18   Artículos

 
en línea
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 ... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
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... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
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... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
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... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
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... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
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... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
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... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
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... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
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... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
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... ver más
Revista: Andean Geology    Formato: Electrónico

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