Projects
North America
Column groups
Macrostrat
Midcontinent
7
Map settings
View on map
Columns
28
Packages
279
Units
1,400
Age
3,686.2–0
Ma
(
3.69
Gyr
)
Area
675,766
km²
Max thickness
28,354
m
Lithologies
11
Environments
9
Economics
6
siliciclastic
carbonate
evaporite
organic
chemical
plutonic
volcanic
metamorphic
metasedimentary
igneous
metaigneous
Fossils
Collections
3,127
Prevalent taxa
via
PaleoBioDB
Brachiopoda
Mollusca
Mammalia
Stenolaemata
Echinodermata
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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