Ferromanganese oxides on sharks' teeth from Central Indian Ocean Basin

Authors
Iyer, SD
Citation
Sd. Iyer, Ferromanganese oxides on sharks' teeth from Central Indian Ocean Basin, I J MAR SCI, 28(3), 1999, pp. 263-269
Citations number
28
Categorie Soggetti
Aquatic Sciences
Journal title
INDIAN JOURNAL OF MARINE SCIENCES
ISSN journal
03795136 → ACNP
Volume
28
Issue
3
Year of publication
1999
Pages
263 - 269
Database
ISI
SICI code
0379-5136(199909)28:3<263:FOOSTF>2.0.ZU;2-Z
Abstract
The mineralogy, composition and growth rates of ferromanganese (Fe-Mn) oxid es over the sharks' teeth from the Central Indian Ocean Basin are presented . The trends of metal enrichment (Mn, Ni, Cu and Zn) and depletion (Fe and Co), the Mn/Fe ratio and the growth rates, basically indicate a hydrogenous source; in contrast, limited role of diagenesis. Furthermore, the nucleus does not seem to significantly affect the nature and bulk chemistry of the Fe-Mn oxides.