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Luis Spalletti,Ferrán Colombo
Pág. 471 - 489
The Huarenchenque Formation is a volcano sedimentary unit deposited to the east of the Plio-Quaternary Andean Magmatic Arc. In order to define depositional settings, two lithofacies associations (fluvial and pyroclastic) were defined. The fluvial facies ...
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Alejandro R. Gómez Dacal,Lucía E. Gómez Peral,Luis A. Spalletti,Alcides N. Sial,Aron Siccardi,Daniel G. Poiré
Pág. 111 - 129
The Tithonian-Valanginian time interval in the Mendoza Shelf (Neuquén Basin, Argentina) is well exposed in the Río Salado, Puesto Loncoche and Cuesta del Chihuido sedimentary sections. From those localities, more than fifty preserved oyster shells of the...
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Luis A. Spalletti, Carlos O. Limarino
Pág. 328 - 338
The end of the Permian period is marked by global warming and the biggest known mass extinction
on Earth. The crisis is commonly attributed to the formation of large igneous provinces because continental volcanic
emissions have the potential to control a...
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Luis A. Spalletti,Ernesto Schwarz,Gonzalo D. Veiga
Pág. 401 - 435
This study presents and discusses inorganic geochemical data from the basal Vaca Muerta Formation, deposited during the early Tithonian marine transgression of the Neuquén Basin. This interval is associated with high preservation of organic matter and is...
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Luis A. Spalletti,Gonzalo D. Veiga,Juan R. Franzese
Pág. 521 - 538
The siliciclastic deposits of the Rancahué Formation (Oligocene, Aluminé Basin), formed in the eastern side of the Andean Cordillera (70ºW y 39ºS) are studied to evaluate the relationship among different depositional systems in volcanic settings and to d...
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Luis A. Spalletti,Horacio Parent,Gonzalo D. Veiga,Ernesto Schwarz
Pág. 464 - 481
This paper deals with the stratigraphy, the systematics of the ammonitefaunas and the biostratigraphy of the Cuyo Group in the Sierra de Reyes (southern Mendoza Province, Argentina). The230 m-thick marine siliciclastic succession of the Cuyo Group is com...
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Gonzalo D. Veiga,Ernesto Schwarz,Luis A. Spalletti
Pág. 171 - 197
Integration of outcrop and subsurface information. A stratigraphic, palaeoenvironmental and sequence stratigraphic analysis of the Lotena Formation (upper Callovian-lower Oxfordian) is presented for an area of 2.500 km2 in the central portion of the Neuq...
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Carlos O. Limarino,Luis A. Spalletti,Ferrn Colombo Piol
Pág. 121 - 143
The Carboniferous sequences (lower section of the Paganzo Group) outcroping in the central part of the Sierra de Narvez (Las Angosturas area, northwest Argentina) are described in this paper. From the regional point of view, two major Carboniferous seque...
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Luis A. Spalletti,Ana Maria Zavattieri
Pág. 236 - 263
The Triassic Santa Clara depocenter, Cuyo Basin, is characterised by thick fine-grained deposits formed in lacustrine systems. One of them, represented by the Mollar Formation, exceeds the 345 m. The lower to middle section of this unit is dominated by a...
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Luis A. Spalletti,Eduardo M. Morel,Analia E. Artabe,Ana M. Zavattieri,Daniel Ganuza
New exposures of the classic Triassic localities of cerro Bayo and cerro Cocodrilo (Potrerillos, northwestern Mendoza province, Argentina) allowed to: (1) describe the stratigraphic architecture of the Río Mendoza, Cerro de Las Cabras, Potrerillos and Ca...
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