Ferromanganese nodules of the Southwestern Pacific: Results of Soviet investigations
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چکیده
منابع مشابه
Minor Element Geochemistry of Lakemichigan Ferromanganese Nodules
Samples of ferromanganese nodules from several localities in Lake Michigan have been analyzed for their minor element content utilizing neutron activation techniques. The thorium and uranium levels in Lake Michigan nodules exhibit marked dissimilarities with marine nodules. The radium content of these freshwater nodules is substantially higher than the reported marine values. The concentrations...
متن کاملThe hydrothermal component in ferromanganese nodules from the southeast Pacific Ocean
Statistical analyses of geochemical data from ferromanganese nodule samples representing a broad area of the southeast Pacific Ocean indicate nodule compositions are controlled by four factors: (1) suboxic diagenesis; (2) oxic diagenesis; (3) hydrogenous precipitation; and (4) hydrothermal precipitation. The first three are identical to those identified in studies of nodules from the North Paci...
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چکیده ندارد.
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ژورنال
عنوان ژورنال: New Zealand Journal of Geology and Geophysics
سال: 1990
ISSN: 0028-8306,1175-8791
DOI: 10.1080/00288306.1990.10425698