Distribución de fragmentos cerámicos prehispánicos en abanicos aluviales de regiones áridas del Noroeste Argentino (valle de Yocavil)
; Lefebvre, Maria Gisela
; Sampietro Vattuone, Maria Marta 
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Fecha
09/2024
Editorial
Centro de Estudios Históricos "Prof. Carlos S. A. Segreti"
Revista
Comechingonia
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2250-7728
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Español
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En este artículo examinamos la incidencia de la escorrentía superficial en la visibilidad, preservación y distribución espacial de fragmentos cerámicos prehispánicos (ca. 100-1.535 d.C.) en abanicos aluviales de la Sierra de Quilmes (Noroeste Argentino), para evaluar la validez de patrones espaciales de ocupación establecidos en parte en base a ellos. Se prospectó uniendo ladera-piedemonte-fondo del valle con recolección de superficie, se realizaron sondeos y los lugares arqueológicos documentados se representaron cronológicamente diferenciados en mapas geomorfológico e hidrográfico. Finalmente se analizaron macroscópicamente trazas de arrastre hídrico en los fragmentos cerámicos. Los resultados evidenciaron que los tiestos son más frecuentes en las partes proximales y distales de los abanicos, y disminuyen marcadamente en los sectores medios eliminados por escorrentía superficial y canalización a través de las cárcavas, luego de un corto recorrido. Sin embargo, las alteraciones formales por desplazamientos son uniformemente leves entre esos sectores, y hay correspondencia espacial y cronológico-estilística entre los conjuntos superficiales y subsuperficiales. Consecuentemente, la distribución cerámica refleja la estructuración espacial arqueológica a escalas de localidad y microregión, aún bajo condiciones de erosión / sedimentación hídrica y eólica espacialmente diferenciadas favorecidas por la aridez, diferencias de pendientes y de cobertura vegetal.
Sierra de Quilmes (Northwest of Argentina) to evaluate the validity of spatial patterns of occupation based in part on them. Archaeological surveys across the slope-foothill-bottom of the valley with surface collection and pits were made. Archaeological places were located and chronologically differentiated in geomorphological and hydrological maps. Finally, traces of hydric displacement in the ceramic fragments were macroscopically analyzed. The results show, that pottery sherds were mainly found in the proximal and distal parts of the fans, but they markedly decrease in the middle sectors, eliminated by runoff and channeled through the gullies after a short distance displacement. However, formal modifications of the sherds due to displacement are uniformly slight in all three sectors, and, importantly, there are spatial and chronological-stylistic correspondences between surface and pit assemblages. Consequently, the pottery distribution reflects the archaeological spatial structure at local and microregional scales, even under spatially differentiated water and wind erosion / sedimentation, favored by aridity, differences in slopes and vegetation cover.
Sierra de Quilmes (Northwest of Argentina) to evaluate the validity of spatial patterns of occupation based in part on them. Archaeological surveys across the slope-foothill-bottom of the valley with surface collection and pits were made. Archaeological places were located and chronologically differentiated in geomorphological and hydrological maps. Finally, traces of hydric displacement in the ceramic fragments were macroscopically analyzed. The results show, that pottery sherds were mainly found in the proximal and distal parts of the fans, but they markedly decrease in the middle sectors, eliminated by runoff and channeled through the gullies after a short distance displacement. However, formal modifications of the sherds due to displacement are uniformly slight in all three sectors, and, importantly, there are spatial and chronological-stylistic correspondences between surface and pit assemblages. Consequently, the pottery distribution reflects the archaeological spatial structure at local and microregional scales, even under spatially differentiated water and wind erosion / sedimentation, favored by aridity, differences in slopes and vegetation cover.
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