Hermosa Group

Hermosa Group
Hermosa Group
Stratigraphic range: Carboniferous
	Hermosa Formation near its type section, Hermosa, Colorado, US
Type	Group
Sub-units	Honaker Trail Formation; Paradox Formation; Pinkerton Trail Formation
Underlies	Cutler Group
Overlies	Molas Formation
Lithology
Primary	mudstone
Other	shale, limestone
Location
Coordinates	37°25′52″N 107°50′13″W / 37.431°N 107.837°W
Region	Utah
Country	United States
Type section
Named for	Hermosa Creek
Named by	Cross and Spencer
Year defined	1899

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