TY - RPRT TI - Deformation, geochemistry, and origin of massive sulfide deposits, Gossan lead district, Virginia AU - J. E. Gair AU - J. F. Slack PY - 1984 DO - 10.2113/gsecongeo.79.7.1483 UR - https://pubs.usgs.gov/publication/70013341 ID - 70013341 ER -