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Damián Groch,Verónica Gil,Marisa Gloria Cogliati,Micaela Virginia Medina,Michel Jaboyedoff
Pág. 372 - 386
Because of their social, ecological, and economic impacts, landslides are an issue of global concern. Episodes occurring worldwide have been associated with natural and human causes, although the latter have been poorly explored. Despite recent scientifi...
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María Josefina Pons,Juan Mendiberri,Martín Arce,Gerson Alan Greco,Telma B. Musso,María Lis Fernández,Natalia Hauser,Pamela Aparicio González
Pág. 93 - 126
The Sofía-Julia-Valencia vein system, located in the Andacollo mining district in central west Argentina, is hosted by ENE-WSW oriented strike-slip faults which are the result of reactivation of normal faults affecting Carboniferous to Jurassic rocks dur...
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Lucía Inés Martín,Denis Marchal,Silvia Barredo,Claudio Naides,Silvia Blanco
Pág. 345 - 381
The fissility is the ability of some rocks to split along relatively smooth surfaces parallel to the bedding. This property observed mostly in fine-grained rocks is particularly expressed in outcrops, where rocks are subjected to weathering processes. Mo...
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Ricardo Gómez,Maisa Tunik,Silvio Casadío
Pág. 256 - 274
The Upper Cretaceous nonmarine deposits of the Neuquén Basin have an important regional exposure. These deposits are included in the Neuquén Group, a well-studied unit in both the south and central part of the basin. However, the northernmost exposed bet...
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Juan Manuel Cabrera,Pedro Félix Temporetti,Fernando Luis Pedrozo
Pág. 46 - 60
Lake Caviahue, in Patagonia (Argentina), is a very acid water body (Patagonia, Argentina) due to the influx of volcanic fluids. Over the past 18 years, the lake has been progressively alkalinizing and pH is close to the ferric iron precipitation threshol...
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Nerina Canale,Juan José Ponce,Noelia B. Carmona,Martín N. Parada,Daniel I. Drittanti
Pág. 179 - 206
Sedimentologic and ichnologic analysis of the Middle Jurassic Lajas Formation in Bajada de Los Molles area allow recognizing upper offshore-lower shoreface deposits in transition to prodelta, delta front and interdistributary bay succesions. This system ...
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Germán Otharán,Carlos Zavala,Mariano Arcuri,Mariano Di Meglio,Agustín Zorzano,Denis Marchal,Guillermina Köhler
Pág. 384 - 417
The conventional sedimentological model suggests that the accumulation of organic-rich fine-grained sedimentary rocks (<62.5 µm) is uniquely associated with fallout processes in low energy depositional environments. This contribution analyzes organic-...
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Elena Previtera
Pág. 345 - 367
The uppermost Cretaceous continental deposits of the Neuquén Basin (west-central Argentina) have yielded a high diversity vertebrate assemblage, including numerous dinosaur species. The Neuquén Group is the richest unit in remains of dinosaur of the basi...
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Carolina Náñez,Norberto Malumián
Pág. 183 - 210
At the Bajada del Jagüel and Opaso sections (Añelo low, Neuquén basin), the Maastrichtian to Danian mudstones of the Jagüel Formation, are overlain by a succession of ostreid coquinas, sandstones, and mudstones. This succession has been usually referred ...
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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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