Results 31 to 40 of about 8,883 (188)

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

open access: yesJournal 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.
Navarro, Edgardo Luis   +4 more
openaire   +2 more sources

Exploring Perceptions of Curriculum Change in Initial English Language Teacher Education: A Case in Argentina

open access: yesEstudios sobre Educación, 2016
With the implementation of a new national education law in Argentina, the theoretical underpinnings, structure, and knowledge base for initial teacher education are being transformed. In the province of Chubut, southern Argentina, 2014 was devoted to the
Darío Luis Banegas
doaj   +1 more source

Free-living marine nematode communities: In San Jorge gulf, Argentina [PDF]

open access: yes, 2018
The aim of this study was to investigate the patterns of nematode diversity and community structure in San Jorge Gulf, Argentina, in order to improve knowledge of this key group of organisms.
Lo Russo, Virginia   +2 more
core   +1 more source

Mesozoic Coleopteran Faunas fromArgentina: Geological Context, Diversity, Taphonomic Observations, and Comparison with Other Fossil Insect Records [PDF]

open access: yes, 2012
The order Coleoptera is the most diversified group of the Class Insecta and is the largest group of the Animal Kingdom. This contribution reviews the Mesozoic insects and especially the coleopteran records from Argentina, based on bibliographical and ...
Gallego, Oscar Florencio   +2 more
core   +2 more sources

DAWSONITE IN TUFFS AND LITHARENITES OF THE CERRO CASTANO MEMBER, CERRO BARCINO FORMATION, CHUBUT GROUP (CENOMANIAN), LOS ALTARES, PATAGONIA, ARGENTINA

open access: yesThe Canadian Mineralogist, 2011
Dawsonite, NaAlCO 3 (OH) 2 , occurs as a replacement, cement, and fracture filling in continental, zeolitized and silicified vitric tuffs and litharenites of the Cenomanian Cerro Castano Member, Cerro Barcino Formation, Chubut Group, Patagonia, Argentina.
Zalba, Patricia Eugenia   +4 more
openaire   +2 more sources

Histological evidence for a supraspinous ligament in sauropod dinosaurs [PDF]

open access: yes, 2015
Supraspinous ossified rods have been reported in the sacra of some derived sauropod dinosaurs. Although different hypotheses have been proposed to explain the origin ofthis structure, histological evidence has never been provided to support or reject any
Abdalla O   +37 more
core   +2 more sources

Addressing the Biodiversity Paradox: Mismatch between the Co-Occurrence of Biological Diversity and the Human, Financial and Institutional Resources to Address Its Decline

open access: yesDiversity, 2022
Pressures are mounting for the adoption of a Global Biodiversity Framework that transforms conservation and sustainable use efforts worldwide. Underlying this challenge is the biodiversity paradox: biological diversity predominantly concentrates in the ...
Jon Paul Rodríguez   +22 more
doaj   +1 more source

The signature of river- and wind-borne materials exported from Patagonia to the southern latitudes: a view from REEs and implications for paleoclimatic interpretations [PDF]

open access: yes, 2004
Riverine and wind-borne materials transferred from Patagonia to the SW Atlantic exhibit a homogeneous rare earth element (REE) signature. They match well with the REE composition of Recent tephra from the Hudson volcano,and hence this implies a ...
Bidart, Susana M.   +4 more
core   +2 more sources

Otras formas de construir parentesco: procesos de familiarización y memorias genealógicas entre los mapuche-tehuelche de la costa y el valle (Chubut, Argentina)

open access: yesAntípoda: Revista de Antropología y Arqueología, 2020
In 2009, when I began to work together with the Mapuche-Tehuelche communities of the coast and valley regions of the province of Chubut (Patagonia, Argentina), I shared with them my intention of setting the diverse experiences of being together in the ...
Valentina Stella
doaj   +1 more source

Systematic revision of the genus Orodaliscoides Schmidt, 1913 (Coleoptera: Scarabaeidae: Aphodiinae) [PDF]

open access: yes, 2012
The species belonging to the genus Orodaliscoides Schmidt (Coleoptera: Scarabaeidae: Aphodiinae) are redescribed and figured. The following new combinations are proposed: Orodaliscoides fimbripes (Brown, 1928) and Orodaliscoides giulianii (Gordon, 1977)
Dellacasa, Giovanni   +2 more
core   +2 more sources

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