Observation and measurements on Mn nodules from cruise RC15@en

The cores and dredges described in this report were taken during the RC15 Expedition from October 1971 until July 1972 by the Lamont Geological Observatory, Columbia University from the R/V Robert D. Conrad. An approximate total of 400 cores, dredges and camera stations were recovered and are available at Lamont-Doherty Earth Observatory for sampling and study.本报告所载的岩芯、挖泥采样样品及摄像站位资料，采集于1971年10月至1972年7月的RC15航次（RC15 Expedition），由哥伦比亚大学拉蒙特地质观测站（Lamont Geological Observatory）通过“罗伯特·D·康拉德号”（R/V Robert D. Conrad）研究船获取。本次共回收约400份岩芯、挖泥采样样品及摄像站位资料，所有样品与资料均保存于拉蒙特-多尔蒂地球观测站（Lamont-Doherty Earth Observatory），可供后续采样与研究使用。