NDLI: Structure and Composition of Ferromanganese–Phosphate Nodules from the Black Sea

Content Provider	Springer Nature Link
Author	Baturin, G. N. Gorshkov, A. I. Magazina, L. O. Bogdava, O. Yu.
Copyright Year	2002
Abstract	Ferruginate shells and tubular worm burrows from the oxygenated zone of the Black Sea (Kalamit Bay and Danube River mouth) are studied using transmission and scanning electron microscopy combined with analyses of elemental composition. Iron and manganese hydroxide nodules considered here are enriched in phosphorus. They contain variable amounts of terrigenous and biogenic material derived from host sediments. The hydroxides are mainly characterized by colloform structure, whereas globular and crystalline structures are less common. The dominating iron phase is represented by ferroxyhite and protoferroxyhite, whereas the manganese phase is composed of Fe-free vernadite. Relative to sediments, concentrations of Mn, As, and Mo increase 12–18 times, while concentrations of Fe, P, Ni, and Co increase 5–7 times during the nodule formation.
Starting Page	374
Ending Page	385
Page Count	12
File Format	PDF
ISSN	00244902
Journal	Lithology and Mineral Resources
Volume Number	37
Issue Number	4
e-ISSN	16083229
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2002-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Mineralogy Sedimentology
Content Type	Text
Resource Type	Article
Subject	Geochemistry and Petrology Economic Geology

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Structure and Composition of Ferromanganese–Phosphate Nodules from the Black Sea