Manganese and Biotic Debris Associations in Some Deep-Sea Sediments
- 8 November 1974
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 186 (4163) , 529-531
- https://doi.org/10.1126/science.186.4163.529
Abstract
Incipient manganese concretions occur in microcavities of planktonic skeletal debris (especially diatom frustules) in some Pacific Basin deep-sea sediments. These concretions contain over 50 percent manganese and very little iron (< 1 percent). There is a continuum of growth stages in the concretions having a diameter between 0 and approximately 2 millimeters, and a genetic relationship is suggested between the very small and the centimeter sized concretions.Keywords
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