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Florencia Moreno,Ana Mestre,Susana Heredia
Pág. 302 - 317
The calcareous microfossils present in the Ordovician and Silurian carbonate successions around the world are limited to few studies and their biological affinities and environmental preferences remain indefinite. In the carbonate Ordovician San Juan For...
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Ana Mestre,Mercedes Gallardo,María José Salas,Susana Heredia
Pág. 423 - 444
The microfossil hosted in the strata of the upper part of the San Juan Formation has been widely studied in several sections to the northward of the Argentinian Central Precordillera. In contrast, the coeval strata at the Los Baños de Talacasto section, ...
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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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Susana Heredia,Ana Mestre
Pág. 556 - 566
The Middle-Upper Ordovician Ponón Trehué Formation cropping out in the San Rafael Block (Argentina) provided a large collection of conodonts which have been published years ago. The species Eoplacognathus robustus and Eoplacognathus lindstroemi recovered...
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Samanta Serra-Varela,Pablo D. González,Raúl E. Giacosa,Nemesio Heredia,David Pedreira,Fidel Martín-González,Ana María Sato
Pág. 102 - 130
In San Martín de los Andes area (Argentinian Patagonia) the Palaeozoic basement consists of metamorphic and plutonic rocks. The metamorphic rocks include strongly deformed schists, gneisses and migmatites. Their geochemical and petrographic characteristi...
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Santiago Aurelio Ochoa García,Teresa Reyna,Marcelo García,Horacio Herrero,Jose Manuel Díaz,Ana Heredia
Pág. 103 - 117
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Rocío Rodríguez, Sara Jaramillo, Rafael Guillén, Ana Jiménez, Juan Fernández-Bolaños, Antonia Heredia
Pág. 971 - 978
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Javier L. M. Nuñez García, Adriano Geraci, Alfredo Tolley, María C. Di Stefano, Eduardo Cabanillas, Ana M. Martínez, Raúl D'Elía, Eduardo Heredia, Alicia B. Trigubo
Pág. 65 - 69
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