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The record of the Paleocene-Eocene thermal maximum in the Ager Basin (Central Pyrenees, Spain)
Minelli, N. (Università degli Studi di Parma. Dipartimento di Fisica e Scienze della Terra Macedonio Melloni)
Manzi, V. (Alpine Laboratory of Palaeomagnetism (ALP))
Roveri, M. (Alpine Laboratory of Palaeomagnetism (ALP))

Data: 2013
Resum: 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.
Drets: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, sempre i quan aquestes es distribueixin sota la mateixa llicència que regula l'obra original i es reconegui l'autoria. Creative Commons
Llengua: Anglès
Document: article ; recerca ; publishedVersion
Matèria: PETM ; Southern Central Pyrenees ; Isotope geochemistry
Publicat a: Geologica acta, Vol. 11, Núm. 4 (December 2013) , p. 421-441, ISSN 1696-5728

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DOI: 10.1344/105.000002061

21 p, 2.5 MB

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