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Article

Quantifying Multiple Erosion Events in the Distal Sector of the Northern Alpine Foreland Basin (North-Eastern Switzerland), by Combining Basin Thermal Modelling with Vitrinite Reflectance and Apatite Fission Track Data

1
Department of Earth Sciences, University of Geneva–Switzerland, 1205 Geneva, Switzerland
2
Institut des Sciences de la Terre de Paris, Sorbonne Université, 75006 Paris, France
3
Tectonic Analysis Ltd., Chestnut House, Duncton, West Sussex GU28 0LH, UK
*
Author to whom correspondence should be addressed.
Present address: Total, Coupole-La Defense, 92078 Paris, France.
Academic Editors: Salvatore Critelli and Jesus Martinez-Frias
Geosciences 2021, 11(2), 62; https://doi.org/10.3390/geosciences11020062
Received: 30 September 2020 / Revised: 19 January 2021 / Accepted: 27 January 2021 / Published: 30 January 2021
(This article belongs to the Special Issue Temperature in Sedimentary Basins)
This work quantifies the amount of erosion associated with the Cretaceous and Miocene erosional unconformities recognised in the distal part of the Northern Alpine Foreland Basin (NAFB), north-eastern Switzerland. To achieve this goal, the basin thermal modelling approach is applied, calibrated by two different sets of data collected in previous studies: vitrinite reflectance (%Ro) and the temperature estimated from apatite fission tracks (AFT) data modelling. The novelty of this approach is the possibility to constrain the timing and magnitude of multiple erosion events by integrating thermal modelling with thermochronologic data. Combining these two methods allows the erosional events to be separated which would not be possible using only irreversible paleothermometers, such as vitrinite reflectance data. Two scenarios were tested, based on the data of two published thermochronology studies. For the Cretaceous unconformity, similar results are obtained for the two scenarios, both indicating that the deposition and the subsequent complete erosion of Lower Cretaceous deposits, in the order of 500–1300 m, depending on the area, are necessary, in order to attain the temperatures estimated by the thermal history modelling of AFT data. Thus, a depositional hiatus for this period is not likely. For the Miocene-Quaternary unconformity, the magnitude of erosion calculated for the two scenarios differs by 300–1400 m, depending on the AFT data considered. The two scenarios lead to a different evaluation of the subsidence and uplift rate of the study area, thus to a different interpretation of the tectono-stratigraphic evolution of this distal sector of the NAFB. View Full-Text
Keywords: erosion; basin thermal modelling; apatite fission track data; Northern Alpine Foreland Basin erosion; basin thermal modelling; apatite fission track data; Northern Alpine Foreland Basin
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MDPI and ACS Style

Omodeo-Salé, S.; Hamidi, Y.; Villagomez, D.; Moscariello, A. Quantifying Multiple Erosion Events in the Distal Sector of the Northern Alpine Foreland Basin (North-Eastern Switzerland), by Combining Basin Thermal Modelling with Vitrinite Reflectance and Apatite Fission Track Data. Geosciences 2021, 11, 62. https://doi.org/10.3390/geosciences11020062

AMA Style

Omodeo-Salé S, Hamidi Y, Villagomez D, Moscariello A. Quantifying Multiple Erosion Events in the Distal Sector of the Northern Alpine Foreland Basin (North-Eastern Switzerland), by Combining Basin Thermal Modelling with Vitrinite Reflectance and Apatite Fission Track Data. Geosciences. 2021; 11(2):62. https://doi.org/10.3390/geosciences11020062

Chicago/Turabian Style

Omodeo-Salé, Silvia, Yanis Hamidi, Diego Villagomez, and Andrea Moscariello. 2021. "Quantifying Multiple Erosion Events in the Distal Sector of the Northern Alpine Foreland Basin (North-Eastern Switzerland), by Combining Basin Thermal Modelling with Vitrinite Reflectance and Apatite Fission Track Data" Geosciences 11, no. 2: 62. https://doi.org/10.3390/geosciences11020062

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