Hermosa Group

The Hermosa Group is a group of geologic formations in Utah and Colorado. It preserves fossils dating back to the Carboniferous period.

Hermosa Group
Stratigraphic range: Carboniferous
Hermosa Formation near its type section, Hermosa, Colorado, US
TypeGroup
Sub-unitsHonaker Trail Formation
Paradox Formation
Pinkerton Trail Formation
UnderliesCutler Group
OverliesMolas Formation
Lithology
Primarymudstone
Othershale, limestone
Location
Coordinates37.431°N 107.837°W / 37.431; -107.837
RegionUtah
CountryUnited States
Type section
Named forHermosa Creek
Named byCross and Spencer
Year defined1899
Hermosa Formation exposed in a roadcut near Rico, Colorado.

See also

References

  • "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.


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