Articles | Volume 14, issue 1
https://doi.org/10.5194/se-14-17-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-14-17-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
A contribution to the quantification of crustal shortening and kinematics of deformation across the Western Andes ( ∼ 20–22° S)
Tania Habel
Institut de physique du globe de
Paris, CNRS, Université Paris Cité, 75005 Paris, France
Institut de physique du globe de
Paris, CNRS, Université Paris Cité, 75005 Paris, France
Robin Lacassin
Institut de physique du globe de
Paris, CNRS, Université Paris Cité, 75005 Paris, France
Daniel Carrizo
Advanced Mining Technology Center, Facultad de Ciencias
Físicas y Matemáticas, Universidad de Chile, Avenida Tupper 2007,
Santiago, Chile
now at: GeoEkun SpA, Santiago 7500593, Chile
German Aguilar
Advanced Mining Technology Center, Facultad de Ciencias
Físicas y Matemáticas, Universidad de Chile, Avenida Tupper 2007,
Santiago, Chile
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Short summary
The Central Andes are one of the most emblematic reliefs on Earth, but their western flank remains understudied. Here we explore two rare key sites in the hostile conditions of the Atacama desert to build cross-sections, quantify crustal shortening, and discuss the timing of this deformation at ∼20–22°S. We propose that the structures of the Western Andes accommodated significant crustal shortening here, but only during the earliest stages of mountain building.
The Central Andes are one of the most emblematic reliefs on Earth, but their western flank...