Authors:
D. R. Araripe Departamento de Química Analítica, Universidade Federal Fluminense Niterói, 24020-007, Brazil

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L. F. Bellido Instituto de Engenharia Nuclear C.P. 68550, Rio de Janeiro, Brazil

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S. R. Patchineelam Departamento de Geoquímica, Universidade Federal Fluminense Niterói, 24020-007, Brazil

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A. V. B. Bellido Departamento de Geoquímica, Universidade Federal Fluminense Niterói, 24020-007, Brazil

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M. T. Guimar?es Centro de Pesquisas Minerais Rio de Janeiro, 22290-240, Brazil

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M. B. A. Vasconcellos Instituto de Pesquisas Energéticas e Nucleares S?o Paulo, 05508-900, Brazil

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Summary  

The goal of the present work was to determine the concentration of 23 elements by instrumental neutron activation analysis in rock samples from the vicinity of Itingussú River, in order to investigate the contribution of trace and major elements from the local lithology to the river basin. The Itingussú River Basin ends in a mangrove area not yet largely impacted by antropogenic activities. So far, there are no data for the concentration of trace elements in that region, even though these data are important to the understanding of the influence of the rocks on the composition of the mangrove sediments. The results showed some enrichment of Th and some light rare earths, probably because of the presence of the mineral allanite and other accessory minerals, as identified by petrographic analysis.

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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)