Gasconade Formation Explained

Gasconade Formation
Type:	Formation
Age:	Ordovician
Period:	Ordovician
Prilithology:	Dolomite
Otherlithology:	Sandstone
Region:	Missouri
Coordinates:	38.2°N -91.1°W
Subunits:	Basal Gunter Sandstone member
Underlies:	Roubidoux Formation
Overlies:	Eminence Formation Cambrian (unconformable)^[1]

The Gasconade Formation is a geologic formation in the Ozarks of Missouri. It preserves fossils dating back to the Ordovician Period.

Paleofauna

Monoplacophora

• Kirengella

K. expansus^[2]

• Titanoplina

T. meramecensis^[2]

See also

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

Notes and References

1. http://www.dnr.mo.gov/geology/geosrv/ogc/docs/RI-073.pdf Thompson, Thomas L., 2001, Lexicon of Stratigraphic Nomenclature in Missouri, Missouri Department of Natural Resources, Division of Geology and Land Survey, Report of Investigation Number 73, p 112
2. Stinchcomb . Bruce . Angeli . Nicholas . New Cambrian and Lower Ordovician monoplacophorans form the Ozark Uplift, Missouri . Journal of Paleontology . 2002 . 76 . 6 . 965-974.