Calverton

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

Names and other identifiers

GMRAP ID 10672
Tract name SA18 - Southern Appalachian Mountains (003rfCu3004)
Site status prospect

Geographic location

Country United States
State or province Virginia
Geographic location -77.6775, 38.652778
Geologic map unit -77.6775, 38.652778
Nearby data

Geologic information

Deposit type Sediment-hosted stratabound copper
Deposit subtype Reduced-facies
Age (Ma) 228Ma
Minerals wurtzite, pyrite, chalcopyrite?

Commodity and development information

Major commodities Zn, Cu

Reference information

Comments Semi-quantitative spectrographic analysis af average rock from mineralized location yields 6,200 ppm zinc. Wurtzite selectively replaces carbonate intraclasts and, locally, carbonate cement in the vicinity of tiny fractures in the limestone.
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.