Composition of hydrothermal manganese oxide deposits from Galapagos mounds, D...
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During DSDP Leg 70, a 1.60 m thick manganese oxide layer was sampled in hole 509B. This deposit is formed of alternating layers of hard plates of pure todorokite, about 2 mm...
在深海钻探计划（Deep Sea Drilling Project, DSDP）第70航次期间，研究者于509B钻孔内采集到一层厚度达1.60米的氧化锰层。该沉积体由厚度约2毫米的纯钡镁锰矿（todorokite）硬质板状薄层互层构成……
