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Mostrando ítems 11-20 de 35
Quebrada de la Sal magnetoestratigraphic section, Los Colorados Formación, Upper Triassic Ischigualasto-Villa Unión basin, Argentina
(Universidad Nacional Autónoma de México, 2011-11)
Ischigualasto-Villa Union basin is a continental rift developed in southwestern quarter of Pangea throughout the Triassic. Los Colorados Formation, its youngest stratigraphic unit, is formed by a continuously succession ...
Archosauriform remains from the Late Triassic of San Luis province, Argentina, Quebrada del Barro Formation, Marayes-El Carrizal Basin
(Pergamon-Elsevier Science Ltd, 2016-03)
Here we present archosauriform remains from 'Abra de los Colorados', a fossiliferous locality at Sierra de Guayaguas, NW San Luis Province. Two fossiliferous levels were identified in outcrops of the Quebrada del Barro ...
Diversity, affinities and adaptations of the Basal Sparassodont patene Simpson, 1935 (Mammalia, Metatheria)Diversidad, afinidades y adaptaciones del 4 Patene Simpson, 1935 (Mammalia, Metatheria)
(Asociación Paleontológica Argentina, 2019-06)
Sparassodonts were the main mammalian predators during most of the Cenozoic in South America. The lower Eocene Itaboraí Basin/ Formation includes the second oldest fossil records of this group in South America: Patene ...
New record of Pampahippus secundus (Mammalia, Notoungulata) from the Upper Lumbrera Formation, Eocene of northwestern Argentina
(Society of Vertebrate Paleontology, 2019-04)
The Paleogene record of notoungulates in northwestern Argentina (NWA) is relatively abundant, including 20 species distributed in 16 genera (Powell et al., 2011; Babot et al., 2017). Fourteen of those 16 genera are recorded ...
New specimen of Pucatherium parvum (Xenarthra, Dasypodidae), a singular dasypodid of the Paleogene (Eocene) of northwest Argentina: importance in the early evolution of armadillos
(Society of Vertebrate Paleontology, 2019-07)
A new specimen of Pucatherium parvum from the lower levels of the Upper Lumbrera Formation of Salta Province is reported. An almost complete dorsal carapace and several postcranial remains were preserved, providing important ...
Estudios de procedencia de la Formación Toro Negro a partir de modas detríticas y edades U-Pb en circones detríticos: Implicancias para la evolución del antepaís fractura andino (La Rioja)Provenance studies of the Toro Negro Formation based on detrital modes and U-Pb detrital zircon ages: implications on the evolution of the Andean broken foreland (La Rioja)
(Academia Nacional de Ciencias Exactas, Físicas y Naturales, 2017-12)
La propuesta de este trabajo es mostrar la importancia de la integración de distintos métodos para analizar la procedencia de una unidad estratigráfica. Se toma como caso de estudio a la Formación Toro Negro (Mio-Pleistoceno ...
Alluvial to lacustrine sedimentation in an endorheic basin during the Mio-Pliocene: The Toro Negro Formation, Central Andes of Argentina
(Pergamon-Elsevier Science Ltd, 2018-07)
A 2400 m-thick sedimentary column belonging to the Toro Negro Formation was recorded along the Quebrada del Yeso, Sierra de Los Colorados (Vinchina Basin), La Rioja province, NW Argentina. The Vinchina basin is a good ...
A new Late Triassic vertebrate assemblage from Northwestern ArgentinaUna nueva asociación de vertebrados del triásico tardío del noroeste de Argentina
(Asociación Paleontológica Argentina, 2015-04)
La formación Quebrada del Barro (QBF) es parte de la Cuenca continental Marayes-El Carrizal, en el noroeste de Argentina. Acá reportamos una diversa asociación faunística recientemente descubierta en la Formación Quebrada ...
Reevaluación de las Biozonas de Tetragraptus Phyllograptoides y T. akzharensis (Ordovícico Inferior, Floiano) de la Cordillera Oriental ArgentinaReevaluation of Tetragraptus Phyllograptoides and T. Akzharensis biozones (lower Ordovician, Floian) from the Cordillera Oriental Argentina
(Asociacion Paleontologica Argentina, 2013-10)
En este trabajo se presentan nuevos ajustes y correlaciones del esquema bioestratigráfico del Ordovícico Inferior (Floiano) de la Cordillera Oriental. A partir de los registros de graptolitos de niveles correspondientes ...
Middle Eocene-Oligocene Broken Foreland Evolution In The Andean Valle Calchaqui, Nw Argentina: Insights From Stratigraphic, Structural And Provenance Studies
(Wiley, 2013-09)
Two end-member models have been proposed for the Paleogene Andean oreland: a simple W-Emigrating foreland model and a broken-foreland model. We present new stratigraphic, sedimentological and structural data from the ...