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      LA ARQUEOFAUNA DEL CAMPO VOLCÁNICO PALI AIKE: EL SITIO OREJAS DE BURRO 1, SANTA CRUZ, ARGENTINA Translated title: THE ARCHAEOFAUNAL RECORD OF THE PALI AIKE LAVA FIELD: THE OREJAS DE BURRO 1 SITE, SANTA CRUZ PROVINCE, ARGENTINA

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          Abstract

          El objetivo de este trabajo es presentar el análisis arqueofaunístico del conjunto de materiales recuperados en el sitio Orejas de Burro 1 (OB1), sector meridional del campo de lava Pali Aike (CVPA) -Santa Cruz, Argentina-. Se analizaron dos sectores excavados de forma independiente, uno correspondiente a un área de entierro situada hacia el fondo de la cueva y otro a un sondeo realizado en un espacio no alterado antropicamente contiguo al enterratorio. Desde un punto de vista temporal, se separaron dos conjuntos correspondientes al Holoceno tardío inicial (ca. 3.500 años 14C AP) y al Holoceno tardío final (ca. 1.700-500 años 14C AP). Los resultados obtenidos mostraron diferencias significativas en la representación de variables tafonómicas y de frecuencias y diversidad de especies por sectores excavados y por bloques temporales. En particular, se evidencia un uso más intenso de la cueva hacia el 3.500 años AP, coincidiendo con una mayor representación de especies procedentes de la costa del estrecho de Magallanes (moluscos; aves de ambiente marino/costero), las cuales habrían sido explotadas en el marco de movimientos logísticos por parte de grupos cazadores del interior.

          Translated abstract

          The aim of this paper is to present the results of the archaeofaunal analysis carried out on bone materials recovered at the Orejas de Burro archaeological site (OB1), in the Pali Aike lava field (“CVPA”), Santa Cruz, Argentina. Two independently excavated sectors were considered, one corresponding to a burial area located at the bottom of the cave, and the other one corresponding to a test pit placed next to the burial area. Chronologically, two assemblages were identified, the first one corresponding to the early Late Holocene (ca. 3.500 14C years BP), and the second one to the later Late Holocene (ca. 1.700-500 años 14C AP). The obtained results show statistically significant differences in the manifestation of taphonomic variables and in the frequency and diversity of faunal species both, spatially and temporally. In particular, a more intensive use of the cave at around 3.500 14C years BP is inferred, coincidental with a higher representativeness of coastal taxa like mollusk and sea/coastal birds. Such species may have been exploited during logistic movements to the Magellan strait carried out by hunter gatherers from the inland.

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          Taphonomic and ecologic information from bone weathering

          Bones of recent mammals in the Amboseli Basin, southern Kenya, exhibit distinctive weathering characteristics that can be related to the time since death and to the local conditions of temperature, humidity and soil chemistry. A categorization of weathering characteristics into six stages, recognizable on descriptive criteria, provides a basis for investigation of weathering rates and processes. The time necessary to achieve each successive weathering stage has been calibrated using known-age carcasses. Most bones decompose beyond recognition in 10 to 15 yr. Bones of animals under 100 kg and juveniles appear to weather more rapidly than bones of large animals or adults. Small-scale rather than widespread environmental factors seem to have greatest influence on weathering characteristics and rates. Bone weathering is potentially valuable as evidence for the period of time represented in recent or fossil bone assemblages, including those on archeological sites, and may also be an important tool in censusing populations of animals in modern ecosystems.
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            The Pali Aike Volcanic Field, Patagonia: slab-window magmatism near the tip of South America

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              Arqueología y biogeografía humana en Patagonia meridional

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                Author and article information

                Journal
                magallania
                Magallania (Punta Arenas)
                Magallania
                Universidad de Magallanes. Instituto de la Patagonia. Centro de Estudios del Hombre Austral (Punta Arenas, , Chile )
                0718-2244
                June 2008
                : 36
                : 1
                : 65-78
                Affiliations
                [01] Buenos Aires orgnameDIPA orgdiv1IMHICIHU orgdiv2CONICET Argentina lorenalheureux@ 123456yahoo.com.ar
                Article
                S0718-22442008000100006 S0718-2244(08)03600100006
                e1c4c6f0-1692-455a-8308-fbd4c81b6486

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 01 January 2008
                : 23 May 2008
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 14, Pages: 14
                Product

                SciELO Chile

                Categories
                ARTÍCULOS

                Holoceno tardío,Pali Aike,cazadores-recolectores,arqueofauna,Late Holocene,hunter-gatherer,archaeofaunal record

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