Description
P. Hanshaw And J. Owens
Commodities
PrimaryCopper
SecondarySilver
Commodity typeM
Deposit
Deposit sizeN
Orebody formLINEAR
Ore controlBedding Planes, Joints, Fractures
Materials
Ore mineralsMalachite
GangueBarite, Pyrite
Geology
Host rockSandstone · Diabase;Manassas Sandstone, Newark Group
Associated rockDiabase · Diabase
StructureNe-Sw Trend, Culpeper Triassic Basin ; Reg.Trends: Northeast-Southwest, Some Faults Cut Across The Diabase Near Chantilly According To The State Map. Drake And Froelich (1977) Indicate Several Faults In The Vicinity Of Chantilly.
Tectonic settingBasin, Piedmont
Economic & production
Development statusOccurrence
Discovery year1968
Identification
Deposit ID10067559
MRDS IDW000343
RegionNA
Data scoreB
Coordinates38.88364, -77.41552
References
D'AGOSTINO, J.P. AND HANSHAW, P.M., 1970, MALACHITE- AND SPECULARITE-BEARING TRIASSIC SANDSTONE LOCALITIES NEAR CHANTILLY, VIRGINIA: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 700-C, P. C103-C106.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 1:48 000.1968 GEOPHYS U.S.G.S. - X-RAY ANALYSES GAVE PERCENTS OF CD'AGOSTINO AND HANSHAW REFERENCE