Results 131 to 140 of about 1,094 (163)

Geomorphological features and processes in the Sierra de Famatina, La Rioja

open access: yesJournal of South American Earth Sciences, 2018
Abstract The Sierra de Famatina is considered the highest elevation outside the Argentine Andes Cordillera, being the General Belgrano hill, 6097 masl, the main height. This altitudinal situation favored the development of glaciers during the cold events of the cyclical Quaternary climatic fluctuations, giving shape to a territory with very complex ...
Oscar Juarez
exaly   +3 more sources
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Ordovician Volcanism in the Northern Famatina System

2020
The Suri–Las Planchadas Volcanic–Sedimentary Complex at the northwestern of the Famatina System, Famatinian Orogen, comprises an Early to Medium Arenigian submarine and subaerial succession with a variety of mafic to felsic volcanic lithofacies. The architecture of these units includes mafic to intermediate submarine massive-hyaloclastic flows, felsic ...
Beatriz L. L. Coira   +1 more
openaire   +1 more source

The Early Palaeozoic magmatic record of the Famatina System: a review

Geological Society, London, Special Publications, 1998
Abstract The Famatina System is an elongated geomorphological zone between the Eastern and Western Sierras Pampeanas, characterized by important Ordovician volcanism. The basement consists mainly of a sedimentary protolith, metamorphosed to low grade during the Pampean orogeny (Early-Mid-Cambrian), together with sparse outcrops of high-grade ...
J. Saavedra   +4 more
openaire   +1 more source

New Endemic Iguanid Lizards from the Famatina Mountains of Western Argentina [PDF]

open access: yesJournal of Herpetology, 1980
The first herpetological information on the Sierra de Famatina massif (6250 m), La Rioja Province, Argentina, includes two new species of Phymaturus and Liolaemus living at altitudes from 3600 to 4200 m. Taxonomic and ecological relationships between these isolated tropidurine iguanids and nearby related species from the Cordilleran highlands are ...
exaly   +3 more sources

The evolution of a mid-crustal thermal aureole at Cerro Toro, Sierra de Famatina, NW Argentina [PDF]

open access: yesLithos, 2014
A sheeted tonalite complex at Cerro Toro in western Sierra de Famatina, Argentina, was emplaced in the middle crust during an early phase of the Ordovician Famatinian orogeny. The intrusion produced a large-scale thermal aureole that provoked significant melting of the host rocks and hybridization of the anatectic melts with the tonalitic magmas. Three
Cesar Casquet Martín   +2 more
exaly   +5 more sources

The inheritance of resistance to the golden nematode (Heterodera rostochiensis) in Solanum famatinae and S. neohawkesii

American Potato Journal, 1969
Resistance to the Long Island race of the Golden Nematode in one clone ofS. neohawkesii appears to be produced by one single dominant gene. The resistance in two clones ofS. famatinae likewise appears to be produced by a single dominant gene.
D. A. Momeni   +3 more
openaire   +1 more source

EARLY ORDOVICIAN (ARENIG) BRACHIOPODS FROM VOLCANICLASTIC ROCKS OF THE FAMATINA RANGE, NORTHWEST ARGENTINA

Journal of Paleontology, 2003
This paper constitutes the first monographical study of the rich brachiopod faunas from the Early Ordovician Suri and Molles Formations of the central Famatina Range, which form a nearly continuous, more than 2,000 m thick succession of fossiliferous clastic and volcaniclastic rocks.
openaire   +2 more sources

Chitinozoans and acritarchs from the Ordovician peri-Gondwana volcanic arc of the Famatina System, northwestern Argentina

Review of Palaeobotany and Palynology, 2006
Abstract The Early Ordovician Suri and Molles formations of the Famatina Group in northwestern Argentina contain distinct assemblages of acritarchs and chitinozoans. The lower Suri Formation yields peri-Gondwana organic microfossils. The acritarch microflora consists of typical cold-water taxa such as Arbusculidium filamentosum , Striatotheca and
Aicha Achab   +2 more
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Porphyry and High-Sulfidation Epithermal Mineralization in the Nevados Del Famatina Mining District, Argentina

1998
Abstract This paper discusses the possible genetic relationship between two ore deposits in the Nevados del Famatina mining district, Argentina: Nevados del Famatina Cu-Mo-Au porphyry deposit and La Mejicana Cu-Au high-sulfidation epithermal deposit.
A. J. Losada-CalderÓN, D. C. MCPhail
openaire   +1 more source

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