Humbug Formation
Humbug Formation Stratigraphic range: Mississippian (Meramecian) | |
---|---|
Type | Formation |
Thickness | More than 2,100 feet (640 m) (Stansbury Island) |
Lithology | |
Primary | Dolomite |
Location | |
Coordinates | 40°12′N 111°42′W / 40.2°N 111.7°WCoordinates: 40°12′N 111°42′W / 40.2°N 111.7°W |
Approximate paleocoordinates | 3°06′S 46°54′W / 3.1°S 46.9°W |
Region | Utah |
Country | ![]() |
![]() ![]() Humbug Formation (the United States) |
The Humbug Formation is a geologic formation in Utah. It preserves fossils dating back to the Mississippian (Meramecian) of the Carboniferous period.
Description[]
The Humbug Formation includes intercalated limestones, orthoquartzitic sandstones, and dolomite. It is more than 2,100 feet (640 m) thick on Stansbury Island but thins to the east and south. There the formation averages about 600 feet (180 m) thick.[1]
Fossil content[]
The following fossils have been reported from the formation:[1]
- Bryozoans
- Fenestella acarinata
- F. crockfordae
- F. hamithensis
- F. rarinodosa
- F. serratula
- F. tooelensis
- F. trifurcata
- Hemitrypa reticulata
- Septopora sp.
See also[]
References[]
- ^ a b Humbug Formation at Fossilworks.org
Bibliography[]
- L. H. Burckle. 1960. Some Mississippian fenestrate bryozoa from central Utah. Journal of Paleontology 34(6):1077-1098
Categories:
- Carboniferous geology of Utah
- Carboniferous System of North America
- Viséan
- Dolomite formations
- Shallow marine deposits
- Carboniferous southern paleotropical deposits
- Paleontology in Utah