Buscar
Mostrando ítems 781-790 de 808
New South American record of the Cretaceous–Paleogene boundary interval (La Colonia Formation, Patagonia, Argentina)
(Elsevier, 2021-10)
The La Colonia Formation is an Upper Cretaceous to Paleogene shallow marine sedimentary unit in Chubut Province (Patagonia), Argentina that preserves important vertebrate and plant fossils. Despite good exposures and ...
Sediments vs. Historical narratives: The use of soil magnetic properties to evaluate the existence of a historical fire in an 18th century Spanish fort (Patagonia, Argentina)
(Elsevier, 2020-10-09)
The present work aims to evaluate if sediments from the Spanish fort Fuerte San José (1779–1810 CE) located in Península Valdés, Province of Chubut, Argentina, show signs that could be attributed to the documented fire ...
New age constraints for early Paleogene strata of central Patagonia, Argentina: Implications for the timing of South American Land Mammal Ages
(Geological Society of America, 2017-07)
The Río Chico Group in the San Jorge Basin of central Patagonia (Argentina) preserves some of South America’s most significant Paleogene records of biotic and climatic change. Three of its constituent formations, the Peñas ...
Cretaceous-Cenozoic growth of the Patagonian broken foreland basin, Argentina: Chronostratigraphic framework and provenance variations during transitions in Andean subduction dynamics
(Pergamon-Elsevier Science Ltd, 2020-01)
The Cretaceous-Cenozoic evolution of the Patagonian broken foreland basin system at 42–43°S in the northern Chubut province of Argentina is associated with variable retroarc phases of fold-thrust belt shortening, extension, ...
Strategies to persist in the community: Soil seed bank and above-ground vegetation in Patagonian pine plantations
(Wiley Blackwell Publishing, Inc, 2020-04)
Questions: In terms of biodiversity conservation, forest plantations are often considered problematic because they usually have negative effects on natural ecosystems. Soil seed banks could play an important role in restoring ...
A geochronology for the Sarmiento Formation at Gran Barranca
(Cambridge University Press, 2010)
The Sarmiento Formation (middle Eocene – early Miocene) is a terrestrial pyroclastic succession in central Patagonia broadly recognized by its abundant fossil mammals which comprise the standard succession for the South ...
Recomendaciones para elaborar planes de manejo silvopastoril en bosques de ñire (Nothofagus antarctica) de Tierra del Fuego, Argentina.
(Fundación CIPAV, 2017-09-06)
El objetivo de este trabajo es presentar recomendaciones para la elaboración de planes de manejo silvopastoril en bosques de ñire de Tierra del Fuego (Argentina), de acuerdo con el estado del conocimiento científico-técnico ...
The Rhyolitic Plateau of the Marifil Formation (Jurassic): A Gondwana Paleosurface in the Southeastern Portion of the Northern Patagonian Massif
(Springer, 2014)
Along the southeastern border of the Northern Patagonian Massif of the provinces of Río Negro and Chubut, an extensive surface is presently called the “Rhyolitic” or “Ignimbritic Plateau.” This large geomorphological unit ...
A basal lithostrotian titanosaur (Dinosauria: Sauropoda) with a complete skull: Implications for the evolution and paleobiology of titanosauria
(Public Library Of Science, 2016-04-26)
We describe Sarmientosaurus musacchioi gen. et sp. nov., a titanosaurian sauropod dinosaur from the Upper Cretaceous (Cenomanian - Turonian) Lower Member of the Bajo Barreal Formation of southern Chubut Province in central ...
Estudios paleoclimáticos del Paleógeno y Mioceno inferior del centro y sur de la Patagonia argentina en base a la anatomía de maderas fósiles
(2018-11-12)
El xilema secundario (madera) es un tejido vegetal encargado, entre otras funciones, del transporte del agua. Es por ello que, las variaciones climáticas que afectan la disponibilidad de este recurso, pueden ser visualizados ...