Distribution, morphology, and geochemistry of manganese crusts and nodules from the Philippine Sea

D. Stüben; G.P. Glasby; H. Kunzendorf; H. Lange; S. Chen

Distribution, morphology, and geochemistry of manganese crusts and nodules from the Philippine Sea

D. Stüben, G.P. Glasby, H. Kunzendorf, H. Lange, S. Chen

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Abstract

Manganese nodules recovered from the west Mariana and Philippine Basins are typical deep-sea nodules. Surface density is in the range 0-15kg/m2 with an average of about 3.5kg/m3. The nodules are spheroidal to polynucleate, up to 40mm in diameter, display smooth and microbotryoidal surface texture, have cores of altered volcanic material, and occur on red clay. The REE patterns and the Ce/La ratios of the nodules and crusts reflect a hydrogenous origin for the deposits as well as less oxidizing growth conditions and indicate that the deposits did not form in the path of strong bottom water flow.

Original language	English
Journal	Marine Mining
Volume	10
Issue number	1
Pages (from-to)	73-93
ISSN	0149-0397
Publication status	Published - 1991

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abstract = "Manganese nodules recovered from the west Mariana and Philippine Basins are typical deep-sea nodules. Surface density is in the range 0-15kg/m2 with an average of about 3.5kg/m3. The nodules are spheroidal to polynucleate, up to 40mm in diameter, display smooth and microbotryoidal surface texture, have cores of altered volcanic material, and occur on red clay. The REE patterns and the Ce/La ratios of the nodules and crusts reflect a hydrogenous origin for the deposits as well as less oxidizing growth conditions and indicate that the deposits did not form in the path of strong bottom water flow.",

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T1 - Distribution, morphology, and geochemistry of manganese crusts and nodules from the Philippine Sea

AU - Stüben, D.

AU - Glasby, G.P.

AU - Kunzendorf, H.

AU - Lange, H.

AU - Chen, S.

PY - 1991

Y1 - 1991

N2 - Manganese nodules recovered from the west Mariana and Philippine Basins are typical deep-sea nodules. Surface density is in the range 0-15kg/m2 with an average of about 3.5kg/m3. The nodules are spheroidal to polynucleate, up to 40mm in diameter, display smooth and microbotryoidal surface texture, have cores of altered volcanic material, and occur on red clay. The REE patterns and the Ce/La ratios of the nodules and crusts reflect a hydrogenous origin for the deposits as well as less oxidizing growth conditions and indicate that the deposits did not form in the path of strong bottom water flow.

AB - Manganese nodules recovered from the west Mariana and Philippine Basins are typical deep-sea nodules. Surface density is in the range 0-15kg/m2 with an average of about 3.5kg/m3. The nodules are spheroidal to polynucleate, up to 40mm in diameter, display smooth and microbotryoidal surface texture, have cores of altered volcanic material, and occur on red clay. The REE patterns and the Ce/La ratios of the nodules and crusts reflect a hydrogenous origin for the deposits as well as less oxidizing growth conditions and indicate that the deposits did not form in the path of strong bottom water flow.

KW - Begrænsning af forurening

M3 - Journal article

SN - 0149-0397

VL - 10

SP - 73

EP - 93

JO - Marine Mining

JF - Marine Mining

IS - 1

ER -

Distribution, morphology, and geochemistry of manganese crusts and nodules from the Philippine Sea

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