Experimentos y esquemas diacríticos para explorar técnicas de talla unifacial del Holoceno temprano en el noroeste de Santa Cruz
; Nami, Hugo Gabriel 
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Fecha
04/2020
Editorial
Universidad Nacional de Córdoba. Facultad de Filosofía y Humanidades
Revista
Revista del Museo de Antropología
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ISSN
1852-060X
eISSN
1852-4826
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Español
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Resumen
En el registro arqueológico del Holoceno temprano del noroeste de la provincia de Santa Cruz se identificó una modalidad peculiar de manufactura de instrumentos líticos unifaciales. En su secuencia de reducción las formas-bases se preformaron con lascados unifaciales-parcial o totalmente extendidos- y se las finalizaba con retoques escamososcuya profundidad normalmente no excede los ~10 mm. Con el propósito de profundizar en el conocimiento de su manufactura se efectuaron experimentos replicativos y análisis diacríticos de los especímenes experimentales y arqueológicos. Los resultados obtenidos muestran que los lascados total o parcialmente extendidos corresponden a una acción preconcebida y deliberada tendiente a la formatización del soporte y no son accidentales ni resultan de las reactivaciones. Así, se refuerza la posición de que esta manera de confeccionar utensilios correspondería a un estilo técnico compartido por las ocupaciones del Holoceno temprano en la Patagonia centro-meridional.
In the early Holocene archaeological record in Northwest Santa Cruz province, a peculiar modality of manufacture of unifacial lithic artefacts was identified. In its reduction sequence, the flake blanks were flaked by detaching totally or partially covering flakes and then finished by scalar retouches of about 10 mm. In order to deepen in the knowledge of its manufacture, replicative experiments, and diacritic analysis were performed on the experimental and archaeological specimens. The obtained results show that the totally or partially covering flake-scars correspond to a preconceived and deliberate action tending to shape the flake blank and are not accidental or result from the resharpening. In this way, the research reinforced that this way of making artefacts may correspond to a technical style shared by the early Holocene occupations in central-southern Patagonia.
In the early Holocene archaeological record in Northwest Santa Cruz province, a peculiar modality of manufacture of unifacial lithic artefacts was identified. In its reduction sequence, the flake blanks were flaked by detaching totally or partially covering flakes and then finished by scalar retouches of about 10 mm. In order to deepen in the knowledge of its manufacture, replicative experiments, and diacritic analysis were performed on the experimental and archaeological specimens. The obtained results show that the totally or partially covering flake-scars correspond to a preconceived and deliberate action tending to shape the flake blank and are not accidental or result from the resharpening. In this way, the research reinforced that this way of making artefacts may correspond to a technical style shared by the early Holocene occupations in central-southern Patagonia.
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