Description and chemical composition of manganese nodules collected during Hakuho Maru Cruise KH-72-2, Oct-Dec, 1972 in the Southwest Japan Arc and Ryukyu Arc areas

The cores and dredges described in this report were taken on the KH-72-2 Expedition in October-December, 1972 by the Ocean Research Institute, University of Tokyo from the R/V Hakuho Maru. A total of 21 cores and dredge sites have been recovered.

本报告所述的岩心与拖网采样样品，采集于1972年10月至12月执行的KH-72-2科考航次，由东京大学海洋研究所（Ocean Research Institute, University of Tokyo）搭乘“白凤丸”号（R/V Hakuho Maru）科考船完成。本次航次共计回收21个岩心及拖网采样站位的样品。