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Title: 87Sr/86Sr ratios discrimination applied to the main Paleozoic carbonate sedimentation in Ossa-Morena Zone
Other Titles: Lo ratio 87Sr/86Sr aplicado a la discriminación de los episodios de sedimentación carbonatada en la Zona de Ossa-Morena
Authors: Moreira, Noel
Pedro, Jorge
Santos, José Francisco
Araújo, António
Romão, José
Dias, Rui
Ribeiro, António
Ribeiro, S.
Mirão, José
Keywords: Ossa-Morena Zone
carbonated sedimentation
Issue Date: 2016
Publisher: IX Congreso Geológico de España
Citation: Moreira, N., Pedro, J., Santos, J., Araújo, A., Romão, J., Dias, R., Ribeiro, A., Ribeiro, S., Mirão, J. (2016) - 87Sr/86Sr ratios discrimination applied to the main Paleozoic carbonate sedimentation in Ossa-Morena Zone. In: IX Congreso Geológico de España (special volume). Geo-Temas, 16(1), 161-164. ISSN 1576-5172.
Abstract: The carbonated sedimentation in Ossa-Morena Zone during the Palaeozoic is formed, at least, by two main episodes. However, some chronological questions remain open, due to lack of biostratigraphic data in some carbonates. Sr isotope analysis was performed in selected limestones and marbles of Ossa-Morena Zone, in order to discriminate the Sr signature of the two main carbonate sedimentation episodes. The Sr isotopic data from the analyzed carbonate show two clusters of 87Sr/86Sr ratios, one related with the Lower Cambrian and other with the Lower-Middle Devonian carbonates.
Type: lecture
Appears in Collections:GEO - Comunicações - Em Congressos Científicos Internacionais
CGE - Comunicações - Em Congressos Científicos Internacionais

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