Results 151 to 160 of about 8,948 (183)

Habitat conservation enhances the resilience of the lizard Liolaemus cuyumhue to high summer temperatures. [PDF]

Sci Rep
Brizio MV, Cabezas-Cartes F, Avila LJ, Boretto JM.   +3 more
europepmc   +1 more source

Genetic variation and heritability of agronomic traits in a native perennial forage species from drylands: breeding potential of Festuca pallescens. [PDF]

Sci Rep
Guidalevich V, Berro I, Aparicio AG, Azpilicueta MM, López AS, Arias-Rios JA, Picasso V, Gutierrez L, Marchelli P.   +8 more
europepmc   +1 more source

Cenomanian-? early Turonian minimum age of the Chubut Group, Argentina: SHRIMP U–Pb geochronology

Journal of South American Earth Sciences, 2014
Abstract Four new SHRIMP U–Pb zircon ages older than 93 Ma from samples of the two uppermost formations accumulated in two different depocenters (Golfo de San Jorge and Canadon Asfalto basins) of the Chubut Group in central Argentinean Patagonia, establish a pre-late Cenomanian-? early Turonian age for the group.
César R Navarrete, Christopher Mark Fanning   +1 more
exaly   +7 more sources

Detrital zircon geochronology and provenance of the Chubut Group in the northeast of Patagonia, Argentina

Journal of South American Earth Sciences, 2015
Abstract The Chubut Group constitutes the most widespread sedimentary unit in NE Patagonia, characterized by variable-energy fluvial deposits. U–Pb analysis of detrital zircons from two sections of the Chubut Group constraint the age of the oldest sedimentary rocks in the northeast of the Somuncura – Canadon Asfalto Basin.
Elena A Belousova
exaly   +3 more sources

Patagonian broken foreland and related synorogenic rifting: The origin of the Chubut Group Basin

Tectonophysics, 2015
Abstract The Central Patagonia is characterized by prominent continental deposits that belong to the Cretaceous Chubut Group Basin, whose tectonic setting remains controversial. It has been interpreted as a foreland basin, an extensional basin and even as a sag stage of a rift event. Related deposits outcrop as part of the Patagonian broken foreland,
Guido Martin Gianni
exaly   +3 more sources

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Dinosaur remains from the Lower Cretaceous of the Chubut Group, Argentina

Cretaceous Research, 2003
Abstract Some fragmentary dinosaur remains from the uppermost Hauterivian–Barremian La Paloma Member of the Cerro Barcino Formation of northern Chubut, Argentina are described. Together with the fauna from the La Amarga Formation of Neuquen, Argentina, this material represent the oldest known Cretaceous dinosaur fauna from South America.
Oliver W M Rauhut, Patricia A Vickers-Rich   +1 more
exaly   +2 more sources

A new lizard species of the Liolaemus kingii group (Squamata: Liolaemidae) from northwestern Chubut province (Argentina)

Zootaxa, 2023
We describe Liolaemus attenboroughi sp. nov., a lizard distributed in the northwestern Patagonian Steppe of Chubut province (Argentina) previously confused with L. kingii (Bell 1843). Recent studies based on molecular evidence supports its evolutionary independence.
KEVIN I. SÁNCHEZ, MARIANA MORANDO, LUCIANO J. AVILA   +2 more
openaire   +3 more sources

New materials and an overview of Cretaceous vertebrates from the Chubut Group of the Golfo San Jorge Basin, central Patagonia, Argentina

Journal of South American Earth Sciences, 2020
Abstract In this paper, we present an updated revision of fossil vertebrates from the Chubut Group, Golfo San Jorge Basin, while also describing some new remains. Extensive exposures of both Lower and Upper Cretaceous sedimentary sequences are present in central Patagonia.
Ibiricu, Lucio M., Casal, Gabriel A., Martínez, Rubén D., Alvarez, Bruno N., Poropat, Stephen F.   +4 more
openaire   +3 more sources

Geometry, Lithofacies, and Spatial Distribution of Cretaceous Fluvial Sandstone Bodies, San Jorge Basin, Argentina: Outcrop Analog for the Hydrocarbon-Bearing Chubut Group

SEPM Journal of Sedimentary Research, 2000
ABSTRACT Fluvial deposits of the Cretaceous Chubut Group, San Jorge Basin, Argentina, were studied in outcrop to provide analogs for adjacent subsurface hydrocarbon-bearing strata. Outcrops were described using photomosaics and detailed sedimentological logs. Particular attention was paid to describing the geometry (e.g., width, thickness), lithofacies,
J. S. Bridge, G. A. Jalfin, S. M. Georgieff   +2 more
openaire   +2 more sources

The Chubut Group at the San Bernardo fold belt, Golfo San Jorge basin, Argentina: A review of fossil plant localities and its sedimentological setting

Journal of South American Earth Sciences, 2019
Abstract The Chubut Group (Cretaceous) consists of continental volcaniclastic deposits widely distributed in the Golfo San Jorge and Canadon Asfalto basins of Central Patagonia. In the San Bernardo Fold Belt, numerous outcrops with fossil plants have been historically mentioned.
José Matildo Paredes
exaly   +3 more sources