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Mostrando ítems 61-70 de 291
Stratigraphy, tectonics, paleoclimatology and paleogeography of northern basins of Brazil
(University of CaliforniaEstados unidosCollege of Letters and Science – CLS/UCUCPrograma de Doutorado em Geologia – PDG/UC, 2017)
Paleozoic exotic blocks of the crimean mountains: stratigraphy and origin
(Scientific Research Publishing Inc, 2014)
U–Pb SHRIMP detrital zircon ages from the Neoproterozoic Difunta Correa Metasedimentary Sequence (Western Sierras Pampeanas, Argentina): Provenance and paleogeographic implications
(Elsevier Science, 2015-11)
The central and eastern parts of the Sierra de Pie de Palo (Western Sierras Pampeanas, Argentina) areformed by a Mesoproterozoic basement and a Neoproterozoic sedimentary cover. Both were involvedin an accretionary orogeny ...
Paleomagnetic data and K-Ar ages from Mesozoic units of the Santa Marta massif: A preliminary interpretation for block rotation and translations
(PERGAMON-ELSEVIER SCIENCE LTD, 2010)
We report 6 K-Ar ages and paleomagnetic data from 28 sites collected in Jurassic, Lower Cretaceous and Paleocene rocks of the Santa Marta massif, to test previous hypothesis of rotations and translations of this massif, ...
Cloudina-Corumbella-Namacalathus association from the Itapucumi Group, Paraguay: Increasing ecosystem complexity and tiering at the end of the Ediacaran
(Elsevier Science, 2017-09)
The intriguing Ediacaran fossil Namacalathus is described from limestones of the Tagatiya Guazú Formation, Itapucumi Group, Paraguay. This is the fifth occurrence of the genus in the Ediacaran geological record. The ...
Chronology, stratigraphy and hydrological modelling of extensive wetlands and paleolakes in the hyperarid core of the Atacama Desert during the late quaternary
(Elsevier Ltd, 2018)
© 2018 Elsevier LtdThe halite-encrusted salt pans (salars) present at low elevations in the hyperarid core of the Atacama Desert in northern Chile are unique features of one of the driest and possibly oldest deserts on ...
New specimen of Dinodontosaurus (Therapsida, Anomodontia) from west-central Argentina (Chañares Formation) and a reassessment of the triassic dinodontosaurus assemblage zone of southern South America
(Pergamon-Elsevier Science Ltd, 2020-06)
The Chañares Formation is known worldwide for its diverse tetrapod assemblage, including representatives of proterochampsid archosauromorphs, early offshoots of the crocodilian lineage, precursors of the dinosaurian lineage, ...