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| Colin, C; Turpin, L; Blamart, D; Frank, N; Kissel, C; Duchamp, S. |
| A high-resolution study of mineralogy and major element geochemistry combined with Sr and Nd isotopes has been conducted on high sedimentation rate cores collected off the Irrawaddy River mouth in the Andaman Sea and the Bay of Bengal to reconstruct the erosional and weathering history of the Irrawaddy River basin. In both cores, epsilon Nd(0) values imply that both glacial and interglacial sediments share a common crustal source: the Irrawaddy River. Strong glacial/interglacial cycles are recorded by Sr-87/Sr-86: interglacial periods yield values between 0.713 and 0.717, whereas glacial periods show higher values between 0.717 and 0.719. Variations of the pedogenic clays (smectite and kaolinite) to primary mineral (feldspar, quartz, illite, and chlorite)... |
| Tipo: Text |
Palavras-chave: Sr and Nd isotopes; Major elements; Erosional history; Indo-Burman Ranges; Irrawaddy River. |
| Ano: 2006 |
URL: https://archimer.ifremer.fr/doc/00235/34579/33111.pdf |
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