Subsurface data from the Chacopampean plain, North Argentina
Abstract
Understanding the evolution of foreland basins provides rich information about present and past orogenies and plate-scale tectonic processes. The Andean foreland basin, also known as the Chacopampean plain, preserves sedimentary records in the subsoil from the late Precambrian to the present day. This region was considered poor in tectonic activity before the Cenozoic. This dataset contributes to the elucidation of the geological evolution of the transitional zone between three distinct basin systems: the Salta Rift, the intracratonic Chacoparanaense, and the Andean foreland basins. The database consists of 19 seismic lines and data from 18 wells located in the Chacopampean plain, both in the domains of the Chacoparanaense Basin and in the domain of the Salta Rift Basin, and velocity data from seismic headers that allow the correlation of data from time and depth domains. With these data, we have interpreted a complex tectonic history persisting to the Palaeogene by analysing industry seismic-reflection data and borehole records. This research provides an unprecedented, detailed investigation of a poorly explored region.
Authors 6
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University of Potsdam · Universidad de Buenos Aires
Affiliation as printed
Institute of Geosciences, University of Potsdam, Potsdam, Germany
Instituto de Geociencias Básicas, Aplicadas y Ambientales, Universidad de Buenos Aires, Buenos Aires, Argentina
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Stefan Back Aachen
Affiliation as printed
RWTH Aachen University, Aachen, Germany
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GFZ Helmholtz Centre for Geosciences
Affiliation as printed
GFZ Helmholtz Centre for Geosciences, Potsdam, Germany
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Consejo Nacional de Investigaciones Científicas y Técnicas · Research Center on Earth Sciences
Affiliation as printed
Cicterra, CONICET-University of Córdoba, Córdoba, Argentina
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Affiliation as printed
Institute of Geosciences, University of Potsdam, Potsdam, Germany
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Affiliation as printed
Instituto de Geociencias Básicas, Aplicadas y Ambientales, Universidad de Buenos Aires, Buenos Aires, Argentina
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