Mine detail: United States Mine

Previously called 'Welford Mine'

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Location

Lat / long: 38.35698, -77.62109

Resource(M)

Primary: Gold
Tertiary: Zinc, Lead, Copper, Tungsten, Vanadium, Sulfur-Pyrite
Ore: Chalcopyrite, Galena, Gold, Marcasite, Pyrite, Sphalerite, Vanadinite, Wulfenite
Gangue: Ankerite, Chlorite, Quartz, Sericite
Orebody form: LENSES AND STRINGERS
Discovery year: 1835

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1835

Geology

Host rock:Fredricksburg Complex
Host type:Diorite,Amphibole Schist,Rhyolite
Associated rock:Fredricksburg Complex
Associated type:Diorite,Rhyolite
Structure:Ne-Sw Trend, Columbia Syncline ; Reg.Trends: Northeast-Southwest.
Tectonic:Piedmont
Alteration processes:In Some Areas The Diorite Is Altered To Saprolite

References

MRDSW000430
DEP10067635
Reference{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:: MAURY, M F, 1837, NOTICE OF THE GOLD VEINS OF THE UNITED STATE*MINE, NEAR FREDERICKSBURG, VA: AMERICAN JOURNAL OF SCIENCE, V 32, NO 1, P 325-330}{Deposit:: PARDEE, J T AND PARK, C F, JR, 1948, GOLD DEPOSITS OF THE SOUTHERN PIEDMONT: U S GEOLOGICAL SURVEY PROFESSIONAL PAPER 213, 156 P}{Deposit:: SWEET, P C, 1980, GOLD IN VIRGINIA: VIRGINIA DIVISION OF MINERAL RESOURCES, PUBLICATION 19, 77 P}{Deposit:: CREDNER, H., 1868, REPORT OF EXPLORATIONS ON THE GOLD FIELDS OF VIRGINIA AND NORTH CAROLINA: AMER. JOUR? MNG., VOL. VI, P. 393.}{Deposit:: LONSDALE, J.T., 1927, GEOLOGY OF THE GOLD-PYRITE BELT OF THE NORTHEASTERN PIEDMONT, VIRGINIA: VGS BULL 30, 110 P.}{Deposit:: PARK, C.F., JR., 1936, PRELIMINARY REPORT ON GOLD DEPOSITS OF THE VIRGINIA PIEDMONT: VGS BULL 44, 42 P.}{Deposit:: WATSON, T.L., 1907, GOLD AND SILVER, IN MINERAL RESOURCES OF VIRGINIA: LYNCHBURG, VIRGINIA, J.P. BELL CO., P. 549-567.}{Deposit:: SILLIMAN, B., 1837, REMARKS ON THE GOLD MINES AND ON PARTS OF THE GOLD REGION OF VIRGINIA: AMER. JOUR. SCI. AND ARTS, VOL. 32, P. 98-130.}{Deposit:: 1835 DIREXPL US MINING CO: CONDUCTED INITIAL DEVELOPMENT AND PRODUCTION.}{Deposit:: 1865 DIREXPL MILL ERECTED, SHAFT DEEPENED.}{Deposit:: 1934 DIREXPL NORTH AMERICAN MINING CO: PROSPECTED WORKINGS, NO NEW DEVELOPMENTS.}{Production:: LUTTRELL REF.}
ReporterWright, Nancy A., Meintzer, Robert E. (Le Van, D.C.)