Troublesome Formation

Troublesome Formation
Formation
Thickness	1000 ft or more
Location
Region	Colorado
Country	United States

The Troublesome Formation is a

. It consists of Pale shades of pink, tan, gray, green, and white interbedded siltstone and mudstone, less abundant arkosic sandstone and conglomerate, and sparse limestone and altered crystal-vitric ash and tuff; generally poorly consolidated. It includes atypical deposits containing abundant pink, granitic cobbles and boulders along the western parts of the outcrop in the west-central and southwestern parts of the Granby Quadrangle, Fossil mammals from three sites indicate a late Oligocene age (Kron, 1988).

See also

• List of fossiliferous stratigraphic units in Colorado
• Paleontology in Colorado

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
• David A. Schroeder. "United States Geologic Survey".