorphic
metasedimentary
Fossils
Collections
3,014
Prevalent taxa
via
PaleoBioDB
Brachiopoda
Mollusca
Stenolaemata
Trilobita
Crinoidea
References
2
Paleobiology Database. 2015.
Childs, O.E. Correlation of stratigraphic units of North America; COSUNA. AAPG Bulletin 69:173-180. 1985.
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