Commodities
PrimaryZinc
SecondaryCopper
TertiaryLead, Sulfur-Pyrite
Commodity typeM
Deposit
Model184: Massive sulfide, kuroko
Deposit sizeS
WorkingsUnderground
Orebody formPOD/LENS
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Pyrrhotite, Sphalerite
GangueChlorite, Magnetite, Muscovite, Quartz
Geology
Host rockSchist · Chopawamsic Formation
StructureNe-Sw Trend, Columbia Syncline ; Reg.Trends: Northeast-Southwest, Local Faulting, With The Veins Localized Along The Fault Fissures. Foliation Of Country Rock Strikes N25 Deg E And Dips 60-70 Deg Se
Tectonic settingEugeosyncline (Piedmont)
AlterationLow(?) Grade Metamorphism
Economic & production
Development statusPast Producer
First production1909
Discovery year1909
Identification
Deposit ID10067649
MRDS IDW000448
Alternate namesValzinco-Mineral District
RegionNA
Data scoreB
Coordinates38.17616, -77.7972
References
BROWN, W H, 1953, STRUCTURAL FRAMEWORK AND MINERAL RESOURCES OF THE VIRGINIA PIEDMONT, IN MCGRAIN, P (ED), PROCEEDINGS OF THE SOUTHEASTERN MINERAL SYMPOSIUM, 1950: KENTUCKY GEOLOGICAL SURVEY SERIES 9, SPECIAL PUBLICATION 1, P 88-111, VIRGINIA GEOLOGICAL SURVEY REPRINT SERIES 16, 1954.GROSH, W.A., 1949, INVESTIGATION OF VALZINCO LEAD ZINC MINE, SPOTSYLVANIA COUNTY, VIRGINIA: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 4403, 7 P.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.POOLE, J.W., 1974, NOTES ON SOME ABANDONED COPPER, LEAD, AND ZINC MINES IN THE PIEDMONT OF VIRGINIA: VIRGINIA MINERALS, V.20, NO.2, P.10-16.MCKNIGHT, 1960, UNPUBLISHED REPORT.1909 DIREXPL BERTHA MINERAL CO: FIRST DEVELOPMENT}1943 DIREXPL U S B M AND PANAMINAS, INC: DRILLED 9 EXPLORATORY HOLS}1955 OTHER NEW JERSEY ZINC CO: CONDUCTED GEOCHEMICAL AND GEOPHYSICAL SURVEYSGROSCH (1949), POOLE (1974)