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Wieslaw Trela, Ewa Krzeminska, Karol Jewula and Zbigniew Czupyt
This report provides oxygen isotopes from apatite of late Middle and Late Ordovician conodonts from the southern Holy Cross Mountains in south-eastern Poland. It was a unique time interval characterised by a significant change in the Ordovician climate, ...
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Fernanda Serra,Nicolás A. Feltes,Matías Mango,Miles A. Henderson,Guillermo L. Albanesi,Gladys Ortega
Pág. 125 - 143
The Ordovician System is extensively represented in the Precordillera of San Juan Province, Argentina. At the Cerro La Chilca in the Jáchal area, the limestone of the San Juan Formation is paraconformably overlain by interbedded limestone and shale of th...
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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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Matías J. Mango,Guillermo L. Albanesi
Pág. 577 - 598
This study deals with the conodont biostratigraphy from the uppermost part of La Silla Formation (9.6 m) and the overlying San Juan Formation (264.7 m), at the Cerro La Silla section, Central Precordillera of San Juan, Argentina. The 41 samples of carbon...
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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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Josefina Carlorosi,Susana B. Esteban,M. Franco Tortello
Pág. 168 - 182
A conodont assemblage recovered from the middle part of the Santa Rosita Formation at Pantipampa (Iruya area, northwestern Argentina) is described herein. It includes Cordylodus angulatus Pander, C. cayesi Druce and Jones, C. lindstromi Druce and Jones, ...
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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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Matías J. Mango,Guillermo L. Albanesi
Pág. 274 - 299
The present study deals with the conodont biostratigraphy from the middle and upper parts of the San Juan Formation (Lower-Middle Ordovician) exposed at the Los Gatos creek section, west of the cerro Viejo de Huaco, Central Precordillera of San Juan Prov...
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Nicolás A. Feltes, Guillermo L. Albanesi, Stig M. Bergström
Pág. 60 - 85
Middle Darriwilian to lower Sandbian conodonts were recorded from the Las Aguaditas Formation at
its type section in the Argentine Precordillera. A total of 9,974 conodont specimens were recovered from 46 carbonate
samples, which represent 68 species of ...
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