Mine detail: Folly Mine

Previously called 'Piedmont Copper MinesFolley MineBuffalo Ridge Prospects'

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Location

Lat / long:

37.56145, -78.96835

Resource(M)

Primary:	Copper
Ore:	Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Covellite, Malachite
Gangue:	Actinolite, Chalcedony, Chlorite, Olivine, Pyroxene, Quartz, Talc, Tremolite
Orebody form:	LENS/STRINGERS, IRREGULAR
Discovery year:	1775

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1775

Geology

Host rock:	Metaperidotite Dike;Lynchburg Formation
Host type:	Peridotite
Associated rock:	Metaperidotite Dike
Associated type:	Peridotite
Structure:	Ne-Sw Trend, Blue Ridge Anticlinorium, Espenshade (1954) Mapped A Major Reverse Fault To The East Between Lynchburg And Candler Formations., High Angle Faulting (?)
Tectonic:	Piedmont
Alteration processes:	Peridotite Altered To Soapstone

References

MRDS	W030838
DEP	10079969
Reference	{Deposit:: ESPENSHADE, G.H., 1954, GEOLOGY AND MINERAL DEPOSITS OF THE JAMES RIVER-ROANOKE RIVER MANGANESE DISTRICT, VIRGINIA: U.S. GEOLOGICAL SURVEY BULLETIN 1008, 155 P.}{Deposit:: FURCRON, A.S., 1935, JAMES RIVER IRON AND MARBLE BELT, VIRGINIA: VIRGINIA GEOLOGICAL SURVEY BULLETIN 39, 121 P.}{Deposit:: LUTTRELL, G.W., 1966, BASE-AND PRECIOUS-METAL AND RELATED ORE DEPOSITS OF VIRGINIA: VIRGINIA DIVISION OF MINERAL RESOURCES, MINERAL RESOURCES REPORT 7, 167 P.}{Deposit:: THE VIRGINIAS, 1880, COPPER: V. 1, NO. 12, P. 193.}{Deposit:: 1765 DIREXPL COL. CHISWELL: MINED DEPOSITS}{Deposit:: 1875 DIREXPL THOMAS DUNLAP: MINED DEPOSITS}{Deposit:: 1925 GEOLMAP VA. GEOL. SURV: AREA MAPPED}{Deposit:: 1940 GEOLMAP G.H. ESPENSHADE: BULLETIN 1008.}{Production:: THE VIRGINIAS (1880)}
Reporter	Meintzer, Robert E. (Le Van, D.C.)