A note on a mineralogical analysis of the sediments associated with the Plata River and Patos Lagoon outflows
Riverine waters bring to seas a variety of suspended materials, which are ultimately deposited on the shelf or exported to the deep ocean. Investigation of the mineralogical contents of these continental-borne constituents on seafloors may reveal valuable information about the environmental conditio...
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| Veröffentlicht in: | Continental shelf research 2008-07, Vol.28 (13), p.1687-1691 |
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| container_title | Continental shelf research |
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| creator | Campos, Edmo J.D. Mulkherjee, Swapna Piola, Alberto R. de Carvalho, Flavio M.S. |
| description | Riverine waters bring to seas a variety of suspended materials, which are ultimately deposited on the shelf or exported to the deep ocean. Investigation of the mineralogical contents of these continental-borne constituents on seafloors may reveal valuable information about the environmental conditions in the drainage basin. In this note we report results of X-ray diffraction and other analysis of sediments in bottom samples collected on the continental shelf under influence of the Plata River and the Patos Lagoon, in South America. The analysis reveals that non-clay materials are mostly concentrated south of 33°S, while clay sediments are relatively more abundant further north. We propose that such distributions are controlled by the circulation pattern and water mass distribution of the lower and upper layers, respectively. |
| doi_str_mv | 10.1016/j.csr.2008.03.014 |
| format | Article |
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Investigation of the mineralogical contents of these continental-borne constituents on seafloors may reveal valuable information about the environmental conditions in the drainage basin. In this note we report results of X-ray diffraction and other analysis of sediments in bottom samples collected on the continental shelf under influence of the Plata River and the Patos Lagoon, in South America. The analysis reveals that non-clay materials are mostly concentrated south of 33°S, while clay sediments are relatively more abundant further north. 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| ispartof | Continental shelf research, 2008-07, Vol.28 (13), p.1687-1691 |
| issn | 0278-4343 1873-6955 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Brackish Clay minerals Fresh water plume Freshwater Marine Rio de la Plata Southwest Atlantic Continental Shelf |
| title | A note on a mineralogical analysis of the sediments associated with the Plata River and Patos Lagoon outflows |
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