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Fernando Enrique Lopez,Cintia Kaufmann
Pág. 201 - 216
New data and a biostratigraphic review on Silurian graptolites of the La Chilca Formation are presented. Silurian retiolitids and monoserial graptolites are described for the first time in the lower layers of the Salto Macho Member at the Poblete Norte s...
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María Josefina Pons,Juan Mendiberri,Martín Arce,Gerson Alan Greco,Telma B. Musso,María Lis Fernández,Natalia Hauser,Pamela Aparicio González
Pág. 93 - 126
The Sofía-Julia-Valencia vein system, located in the Andacollo mining district in central west Argentina, is hosted by ENE-WSW oriented strike-slip faults which are the result of reactivation of normal faults affecting Carboniferous to Jurassic rocks dur...
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Michael Stamatis, Nikolaos Hatzianastassiou, Marios Bruno Korras-Carraca, Christos Matsoukas, Martin Wild and Ilias Vardavas
This study assesses and evaluates the 40-year (1980?2019) Modern-Era Retrospective Analysis for Research and Applications v.2 (MERRA-2) surface solar radiation (SSR) as well as its interdecadal changes (?(SSR)) against high quality reference surface meas...
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Gustavo Correa,Pedro Raúl Gutiérrez
Pág. 316 - 332
The Tupe and Patquía formations are known for their marine, deltaic, river, and eolian deposits that record different Late Paleozoic events in the Paganzo Basin. However, in the area of the Río Francia (Province of San Juan, Argentina), these units are r...
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Blanca A. Toro,Susana E. Heredia,Nexxys C. Herrera Sánchez,Florencia Moreno
Pág. 144 - 161
Recent biostratigraphic studies on the western argentine Puna recorded the Middle Ordovician conodont Baltoniodus cf. B. navis (Lindström) for first time, related to key graptolite taxa of the Central Andean Basin. The analyzed material comes from the lo...
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Andrea F. Sterren,Gabriela A. Cisterna,Óscar López-Gamundí,María M. Vergel
Pág. 110 - 124
The Agua del Jagüel Formation crops out in the southernmost part of the Calingasta-Uspallata basin, in central western Argentina. The lower part of the unit is characterized by a glacigenic sequence with diamictites and mudstones with dropstones. In the ...
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Arturo Cesar Taboada,María Alejandra Pagani,María Karina Pinilla,Franco Tortello,César Augusto Taboada
Pág. 629 - 669
A narrow upper Paleozoic belt crops out in the northern tip of Sierra de Tecka through the Quebrada de Güera-Peña (Patagonia, Argentina). There, black shales of the Pampa de Tepuel Formation contain marine fossil invertebrates previously listed as belong...
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Susana Heredia,Ana Mestre,Cintia Kaufmann,Tatiana Soria
Pág. 336 - 344
The stratigraphic record of the Pygodus serra conodont Zone in the Cuyania terrane of western Argentina is discussed in this contribution. Three well-known sections were sampled in Precordillera and the San Rafael Block. The studied successions are compo...
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Mauro Ignacio Bernardi,Gustavo Walter Bertotto,Alexis Daniel Ponce,Yuji Orihashi,Hirochika Sumino
Pág. 279 - 299
The El Puesto lava flow is located in the Payenia Volcanic Province (central-western Argentina), has a length of 70 km and is Middle Pleistocene in age (0.200±0.027 Ma). The flow shows a P-type pahoehoe structure and exhibits several inflation structures...
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Stella Poma, Adriana Ramos, Vanesa D. Litvak, Sonia Quenardelle, Emma B. Maisonnave, Iris Díaz
Pág. 249 - 274
A Miocene to Pliocene (13 to 4.6 Ma) mostly pyroclastic sequence is exposed along the Iglesia Valley, to
the east of the former main volcanic arc. This area is a transitional region between Cordillera Frontal and Precordillera,
over the flat slab segment...
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