Chert from


USA
North Carolina Cherokee County Murphy Marble Belt ⓘ Hayes-Hoblitzell Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Valley River Belt ⓘ Heaton & Russell mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Savage Brothers Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Southern Iron Mining Company Mine (Lena Walker Iron Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Madison County Mars Hill ⓘ Carter Mine	Genth,F.A (1891) The Minerals Of North Carolina:USGS Bulletion No.74
Tennessee Blount County ⓘ Big Flag Springs Iron Mine (Mint Iron Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Carpenter Bank	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Kerr Iron Mine (Kerr Bank)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Tuckaleechee Cove ⓘ Townsend prospect	Stose,G.W., and Schrader,F.C.,(1923) Manganese Deposits Of East Tennessee: USGS Bulletin 737
ⓘ Unnamed Iron-Manganese Prospect (MRDS - 10025775)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Cocke County Del Rio Mining District ⓘ Adams Mine (Adams/Blanchard/Waddell)	Stose,G.W., and Schrader,F.C.,(1923) Manganese Deposits Of East Tennessee: USGS Bulletin 737
Sevier County ⓘ Little Mountain Barite-Zinc Prospect (Fairgarden Prospect)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.