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Piedrahita, Victor A; Galeotti, Simone; Zhao, Xiang; Roberts, Andrew P; Rohling, Eelco J; Heslop, David; Florindo, Fabio; Grant, Katharine M; Rodriguez-Sanz, Laura; Reghellin, Daniele; Zeebe, Richard E (2023): X-ray fluorescence data from Contessa Road (Italy), Paleocene-Eocene Thermal Maximum interval [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.954774

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Abstract:
The Paleocene-Eocene Thermal Maximum (PETM) is the most studied global warming event of a series of Paleocene-Eocene carbon cycle perturbations called hyperthermals. PETM origins have been associated with volcanic-related carbon emissions; however, other carbon cycle feedbacks were required to develop a large hyperthermal such as the PETM. The orbital configuration in which the PETM occurred is still unclear despite possible orbital controls on the PETM triggering. This dataset contains X-Ray Fluorescence (XRF) data (Fe, Ca, and Si) from Contessa Road (Italy), a sedimentary section with reduced calcium carbonate dissolution compared to deep ocean sites. Astrochronological age models and probabilistic assessments reveal that the PETM onset appeared close to both short and long eccentricity maxima, which suggests that orbitally controlled insolation variations may have thermally destabilized carbon reservoirs that worked as PETM positive carbon cycle feedbacks.
Keyword(s):
CaCO3 dissolution; long eccentricity maximum; orbital control; Paleocene-Eocene Thermal Maximum (PETM); short eccentricity maximum
Related to:
Piedrahita, Victor A; Galeotti, Simone; Zhao, Xiang; Roberts, Andrew P; Rohling, Eelco J; Heslop, David; Florindo, Fabio; Grant, Katharine M; Rodriguez-Sanz, Laura; Reghellin, Daniele; Zeebe, Richard E (2022): Orbital phasing of the Paleocene-Eocene Thermal Maximum. Earth and Planetary Science Letters, 598, 117839, https://doi.org/10.1016/j.epsl.2022.117839
Funding:
Australian Research Council (ARC), grant/award no. DE190100042
Australian Research Council (ARC), grant/award no. DP190100874
Heising-Simons Foundation, grant/award no. Grant #2021-2800
National Science Foundation (NSF), grant/award no. OCE-2001022
National Science Foundation (NSF), grant/award no. OCE-2034660: High-fidelity dating of deep-time records: Integrating Earth's dynamical ellipticity and tidal dissipation into astrochronology
Coverage:
Latitude: 43.379722 * Longitude: 12.563889
Date/Time Start: 2018-10-21T14:00:00 * Date/Time End: 2018-10-21T14:00:00
Event(s):
Contessa_Road_section * Latitude: 43.379722 * Longitude: 12.563889 * Date/Time: 2018-10-21T14:00:00 * Elevation: 550.0 m * Location: Gubbio, Italy * Method/Device: Geological sample (GEOS)
Comment:
Ages are presented in kyr relative to the PETM onset (0 kyr).
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
5 datasets

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Datasets listed in this bundled publication

  1. Piedrahita, VA; Galeotti, S; Zhao, X et al. (2023): Astrochronological age model (calcium) from the Contessa Road (Italy). https://doi.org/10.1594/PANGAEA.954747
  2. Piedrahita, VA; Galeotti, S; Zhao, X et al. (2023): Astrochronological age model (iron) from the Contessa Road (Italy). https://doi.org/10.1594/PANGAEA.954744
  3. Piedrahita, VA; Galeotti, S; Zhao, X et al. (2023): Astrochronological age model (silicon) from the Contessa Road (Italy). https://doi.org/10.1594/PANGAEA.954765
  4. Piedrahita, VA; Galeotti, S; Zhao, X et al. (2023): X-ray fluorescence measurements from Contessa Road (Italy). https://doi.org/10.1594/PANGAEA.954711
  5. Piedrahita, VA; Galeotti, S; Zhao, X et al. (2023): Replicate X-ray fluorescence measurements from the Contessa Road (Italy). https://doi.org/10.1594/PANGAEA.954722