A5027269459- Geological and Geochemical Analysis
- Geology and Paleoclimatology Research
- Geological formations and processes
- Geological and Tectonic Studies in Latin America
- Geological and Geophysical Studies Worldwide
- Evolution and Paleontology Studies
- earthquake and tectonic studies
- Geochemistry and Geologic Mapping
- Paleontology and Stratigraphy of Fossils
- Clay minerals and soil interactions
- Fish biology, ecology, and behavior
- Bat Biology and Ecology Studies
- Ichthyology and Marine Biology
- Paleontology and Evolutionary Biology
- Fish Biology and Ecology Studies
- Pleistocene-Era Hominins and Archaeology
- Animal Ecology and Behavior Studies
- Hydrocarbon exploration and reservoir analysis
- Environmental and Ecological Studies
- Geochemistry and Elemental Analysis
- Geomagnetism and Paleomagnetism Studies
- Parasite Biology and Host Interactions
- Marine Biology and Ecology Research
- Indigenous Cultures and History
- Primate Behavior and Ecology
Research Center on Earth Sciences
2014-2024
Centro Científico Tecnológico - Córdoba
2019-2024
Consejo Nacional de Investigaciones Científicas y Técnicas
2014-2024
Universidad Nacional de Córdoba
2013-2023
Centro Científico Tecnológico - Tucumán
2001-2012
National University of Salta
1999-2010
Research Article| March 01, 2007 Middle Eocene deformation and sedimentation in the Puna-Eastern Cordillera transition (23°-26°S): Control by preexisting heterogeneities on pattern of initial Andean shortening F. Hongn; Hongn 1Consejo Nacional de Investigaciones Científicas y Técnicas-Universidad Salta, Buenos Aires 177, 4400 Argentina Search for other works this author on: GSW Google Scholar C. del Papa; Papa J. Powell; Powell 2Consejo Tucumán, Miguel Lillo 205, 4000 I. Petrinovic;...
Abstract Two end‐member models have been proposed for the Paleogene Andean foreland: a simple W‐E migrating foreland model and broken‐foreland model. We present new stratigraphic, sedimentological structural data from Quebrada de los Colorados ( QLC ) Formation, in Eastern Cordillera, with which to test these two different models. Basin‐wide unconformities, growthstrata changes provenance indicate deposition of Formation tectonically active basin. Both west‐ east‐vergent structures, rooted...
Abstract Unravelling the spatiotemporal evolution of Cenozoic Andean (Altiplano‐Puna) plateau has been one most intriguing problems South American geology. Despite a number investigations, early deformation and uplift history this area remained largely enigmatic. This paper analyses Paleogene tectono‐sedimentary Casa Grande Basin, in present‐day transition zone between northern sector Puna Plateau part Argentine Eastern Cordillera. Our detailed mapping synsedimentary structures records onset...
ABSTRACT A new cichlid referable to the extant genus Gymnogeophagus is described from Eocene Lumbrera Formation of Salta Group, northwestern Argentina. †Gymnogeophagus eocenicus, n. sp., presents synapomorphies that support genus: absence supraneurals and a presence forward spine in first dorsal pterygiophore. The existence an early middle Eocene–aged species presenting appearance modern requires acceptance extensive differentiation basal lineages. Extant are restricted La Plata drainage few...
Abstract Dispersion of low‐temperature thermochronologic data from nine samples collected on a deformed paleosurface preserved the Cuevas range (Central Andes) can be exploited to unravel complex thermal histories. The yielded that have both intersample and intrasample dispersions; set includes apatite fission‐track ages (180–110 Ma), mean track lengths (11–13 μm), helium (10–250 zircon (180–348 Ma). We ran inverse history models for each sample reveal spatial variations Miocene reheating...
Abstract Marked along‐strike changes in stratigraphy, mountain belt morphology, basement exhumation, and deformation styles characterize the Andean retroarc; these have previously been related to spatiotemporal variations subduction angle. We modeled new apatite fission track (U‐Th‐Sm)/He data from nine ranges located between 26°S 28°S. Using published data, we constructed a Cretaceous Pliocene paleogeographic model that delineates four‐stage tectonic evolution: extensional tectonics during...
ABSTRACT The Lumbrera Formation is the uppermost unit of Santa Bárbara Subgroup Salta Group, exposed in northwestern Argentina. It consists fine clastic sediments characteristic brick red color with an intercalation green mudstone levels, which are called Faja Verde. specimen described here was collected from middle part Verde II at Alemania locality dated as Eocene. material comprises a specimen, preserved and counterpart, assigned to new genus species: Proterocara argentina, gen. et sp....
Abstract An integrated biochronological and physical stratigraphie approach was used as the basis to determine stratigraphic position of "Faja Gris"; Mealla Formation at Garabatal Creek, NW Argentina. The relative dryness that influenced sediments palynological assemblage can be correlated with an episode low sea level in marine Atlantic basins during Riochican Land Mammal Age (Middle Late Paleocene). comparison fossil genera extant taxa permits recognition several paleocommunities, namely...
The Lumbrera Formation is the uppermost unit of Salta Group, which crops out in northwestern Argentina. paleoenvironment interpreted as a perennial lake deposited under temperate climatic conditions during early to middle Eocene. Its fossil content made up palynomorphs, insects, crocodiles, turtles, lizards, and mammals, besides an ichthyofauna formed by cichlids, poeciliids dipnoans. †Plesioheros chauliodus described based on single individual from this formation, was fossilized lateral...