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The record of the Paleocene-Eocene thermal maximum in the Ager Basin (Central Pyrenees, Spain)

Minelli, N. ; Manzi, V. ; Roveri, M.

Geologica acta, 2013-12, Vol.11 (4), p.421-441 [Periódico revisado por pares]

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Título:
The record of the Paleocene-Eocene thermal maximum in the Ager Basin (Central Pyrenees, Spain)
Autor: Minelli, N. ; Manzi, V. ; Roveri, M.
Assuntos: Basins (Geology) ; Geological research ; Isotope geochemistry ; Natural history ; PETM ; PETM. Southern Central Pyrenees. Isotope geochemistry ; Southern Central Pyrenees
É parte de: Geologica acta, 2013-12, Vol.11 (4), p.421-441
Descrição: The sedimentary record straddling the Paleocene/Eocene boundary in the Ager Basin (southern Central Pyrenees) was investigated by combining facies analysis, sequence stratigraphy and stable isotope data, within an interval characterized by a great variability of depositional environments. The occurrence of the Paleocene-Eocene Thermal Maximum (PETM) climatic anomaly is tentatively constrained by analogy with its stratigraphic range in the adjacent Tremp-Graus Basin. The main body of the carbon isotope excursion associated with the PETM may be recorded by lacustrine carbonates characterized by a ~ -3‰ shift in d13C with respect to analogous deposits of Thanetian age; a similar shift is recorded between in situ and resedimented pedogenic carbonates, a feature that suggests the partial erosion of the P/E boundary in the Ager Basin.
Editor: Universitat de Barcelona
Idioma: Catalão;Inglês

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