Chemical analysis of various layers forming a ferromanganese crust retrieved ...
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During Valdivia cruise VA 13/2 dredging brought exceptionnally thick Mn crusts on top of basalt. One of these deposits is 22 cm thick and consists of three main zones and...
在瓦尔迪维亚号科考航次VA 13/2中，拖网采样获取了覆于玄武岩之上、厚度异常可观的锰结壳（Mn crusts）。其中一处矿体厚度达22厘米，由三个主要层带构成且……
