Geological Records of the Fuegian Andes Deformed Complex Framed in a Patagonian Orogenic Belt Regional Context
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Beschreibung
The Fuegian Andes in Argentina show both simple and complex aspects. The first ones refer to the general stratigraphy of the area and the latter result from their tectonic characteristics. Concerning the stratigraphy, an appraisal of the denomination and valorization of formations of Jurassic and early Cretaceous age is performed here to reach the simple scheme of the Fuegian-Patagonian continuity under the name of “Fuegian Andes Deformed Complex”. As an essay the formational nomenclature is simplified and the local concept of basement is evaluated. In relation to their structural aspects it is assumed that the formation of the orogenic Fuegian arc and the folding of the Mesozoic and early Tertiary layers are connected phenomena. Tectonic forces from the West, the Northeast and the South have had participation in the formation of the tectonic arc. The lithostatic column pressure was added once the layers were folded and thrusted upwards during the birth of the Fuegian Andes. Even the speculation of a great main fold overturned to North, as an abstraction, is considered. Instead, the Magallanes-Fagnano fault is appreciated only as a product of the transcurrent Quaternary movements, lacking associated eruptive processes that contribute to define plate borders.
Performs an appraisal of the development and valorization of formations of the Jurassic and early Cretaceous to reach the simple scheme of the Fuegian-Patagonian geologic continuity under the name of Fuegian Andes Deformed Complex
Offers a simplified view on the Fuegian Andes stratigraphy and the intricate folding of the Mesozoic and Eotertiary layers
Performs an appraisal of the development and valorization of formations of the Jurassic and early Cretaceous to reach the simple scheme of the Fuegian-Patagonian geologic continuity under the name of Fuegian Andes Deformed Complex Offers a simplified view on the Fuegian Andes stratigraphy and the intricate folding of the Mesozoic and Eotertiary layers
Autor*in
Rogelio Daniel Acevedo
Themen in »Geological Records of the Fuegian Andes Deformed Complex Framed in a Patagonian Orogenic Belt Regional Context«
Stratigraphy of the Fuegian Andes Regional Geology Tierra Del Fuego Patagonia Southernmost South America Mesozoic complex Structural geology of the Fuegian Andes Tectonics of the Fuegian Andes structural geology