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North Patagonian Massif, Argentina : Lithospheric 3D gravity modelling using upper-mantle density constraints

Authors
/persons/resource/lauragd

Gomez Dacal,  Maria Laura
4.5 Basin Modelling, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Tocho,  Claudia
External Organizations;

Aragón,  Eugenio
External Organizations;

/persons/resource/sippel

Bott [Sippel],  Judith
4.5 Basin Modelling, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/leni

Scheck-Wenderoth,  Magdalena
4.5 Basin Modelling, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Gomez Dacal, M. L., Tocho, C., Aragón, E., Bott [Sippel], J., Scheck-Wenderoth, M. (2020): North Patagonian Massif, Argentina: Lithospheric 3D gravity modelling using upper-mantle density constraints.
https://doi.org/10.5880/GFZ.4.5.2020.002


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5002846
Abstract
We present a 3-D lithospheric-scale data-constrained structural model covering the area of North Patagonian Massif Plateau (NPM) and its surroundings. These data are supplementary material to “Lithospheric 3D gravity modelling using upper-mantle density constraints: Towards a characterization of the crustal configuration in the North Patagonian Massif area, Argentina” (Gómez Dacal et al. 2017). The North Patagonian Massif (NPM), in central Argentina, includes a plateau of an average altitude of 1200 m.a.s.l. mostly surrounded by basins that stand between 500 to 700 m below it. Geological observations and previous works indicate that the present-day elevation of the plateau was reached in the Paleogene by a sudden uplift that did not involve noticeable deformation. To gain insight into the causes of the uplift and the geodynamic development of the area, it is necessary to characterize the present-day configuration of the lithosphere.