Commodities
PrimaryCopper
Commodity typeM
Materials
Ore mineralsChalcopyrite, Malachite
GangueChrysotile, Limonite, Magnetite, Pyrite, Serpentine
Geology
Host rockSerpentinite · Ultramafic Rocks;Schist
StructureReg.Trends: Northeast-Southwest
Tectonic settingPiedmont
AlterationSerpentinite Grades Into Strongly Foliated Soapstone To The East And West.
Economic & production
Development statusOccurrence
Production years1880
Discovery year1863
Identification
Deposit ID10067556
MRDS IDW000340
RegionNA
Data scoreB
Coordinates38.98447, -77.32718
References
CANNON, R. S., UNPUBLISHED FIELD NOTES ON CU DEPOSITS IN NORTH HALF FAIRFAX, VA. QUAD., 1947.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.TYSON, P.T., 1862, SECOND REPORT OF THE STATE AGRICULTURAL CHEMIST TO THE HOUSE OF DELEGATES OF MARYLAND, JANUARY 1862: ANNAPOLIS, SCHLEY AND COLE, P. 65-66.DRAKE, A.A., JR., AND FROELICH, A.J., 1977, BEDROCK MAP OF FAIRFAX COUNTY, VIRGINIA: U.S. GEOLOGICAL SURVEY OPEN FILE MAP 77-523, 1 SHEET, SCALE 1:48 000.1947 RECON R.S. CANNON: INSPECTED SITEDIREXPL SHAFT SUNK AND EXPLORATORY PITS DUG.