TY - RPRT TI - Genesis of massive sulfide deposits on a sediment-covered spreading center, Escanaba Trough, southern Gorda Ridge AU - Robert A. Zierenberg AU - Randolph A. Koski AU - Janet L. Morton AU - Robin M. Bouse AU - Wayne C. Shanks PY - 1993 DO - 10.2113/gsecongeo.88.8.2069 UR - https://pubs.usgs.gov/publication/70243413 ID - 70243413 ER -