Mine detail: Grindstone Mine

Location:	Spotsylvania County, Virginia, United States, North America
Lat / long:	38.19449, -77.76553
dep_id:	10067648
mrds_id:	W000447
Commodity type:	metallic
Major mineral:	Gold
Trace mineral:	Silver, Sulfur-Pyrite, Lead, Zinc
Operation type:	Unknown
Production size:	Small ammount of material produced
Development status:	Past Producer
ore:	Chalcopyrite, Galena, Gold, Pyrite, Sphalerite
gangue:	Magnetite, Muscovite, Quartz
model:	273: Low-sulfide Au-quartz vein
Reporter:	Wright, Nancy A., Meintzer, Robert E. (Le Van, D.C.)
hrock_unit:	Chopawamsic Formation
hrock_type:	Schist
Structure:	Ne-Sw Trend, Columbia Syncline
tectonic:	Piedmont
References:	Deposit:: LUTTRELL, G.W., 1966, VA. MIN. RES. REPORT 7, P. 59. Deposit:: MCCASKEY, H D, 1911, GOLD, SILVER, COPPER, LEAD, AND ZINC IN THE EASTERN STATES IN 1910 (MINE PRODUCTION), IN MINERAL RESOURCES OF THE UNITED STATES, CALENDAR YEAR 1910, PT. 1, METALS: US GEOLOGICAL SURVEY, P 675-691. Deposit:: MCCASKEY, H D, 1912, GOLD, SILVER, COPPER, LEAD, AND ZINC IN THE EASTERN STATES IN 1911 (MINE PRODUCTION), IN MINERAL RESOURCES OF THE UNITED STATES, CALENDAR YEAR 1911, PT 1, METALS: US GEOLOGICAL SURVEY, P 873-888. Deposit:: SWEET, P C, 1980, GOLD IN VIRGINIA: VIRGINIA DIVISION OF MINERAL RESOURCES, PUBLICATION 19, 77 P Deposit:: 1905 DIREXPL POSSIBLE BEGINNING OF DEVELOPMENT. Deposit:: 1955 OTHER NEW JERSEY ZINC CO: LEASED PROPERTY. Deposit:: 1974 RECON VA DIV MIN RES: INSPECTED SITE.