Authors:
R. Dutta

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R. Acharya Bhabha Atomic Research Centre Radiochemistry Division Trombay 400 085 Mumbai India

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V. Chakravortty Utkal University Department of Chemistry Vani Vihar 751 004 Bhubaneswar India

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A. Nair Bhabha Atomic Research Centre Radiochemistry Division Trombay 400 085 Mumbai India

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A. Reddy Bhabha Atomic Research Centre Radiochemistry Division Trombay 400 085 Mumbai India

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S. Chintalapudi Inter University Consortium for DAE facilities Calcutta Centre III/LB-8, Salt Lake 700 091 Calcutta India

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S. Manohar Bhabha Atomic Research Centre Radiochemistry Division Trombay 400 085 Mumbai India

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Abstract  

Three ferromanganese crusts from different locations of the Indian Ocean were analysed by neutron activation analysis using thek0 method (k0 NAA method) for studying the distribution of some trace elements along with Fe and Mn. Another crust from the Lau basin of the Pacific Ocean was investigated for comparison of the influence of different oceanic conditions on the trace element distributions in ferromanganese crusts. Variation in Co concentration along with the Mn/Fe ratio were discussed in terms of the hydrogenous/hydrothermal nature of the crusts. The normalised REE content was used to identify possible anomalies. The observed Ce anomaly is discussed in the light of the depositional environment. The precision and accuracy of the method were confirmed by measuring the elemental concentrations in a USGS nodule standard NOD A-1.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)