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Early uplift and orogenic deformation in the Neuquén Basin: Constraints on the Andean uplift from U–Pb and Hf isotopic data of detrital zircons
Abstract Provenance of detrital sediments of the Neuquen Basin in Central Argentina was investigated using U–Pb and Lu–Hf isotopic composition of zircon grains in order to evaluate the timing of… Expand
A new Late Triassic age for the Puesto Viejo Group (San Rafael depocenter, Argentina): SHRIMP U–Pb zircon dating and biostratigraphic correlations across southern Gondwana
Abstract The Puesto Viejo Group crops out in the San Rafael Block, southwest Mendoza, at approximately 35° S and 68°20′ W. It consists of the basal mainly grayish Quebrada de los Fosiles Formation… Expand
U-Pb geochronology of the Santa Cruz Formation (early Miocene) at the Río Bote and Río Santa Cruz (southernmost Patagonia, Argentina): Implications for the correlation of fossil vertebrate localities
Abstract The early Miocene Santa Cruz Formation (SCF) in southern Patagonia hosts the Santacrucian South American Land Mammal Age (SALMA), whose age is known mainly from exposures along the Atlantic… Expand
Detrital zircon analysis from the Neoproterozoic-Cambrian sedimentary cover (Cuyania terrane), Sierra de Pie de Palo, Argentina: Evidence of a rift and passive margin system?
Abstract Metamorphic basement and its Neoproterozoic to Cambrian cover exposed in the Sierra de Pie de Palo, a basement block of the Sierras Pampeanas in Argentina, lie within the Cuyania terrane.… Expand
A provenance study of the Paleozoic Ventania System (Argentina): Transient complex sources from Western and Eastern Gondwana
Abstract The U–Pb and Lu–Hf isotopic analyses of the different sedimentary sequences of the Ventania System, an old Paleozoic orogenic belt exposed in the southern region of the Rio de la Plata… Expand
Patagonia: where does it come from?
Based on the recent finding of archeocyathids in molassic middle Cambrian to Early Ordovician age-sequences of northern Patagonia the relationships between this southern part of South America and… Expand
Intraplate Late Jurassic deformation and exhumation in western central Argentina: Constraints from surface data and U–Pb detrital zircon ages
Abstract Intraplate deformation has been described in several tectonic settings and recently in western central Argentina it has been proposed to explain the complex structural patterns developed… Expand
Accretion of Grenvillian terranes to the southwestern border of the Río de la Plata craton, western Argentina
A comprehensive review of the geological, geochronological, and isotopic features of the Mesoproterozoic Grenvillian terranes attached to the southwest of the Río de la Plata craton in Early… Expand
Malargüe Group (Maastrichtian–Danian) deposits in the Neuquén Andes, Argentina: Implications for the onset of the first Atlantic transgression related to Western Gondwana break-up
Abstract The discovery of marine to brackish and fresh-water carbonates in the inner Agrio fold-and-thrust belt at Pichaihue, Neuquen, Argentina, located to the west of the Andean orogenic front,… Expand
Estudios Isotópicos en Carbonatos Marinos del Terreno Precordillera-Cuyania: ¿Plataforma común en el Neoproterozoico-Paleozoico Inferior?
- Maximiliano Naipauer, C. Cingolani, Susana Valencio, F. Chemale, G. I. Vujovich
- 1 December 2005
The studies based on systematic isotope variations in carbonate rocks are valuable tools to understand the evolution of marine sedimentary basins, especially...