Results 21 to 30 of about 5,277 (203)
Tectonics, Volume 42, Issue 2, February 2023., 2023 Abstract The Andean Plateau of north‐western Argentina (Puna) at a mean elevation of ca. 4.2 km constitutes the southern continuation of the Altiplano; it is a compressional basin‐and‐range province comprising fault‐bounded, high‐elevation mountain ranges and largely internally drained basins with often thick sedimentary and volcaniclastic fill ...
Heiko Pingel +7 more
wiley +1 more source
Estudios Geologicos, 1992 La Formación Chango Real (sierras de Culampajá y Papachacra) es parte del magmatismo paleozoico de las Sierras Pampeanas noroccidentales (NW de la Argentina).
J. E. Lazarte
doaj +1 more source
Tectonic overview of the West Gondwana margin [PDF]
, 2008 The oceanic southern margin of Gondwana, from southern South America through South Africa, West Antarctica, New Zealand (in its pre break-up position), and Victoria Land to Eastern Australia is one of the longest and longest-lived active continental ...
Pankhurst, Robert J., Vaughan, Alan P.M.
core +1 more source
Tectonics, Volume 41, Issue 8, August 2022., 2022 Abstract Within the Central Andes of NW Argentina, the spatiotemporal distribution and style of deformation is strongly influenced by pre‐Cenozoic heterogeneities, mostly related to the Salta rift extension in the Cretaceous. At the enigmatic junction of the thin‐skinned Subandean belt and the thick‐skinned Santa Barbara System, the Tilcara Range and ...
Willemijn S. M. T. van Kooten +4 more
wiley +1 more source
Estudios Geologicos, 2005 Las sierras de Velasco, Copacabana y Paimán, en el ambiente de Sierras Pampeanas, están constituidas principalmente por cuerpos plutónicos del Paleozoico inferior, relacionados con el ciclo Famatiniano (Granitos Huaco, Antinaco y Paimán) y por rocas ...
J. P. López +3 more
doaj +1 more source
Journal of Maps, 2023 The aim of this paper is to present a detailed geomorphological map of the western piedmont of Cumbres Calchaquíes (Tucumán Province, NW Argentina) bounded by the Amaicha River to the south and the administrative border with Salta Province to the north ...
María Marta Sampietro-Vattuone +1 more
doaj +1 more source
One kilometre-thick ultramylonite, Sierra de Quilmes, Sierras Pampeanas, NW Argentina
Journal of Structural Geology, 2015 Abstract We describe a 1 km-thick ultramylonite forming the high strain base of the >3.5 km-thick El Pichao shear zone in the Sierra de Quilmes. This shear zone thrusted granulite facies migmatites onto amphibolite facies rocks during the 470 Ma Famatinian orogeny.
M.A. Finch +4 more
openaire +3 more sources
Iheringia: Série Zoologia, 2015 The genus Bostryx Troschel, 1847 is endemic to South America, extending from Ecuador to Chile and Argentina. The southernmost Argentinian species of the genus that inhabit San Luis, San Juan and Mendoza provinces, specially the pre-Andes, Andes and ...
María José Miranda
doaj +1 more source
Revista del Museo de Antropologia, 2017 El objetivo general de este trabajo es el de contribuir con nueva información arqueológica que aporte a un modelo paleoecológico general para las Sierras Pampeanas Australes desde un caso de estudio: el valle de Ongamira, donde han sido planteados ...
Andrés D. Izeta +3 more
doaj +1 more source
Neoproterozoic A-type magmatism in the Western Sierras Pampeanas (Argentina): evidence for Rodinia break-up along a proto-Iapetus rift? [PDF]
, 2006 A-type orthogneisses of mid Neoproterozoic age (774 ± 6 Ma, U-Pb SHRIMP zircon age), are reported for the first time from the Grenvillian basement of the Western Sierras Pampeanas in Argentina. These anorogenic meta-igneous rocks represent the latest
Baldo, Edgardo G. +7 more
core +1 more source