Storme, Jean-Yves; Devleeschouwer, Xavier; Schnyder, Johann; Cambier, Geoffrey; Baceta, Juan Ignacio; Pujalte, Victoriano; Di Matteo, Antonietta; Iacumin, Paola; Yans, Johan (2012): The Palaeocene/Eocene boundary section at Zumaia (Basque-Cantabric Basin) revisited; new insights from high-resolution magnetic susceptibility and carbon isotope chemostratigraphy on organic matter (delta (super 13) C (sub org) ). Wiley-Blackwell, Oxford, United Kingdom, Terra Nova, 24 (4), 310-317, georefid:2013-039628

The Zumaia section, the most complete and representative section of the early Palaeogene (hemi)-pelagic succession of the Pyrenees, is widely acknowledged as a key reference for the Palaeocene-Eocene boundary. New high-resolution delta (super 13) C (sub org) of the Zumaia section (-23.8 to -28.8 ppm) confirms the position of the Carbon Isotope Excursion and enhances the distinction between the different steps of the CIE/PETM event. According to new magnetic susceptibility data and detailed cycle counting, the entire duration of the CIE/PETM in Zumaia is estimated in approximately 168 + or - 16 ka. Moreover, the investigation of palynofacies and low-field magnetic susceptibility reveal significant detrital influx during the interval. Several magnetic susceptibility phases and trends are recognised and are interpreted in terms of sea-level fluctuations before, during and after the PETM. Coupled with results from other sections, our data reveal the presence of an unconformity followed by an eustatic sea-level rise (TST) in the latest Palaeocene. Abstract Copyright (2012), Blackwell Publishing Ltd.
West: -2.1522 East: -2.1522 North: 43.1753 South: 43.1753
Expedition: 113
Site: 113-690
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