Vol 39, No 1 (2012)

Table of Contents

Research article Back to top

Evolution of the Great Tehuelche Paleolake in the Torres del Paine National Park of Chilean Patagonia during the Last Glacial Maximum and Holocene
Marcelo A. Solari, Jacobus P. Le Roux, Francisco Herve, Alessandro Airo, Mauricio Calderon
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1-21
Paleoenvironment and paleontology of the Andapaico Formation (upper Paleozoic, central Precordillera, Argentina)
Gustavo A. Correa, Maria L. Carrevedo, Pedro R. Gutierrez
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22-52
Paleomagnetism and geochemistry from the Upper Cretaceous Tres Picos Prieto locality (43ºS), Patagonian Plateau Basalts
Claudia Beatriz Zaffarana, Silvia Leonor Lagorio, Ruben Somoza
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53-66
Stratigraphy, sedimentary petrology and provenance of the Sobral and Cross Valley formations (Paleocene), Marambio (Seymour) Island, Antarctica.
Sergio Marenssi, Sergio Santillana, Mauro Bauer
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67-91
A new species of Andiceras Krantz (Cephalopoda: Ammonoidea) from the Late Jurassic-Early Cretaceous of the Neuquen Basin, Mendoza, Argentina. Systematics and Biostratigraphy
Veronica V. Vennari, Pamela P. Alvarez, Beatriz Aguirre-Urreta
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92-105
Syn-rift volcanism of the Neuquen Basin, Argentina: relationships with the Late Triassic-Early Jurassic evolution of the Andean margin.
Leandro D’Elia, Martin Muravchik, Juan R. Franzese, Andres Bilmes
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106-132
Tectonostratigraphic analysis of the Late Triassic-Early Jurassic syn-rift sequence of the Neuquen Basin in the Sanico depocentre, Neuquen Province, Argentina
Leandro D’Elia, Martin Muravchik, Juan R. Franzese, Luciano Lopez
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133-157
Volcanic stratigraphy and evidence of magma mixing in the Quaternary Payun Matru volcano, andean backarc in western Argentina
Irene R. Hernando, Eduardo J. Llambias, Pablo D. Gonzalez, Kei Sato
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158-179
A Late Eocene age proposal for the Loreto Formation (Brunswick Peninsula, southernmost Chile), based on fossil cartilaginous fishes, paleobotany and radiometric evidence
Rodrigo A. Otero, Teresa Torres, Jacobus P. Le Roux, Francisco Herve, C.Mark Fanning, Roberto E. Yury-Yanez, David Rubilar-Rogers
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180-200
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