Annotated record of the detailed examination of Mn deposits from VEMA 12 Expe...
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The cores and dredges described in this report were taken during the VEMA 12 Expedition from December 1956 until August 1957 by the Lamont Geological Observatory, Columbia...
本报告所述的岩芯与挖泥采样样品，均由哥伦比亚大学拉蒙特地质观测站（Lamont Geological Observatory）于1956年12月至1957年8月期间开展的VEMA 12号科考航次中采集所得……
