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Stevensburg

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Sediment-hosted stratabound copper (Reduced-facies) prospect in Virginia, United States

Names and other identifiers

GMRAP ID 10673
Tract name SA18 - Southern Appalachian Mountains (003rfCu3004)
Site status prospect

Geographic location

Country United States
State or province Virginia
Geographic location -77.915556, 38.438889
Geologic map unit -77.915556, 38.438889
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Geologic information

Deposit type Sediment-hosted stratabound copper
Deposit subtype Reduced-facies
Age (Ma) 228Ma
Minerals sphalerite, chalcopyrite, bornite

Commodity and development information

Major commodities Cu

Reference information

Comments Mineralized beds contain approximately 2000–5000 ppm copper and zinc. Sulfide mineralization replaces early pyrite, which is associated with organic material and root fabrics in siltstones.
References Smoot and Robinson (1988); Robinson and Sears (1992)
Site reference Ludington and Cox (1996)
Smoot, J.P., and Robinson, G.R., Jr., 1988, Sedimentology of stratabound base-metal occurrences in the Newark Supergroup, in Froelich, A.J., and Robinson, G.P., Jr., Studies of the early Mesozoic basins of the eastern United States: U.S. Geological Survey Bulletin 1776, p. 356–376.
Robinson, G.R., Jr., and Sears, C.M., 1992, Inventory of metal mines and occurrences associated with the early Mesozoic basins of the eastern United States, II Occurrence Descriptions and Summary Tables: U.S. Geological Survey Open File Report 92-448, 190 p.