Trace and major elements in geological samples from Itingusssú River Basin, Sepetiba Bay––Rio de Janeiro
作者： D. R. Araripe , A. V. B. Bellido , S. R. Patchineelam , R. M. Latini , L. F. Bellido
DOI: 10.1007/S10967-011-1220-X
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摘要: waterfall with three drop offs. The study area is located in a granitic pre-Cambrian embasement, discharging mangrove forest fringe. This work attempts to investigate the influence of lithology types elemental composition soil region and sediments related mangrove. Instrumental neutron activation analysis subsequent gamma-ray spectrometry were used. technique enabled measurement at least twenty-one chemical elements. more representative samples enriched U Th. Multivariate Statistical Analysis showed that formed this have been influenced by leucocratic rocks, LREE factorial enables identification five factors ordination elements: presence iron minerals (biotite); allanite; marine sediment; differentiated kinetic transport diagenesis.
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