TY - RPRT TI - Controls on ferromanganese crust composition and reconnaissance resource potential, Ninetyeast Ridge, Indian Ocean AU - James R. Hein AU - Tracey A. Conrad AU - Kira Mizell AU - Virupaxa K. Banakar AU - Frederick A. Frey AU - William W. Sager PY - 2016 DO - 10.1016/j.dsr.2015.11.006 UR - https://pubs.usgs.gov/publication/70168673 ID - 70168673 ER -