Results 11 to 20 of about 111 (103)

Morfo-anatomía de perigonio, gineceo y fruto en Trichocereus candicans y T. pseudocandicans (Cactaceae): implicancias taxonómicas y reproductivas.

open access: yesBoletín de la Sociedad Argentina de Botánica, 2020
Introducción y objetivos: Las Sierras de Famatina son un área importante de endemismo, allí conviven dos representantes de Trichocereus, de los que se discute su identidad taxonómica.
Gimena Fernández   +4 more
doaj   +2 more sources

A Comparative Analysis of Seismological and Gravimetric Crustal Thicknesses below the Andean Region with Flat Subduction of the Nazca Plate

open access: yesInternational Journal of Geophysics, Volume 2009, Issue 1, 2009., 2009
A gravimetric study was carried out in a region of the Central Andean Range between 28∘ and 32∘ south latitudes and from 72∘ and 66∘ west longitudes. The seismological and gravimetrical Moho models were compared in a sector which coincides with the seismological stations of the CHARGE project.
Mario E. Gimenez   +4 more
wiley   +1 more source

The dispute over the social license for mining projects in La Rioja, Argentina

open access: yesLetras Verdes: Revista Latinoamericana de Estudios Socioambientales, 2013
Since the beginning of this century, projects of transnational corporations design to extract -in a mega scale- gold, silver, copper, and molybdenum are back to interrogate Famatina Valley, located in the northwest of Argentina, in the province of La ...
Mariana Sola Álvarez
doaj   +1 more source

Lower–Middle Ordovician brachiopods from the Eastern Cordillera of Peru: biostratigraphical and palaeobiogeographical significance [PDF]

open access: yesEstonian Journal of Earth Sciences, 2023
Lower–Middle Ordovician brachiopods are well known from the Central Andean Basin of Argentina and Bolivia, but relatively little data comes from its northern prolongation in the Altiplano and the Eastern Cordillera of Peru.
Jorge Colmenar   +2 more
doaj   +1 more source

“O Famatina não deve ser tocado.” Processos de luta e resistência em torno da exploração do Cerro Famatina, La Rioja, Argentina

open access: yesTempo e Argumento
Nesta pesquisa, propomos analisar o processo de organização, resistência e luta que vem se desenvolvendo nas últimas décadas em Famatina, província de La Rioja, em resposta à instalação da megamineração metalífera.
Mariana Mastrángelo
doaj   +1 more source

Análisis cariotípico de Famatina andina (Phil.) Ravenna (Amaryllidaceae): primer registro de una Hippeastreae sudamericana con constricciones secundarias centroméricas

open access: yesGayana: Botanica, 2020
Bulbs were collected from a population of Famatina andina (Phil.) Ravenna in central Chile. Their chromosomes were analyzed and it was observed that the cariotypic formula and chromosomal number are identical to Famatina cisandina Ravenna.
Carlos Baeza, Jorge Macaya
doaj  

Infraestructura y significado en la dominiación Inka del centro oeste argentino (Coa) extremo austral Oriental del Tawantinsuyu

open access: yesEspacio, Tiempo y Forma. Serie I, Prehistoria y Arqueología, 2008
Con el apoyo de la ANPCyT (SECYT) y del CONICET mediante subsidios, desarrollamos investigaciones arqueológicas y etnohistóricas sobre la dominación inka en el Centro oeste argentino, extremo austral oriental del Tawantinsuyu.
J. Roberto Bárcena
doaj   +1 more source

Estados subnacionales, conflictos socioambientales y megaminería. Reflexiones a partir del análisis de la experiencia del Valle de Famatina, Argentina

open access: yesSociedad y Ambiente, 2016
Este artículo aborda las características singulares del conflicto que tiene lugar a partir de los intentos de explotación minera a cielo abierto en el sistema serrano de Famatina, provincia de La Rioja, poniendo énfasis en la disputa que se genera en ...
Marian Sola Álvarez
doaj   +1 more source

Assembling for Water: The Prefigurative Politics of Land Futures in Argentina

open access: yesAntipode, Volume 57, Issue 6, Page 2213-2240, November 2025.
Abstract As in other areas of Argentina, residents from the Norte Neuquino in the northwestern reaches of Patagonia are concerned about the recent advancements of extractivism onto their territories. Their analysis is clear: the environmental crisis is directly linked to a democratic one, and they engage in a wide range of actions to envision and enact
Mattias Borg Rasmussen   +1 more
wiley   +1 more source

Granitoides paleozoicos de la Sierra de Narváez, Sistema de Famatina, Argentina: Hibridización de magmas en un margen continental activo

open access: yesEstudios Geologicos, 1992
Las rocas que afloran en el extremo septentrional de la Sierra de Narváez están representadas por una asociación de monzogranitos, granodioritas y tonalitas que definen una serie calcoalcalina, de características similares a las de otros intrusivos del ...
C. E. Cisterna
doaj   +1 more source

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