Results 21 to 30 of about 656 (110)

Isotopic Evidence for Marine Consumption and Mobility in the Atacama Desert (Quillagua, Northern Chile)

open access: yesInternational Journal of Osteoarchaeology, 2016
AbstractArchaeological research in the Atacama Desert has recovered evidence of considerable cultural variability. This variability seems to have increased during the Late Intermediate Period (AD 950–1400). The oasis of Quillagua, located at the margins of the Loa River in northern Chile, between the Andes and the coast (70 km from the Pacific Ocean ...
Francisca Santana-Sagredo   +2 more
semanticscholar   +3 more sources

Conflictos ambientales y respuestas sociales: el caso de reetnificación de la comunidad de Quillagua

open access: yesRevista MAD, 2011
En el presente artículo se analiza la relación que existe entre el problema ambiental, ocasionado por la contaminación y presión que ejercen las mineras sobre la cuenca del curso medio del río Loa, y el surgimiento de la comunidad indígena de Quillagua, hecho que posibilita a su vez la aparición de un conflicto ambiental, a partir de las posibilidades ...
B. Torres
semanticscholar   +4 more sources

LA ALFARAERÍA DE QUILLAGUA EN EL CONTEXTO FORMATIVO DEL NORTE GRANDE DE CHILE (1.000 a.C. - 500 d.C.)

open access: yesChungará (Arica), 2004
Resumen es: Resultados preliminares de las investigaciones realizadas en el oasis de Quillagua en el Norte Grande de Chile evidencian que este espacio fue ocupado po...
M. Rodríguez, Patricia Ayala Rocabado
semanticscholar   +3 more sources

The interior frontier: Exchange and interculturation in the Formative period (1000 B.C.-A.D. 400) of Quillagua, Antofagasta region, northern Chile

open access: yesQuaternary International, 2019
While the village of Quillagua, a riparian oasis in the hyperarid Atacama Desert of northern Chile, is of limited modern importance, there is strong evidence to support the contention that during different prehistoric periods the village was a frontier ...
W. Pestle   +5 more
semanticscholar   +3 more sources

Late Neogene lacustrine record and palaeogeography in the Quillagua–Llamara basin, Central Andean fore-arc (northern Chile)

open access: yesPalaeogeography, Palaeoclimatology, Palaeoecology, 1999
The Cenozoic Quillagua-Llamara basin (northern Chile, Central Andes) is an asymmetrical, intramassif fore-arc basin with a relatively wide northern sector separated from a narrower southward extension by a basement threshold. The north- ern sector was characterised by a noticeable Oligocene?-late Neogene alluvial-fan and lacustrine dominated deposition
A. Sáez   +3 more
semanticscholar   +3 more sources

Evidence for multiple Plio-Pleistocene lake episodes in the hyperarid Atacama Desert [PDF]

open access: yes, 2018
Cosmogenic nuclide exposure dating of ancient shoreline terraces of the Quillagua-Llamara Soledad Lake in the central Atacama Desert of northern Chile provides new insights in the paleohydrology of the driest desert on Earth.
Binnie, Steven A.   +4 more
core   +2 more sources

Spatiotemporal Assessment of As, Cd, and Cu Concentrations in the <63 µm Fraction of Loa River Basin Sediments: Implications for Sediment Quality in the Atacama Desert

open access: yesLand
The Atacama Desert in northern Chile is characterized by its naturally high metal concentrations; however, human activities have significantly increased their availability and concentration in aquatic environments.
Nataly Lobos-Parra   +2 more
doaj   +2 more sources

Estudio indirecto del sistema de fecundación en una población natural de Prosopis flexuosa (Fabaceae) del Desierto de Atacama, provincia de El Loa (Chile)

open access: yesBoletín de la Sociedad Argentina de Botánica
Introducción y Objetivos: En el desierto de Atacama ciertas plantas viven aisladas y acotadas a regiones con disponibilidad de agua. La conectividad dentro y entre poblaciones depende de las barreras impuestas por el paisaje y de su capacidad de ...
Catalina Chan   +5 more
doaj   +2 more sources

Minería industrial y estructuras agrarias “locales” en el desierto de Atacama. Genealogía de una crisis agrícola (Quillagua, s.XIX-XXI)

open access: yesEstudios Atacameños, 2016
El artículo presenta una revisión de la producción agropecuaria del oasis de Quillagua (II región de Antofagasta, Chile) basada en antecedentes históricos y etnográficos, centrando especialmente la mirada en su articulación con las dinámicas económicas ...
Javier Carmona Y.
doaj   +8 more sources

Oxalate formation under the hyperarid conditions of the Atacama desert as a mineral marker to provide clues to the source of organic carbon on Mars [PDF]

open access: yes, 2016
In this study, we report the detection and characterization of the organic minerals weddellite (CaC2O4 · 2H2O) and whewellite (CaC2O4 · H2O) in the hyperarid, Mars-like conditions of the Salar Grande, Atacama desert, Chile.
Applin, D.M.   +9 more
core   +1 more source

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