Buscar
Mostrando ítems 71-80 de 338
Neuquén Group (Upper Cretaceous): A case of underfilled-overfilled cycles in an Andean foreland basin, Neuquén basin, Argentina
(Pergamon-Elsevier Science Ltd, 2017-12)
The Nenquén Group was deposited during a period dominated by the Cretaceous Greenhouse and can be divided in three cycles correlated with large-scale changes in the evolution of the Andean foreland basin. The filling of ...
Geochemistry of heavy minerals and U-Pb detrital zircon geochronology in the manantiales basin: implications for Frontal Cordillera uplift and foreland basin connectivity in the Andes of central Argentina
(Elsevier, 2018)
The Manantiales Foreland Basin, located at similar to 32 degrees 15'S in the Frontal Cordillera, Argentina, contains the sedimentary record of erosion of igneous basement and Miocene volcanic rocks exhumed during the Andean ...
Cretaceous Orogeny and Marine Transgression in the Southern Central and Northern Patagonian Andes: Aftermath of a Large-Scale Flat-Subduction Event?
(Springer, 2018)
This review synthesizes the tectonomagmatic evolution of the southern Central andNorthern Patagonian Andes between 35°30?S to 48°S with the aim to spotlight earlycontractional phases on Andean orogenic building and to ...
Sedimentological, geochemical and paleontological insights applied to continental omission surfaces: A new approach for reconstructing an eocene foreland basin in NW Argentina
(Pergamon-Elsevier Science Ltd, 2010-03)
An Eocene foreland basin linked to the Andean uplift in northwestern Argentina has recently been proposed. The basin is divided and partially eroded due to subsequent Neogene orogenic phases, so that a simple reconstruction ...
Tectonostratigraphic evolution and timing deformation in the Miocene Paso del Sapo Basin: Implications for the Patagonian broken foreland
(Pergamon-Elsevier Science Ltd, 2019-10)
Several segments of the Central and Southern Andes show deformation evidences located far away from the orogenic front. As a result, a landscape constituted by fault-blocks mountains and intermontane basins occurs. The ...
Neotectonic basin and landscape evolution in the Eastern Cordillera of NW Argentina, Humahuaca Basin (~24°S)
(Wiley, 2013-10)
The intermontane Quebrada de Humahuaca Basin (Humahuaca Basin) in the Eastern Cordillera of the southern Central Andes of NW Argentina (23°–24°S) records the evolution of a formerly contiguous foreland-basin setting to an ...
Foreland uplift during flat subduction: insights from the Peruvian Andes and Fitzcarrald Arch
(Elsevier, 2018-04-22)
Foreland deformation has long been associated with flat-slab subduction, but the precise mechanism linking these two processes remains unclear. One example of foreland deformation corresponding in space and time to flat ...
Successive reactivation of older structures under variable heat flow conditions evidenced by K-Ar fault gouge dating in Sierra de Ambato, northern Argentine broken foreland
(Pergamon-Elsevier Science Ltd, 2015-12)
The Argentine broken foreland has been the subject of continuous research to determine the uplift and exhumation history of the region. High-elevation mountains are the result of N-S reverse faults that disrupted a W-E ...
Eocene to modern topographic evolution of an Andean retroarc foreland basin (35°S) from stable isotope paleoaltimetry: implications for tectonic and geodynamic models
(International Society for Animal Genetics, 2019)
Andean basins contain a unique sedimentary record reflecting mountain building processes along thewestern margin of South America throughout its entire Meso-Cenozoic evolution (Horton, 2018). Inparticular, the retroarc ...
Crustal deformation of the Andean foreland at 31° 30′S (Argentina) constrained by magnetotelluric survey
(Elsevier Science, 2013-01)
Twenty-five new long-period magnetotelluric sites near 31.5°S were collected in a west–east profile. This profile and the previous one, aligned with and adjacent to the eastern end, have been merged to form a single profile ...