Results 131 to 140 of about 317 (175)

Perennial stream discharge in the hyperarid Atacama Desert of northern Chile during the latest Pleistocene. [PDF]

open access: yesProc Natl Acad Sci U S A, 2007
Nester PL   +4 more
europepmc   +1 more source

Early Gondwanan connection for the Argentine Precordillera terrane

open access: yesEarth and Planetary Science Letters, 2003
Abstract The Precordillera of Argentina is widely accepted as an exotic terrane of Laurentian (North American) affinity. Newly acquired U/Pb ages on individual detrital zircons from Lower Cambrian and Upper Ordovician quartz sandstone beds in the Argentine Precordillera indicate a Gondwanan provenance not associated with any known part of Laurentia ...
George Gehrels
exaly   +2 more sources

Silurian Conodonts from the Rinconada Formation, Argentine Precordillera

open access: yesAmeghiniana, 2017
Fil: Voldman, Gustavo Gabriel. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Cordoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Cordoba. Facultad de Ciencias Exactas Fisicas y Naturales.
J L Alonso
exaly   +3 more sources
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Paleomagnetic confirmation of the Laurentian origin of the Argentine Precordillera

Earth and Planetary Science Letters, 1998
Abstract Several recent tectonic models have portrayed the Argentine Precordillera has been recently portrayed as an Early Paleozoic Laurentian derived exotic terrane now found in southwestern South America. These models have primarily been based on strong biogeographic and stratigraphic evidence, however, no paleomagnetic data have previously been ...
A.E Rapalini, R.A Astini
exaly   +3 more sources

Middle Cambrian chancelloriids from the Argentine Precordillera

Palaeoworld, 2022
Abstract We report, for the first time, and systematically describe chancelloriid from the region, including Chancelloria bella, Allonnia cf. tintinopsis, Al. cf. erromenosa, Al. tripodophora, Archiasterella cf. coriacea, Ar. cf. hirundo, Ar. cf. tetraspina, and Ar. cf.
Matilde Sylvia Beresi   +1 more
openaire   +1 more source

Ordovician cheirurid trilobites from the Argentine Precordillera

Journal of Paleontology, 1999
New cheirurid trilobite species from the Las Aguaditas Formation in San Juan Province include the LlanvirnMacrogrammus rafi, and the Early CaradocCeraurinella zhoui, Nieszkowskia jakei, andN. yongyii.Precordilleran species, such as the LlanvirnMacrogrammus penginew species from the Gualcamayo Formation, reinforce sinoparapilekiinid affinities for the ...
Gregory D. Edgecombe   +3 more
openaire   +1 more source

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