Knox Group

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Knox Group Stratigraphic range: Late Cambrian - Early Ordovician
Sphalerite from the Knox Group, Tennessee
Type	Group
Underlies	and Wells Creek Formation
Overlies	Conasauga Group
Lithology
Primary	dolomite
Other	Limestone
Location
Region	Alabama and West Virginia
Country	United States
Type section
Named for	Knox County, Tennessee

The Knox Group is a widespread geologic group in the Southeastern United States. Though not commonly fossiliferous, it preserves fossils dating back to the Cambrian period. Typical lithologies include thick-bedded cherty dolomites and limestones. Associated minerals include barite, fluorite, lead, and most importantly zinc in the form of the mineral sphalerite. Oil and gas also occur in the Knox Group beneath the Appalachian Plateaus.

See also[]

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

References[]

• Knox on Fossilworks

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