TY - RPRT TI - Geologic setting of massive sulfide deposits and hydrothermal vents along the southern Juan de Fuca Ridge AU - W. R. Normark AU - J. L. Morton AU - J.R. Delaney PY - 1982 DO - 10.3133/ofr82200a UR - https://pubs.usgs.gov/publication/ofr82200A ID - ofr82200A ER -