The procurement and use of knappable glassy volcanic raw material from the late Pleistocene Pilauco site, Chilean Northwestern Patagonia

In this study we used a multidisciplinary approach, coupling morphological, geological, geochemical, and statistical analyses to investigate the provenance of rhyodacitic and dacitic glass knapped at the Pilauco site (40°34′11” S, 73°06′17” W; 13,570 ± 70–12,540 ± 90 14C year BP) in northwestern Chi...

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Autores: Navarro-Harris, Ximena, Guzmán‐Marín, Pedro, Lira, María Paz, Labarca, Rafael, Corgne, Alexandre
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2019
País:Chile
OAI Identifier:oai:repositorio.anid.cl:10533/236461
Acceso en línea:https://hdl.handle.net/10533/236461
Access Level:acceso abierto
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dc.title.es_CL.fl_str_mv The procurement and use of knappable glassy volcanic raw material from the late Pleistocene Pilauco site, Chilean Northwestern Patagonia
dc.title.journal.es_CL.fl_str_mv Geoarchaeology (PRINT)
title The procurement and use of knappable glassy volcanic raw material from the late Pleistocene Pilauco site, Chilean Northwestern Patagonia
spellingShingle The procurement and use of knappable glassy volcanic raw material from the late Pleistocene Pilauco site, Chilean Northwestern Patagonia
Navarro-Harris, Ximena
title_short The procurement and use of knappable glassy volcanic raw material from the late Pleistocene Pilauco site, Chilean Northwestern Patagonia
title_full The procurement and use of knappable glassy volcanic raw material from the late Pleistocene Pilauco site, Chilean Northwestern Patagonia
title_fullStr The procurement and use of knappable glassy volcanic raw material from the late Pleistocene Pilauco site, Chilean Northwestern Patagonia
title_full_unstemmed The procurement and use of knappable glassy volcanic raw material from the late Pleistocene Pilauco site, Chilean Northwestern Patagonia
title_sort The procurement and use of knappable glassy volcanic raw material from the late Pleistocene Pilauco site, Chilean Northwestern Patagonia
dc.creator.none.fl_str_mv Navarro-Harris, Ximena
Guzmán‐Marín, Pedro
Lira, María Paz
Labarca, Rafael
Corgne, Alexandre
author Navarro-Harris, Ximena
author_facet Navarro-Harris, Ximena
Guzmán‐Marín, Pedro
Lira, María Paz
Labarca, Rafael
Corgne, Alexandre
author_role author
author2 Guzmán‐Marín, Pedro
Lira, María Paz
Labarca, Rafael
Corgne, Alexandre
author2_role author
author
author
author
description In this study we used a multidisciplinary approach, coupling morphological, geological, geochemical, and statistical analyses to investigate the provenance of rhyodacitic and dacitic glass knapped at the Pilauco site (40°34′11” S, 73°06′17” W; 13,570 ± 70–12,540 ± 90 14C year BP) in northwestern Chilean Patagonia. A morphotechnological analysis was performed on the entire lithic assemblage, which is composed of cores, retouched and unretouched unifacial flakes, and small pieces of debitage, some of them closely associated with Notiomastodon aff. N. platensis gomphothere bones. Sixty‐two archeological and geological samples were analyzed by inductively coupled plasma mass spectrometry revealing a wide range of basaltic to rhyodacitic compositions. The archeological knappable dacitic and rhyodacitic glasses were recovered from pebbles deposited mainly on a beach away from the site, as deduced by the presence of minute and dense crescentic percussion marks on the cortexes. Geochemical trace element analysis suggests that the Puyehue–Cordón Caulle Volcanic Complex is the most likely source for the volcanic glass artifacts at Pilauco. The new morphotechnological and provenance record and improved stratigraphic sequences highlight the Pilauco site as an important contribution for the diversity of the South American geoarchaeological context.
publishDate 2019
dc.date.accessioned.none.fl_str_mv 2019-08-14T12:55:59Z
2022-07-07T21:52:00Z
dc.date.available.none.fl_str_mv 2019-08-14T12:55:59Z
2022-07-07T21:52:00Z
dc.date.issued.es_CL.fl_str_mv 2019
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spelling Corgne, AlexandreLabarca, RafaelLira, María PazGuzmán‐Marín, PedroNavarro-Harris, Ximena201910.1002/gea.21736https://hdl.handle.net/10533/236461http://purl.org/coar/access_right/c_abf2The procurement and use of knappable glassy volcanic raw material from the late Pleistocene Pilauco site, Chilean Northwestern PatagoniaNavarro-Harris, XimenaGuzmán‐Marín, PedroLira, María PazLabarca, RafaelCorgne, Alexandre2019-08-14T12:55:59Z2022-07-07T21:52:00Z2019-08-14T12:55:59Z2022-07-07T21:52:00Z2019In this study we used a multidisciplinary approach, coupling morphological, geological, geochemical, and statistical analyses to investigate the provenance of rhyodacitic and dacitic glass knapped at the Pilauco site (40°34′11” S, 73°06′17” W; 13,570 ± 70–12,540 ± 90 14C year BP) in northwestern Chilean Patagonia. A morphotechnological analysis was performed on the entire lithic assemblage, which is composed of cores, retouched and unretouched unifacial flakes, and small pieces of debitage, some of them closely associated with Notiomastodon aff. N. platensis gomphothere bones. Sixty‐two archeological and geological samples were analyzed by inductively coupled plasma mass spectrometry revealing a wide range of basaltic to rhyodacitic compositions. The archeological knappable dacitic and rhyodacitic glasses were recovered from pebbles deposited mainly on a beach away from the site, as deduced by the presence of minute and dense crescentic percussion marks on the cortexes. Geochemical trace element analysis suggests that the Puyehue–Cordón Caulle Volcanic Complex is the most likely source for the volcanic glass artifacts at Pilauco. 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