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Keywords: northern mariana area
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Proceedings Papers

Paper presented at the Third ISOPE Ocean Mining Symposium, November 8–10, 1999
Paper Number: ISOPE-M-99-008
... and the result of core boring at the maximum depth of1986m in Northern Mariana Area. Introduction Since 1975, Metal Mining Agency Japan (MMAJ) has performed the survey of submarine mineral resources; manganese nodule(1975-), seafloor hydrothermal deposit(1985-) and cobaltrich manganese deposit(1987-). MMAJ...

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