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dc.contributor.author
Franco, Nora Viviana
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dc.contributor.author
Brook, Gabriela Edith
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dc.contributor.author
Cirigliano, Natalia Andrea
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dc.contributor.author
Stern, C. R.
dc.contributor.author
Vetrisano, Lucas Javier
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dc.date.available
2018-05-07T14:50:19Z
dc.date.issued
2017-04
dc.identifier.citation
Franco, Nora Viviana; Brook, Gabriela Edith; Cirigliano, Natalia Andrea; Stern, C. R.; Vetrisano, Lucas Javier; 17 de Marzo (Santa Cruz, Argentina): A new distal source of Pampa del Asador type black obsidian and its implications for understanding hunter-gatherer behavior in Patagonia; Elsevier; Journal of Archaeological Science: Reports; 12; 4-2017; 232-243
dc.identifier.issn
2352-409X
dc.identifier.uri
http://hdl.handle.net/11336/44289
dc.description.abstract
Most obsidian artifacts from central and southern Patagonia were made of black obsidian from Pampa del Asador (PDA), an extended secondary source area centered at approximately 47°55′S and 71°08′W. Artifacts of obsidian from PDA have been found <600 km to both the northeast and south and along the Atlantic coast 300 km to the east of this major source area. Here we report a newly -discovered distal source of PDA- type black obsidian pebbles at 17 de Marzo (17M) located ~170 km southeast of the main PDA source area. ICP-MS trace element data confirm that the relatively small (≤48 mm) black obsidian pebbles from 17M are chemically similar to the four different types of PDA black obsidian. The dimensions of the pebbles compared to the sizes of PDA obsidian artifacts from archaeological sites in the vicinity of 17M, which date from as early as the late Pleistocene-Holocene transition, indicate that early hunter-gatherers could have used the pebbles from this distal secondary source of PDA obsidian to make tools. The pebbles appear to have been transported by fluvial-glacial processes along an ancient Chico River valley to their present site. 17M is part of the "Patagonian Gravel" deposits, which are widespread along the present Chico River valley suggesting that other distal PDA obsidian pebble sites along the river valley may possibly await discovery. The potential widespread availability of PDA obsidian pebbles along the Chico River drainage valley may help to explain why so many artifacts in this area were made of black PDA obsidian. Results obtained indicate that we can no longer assume that hunter-gatherers obtained raw PDA-type black obsidian only from PDA specific source. Black obsidian may have also been available, perhaps in pockets, over a considerable area east and up to ~170 km distant southeast of PDA.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Black Obsidian Source
dc.subject
Obsidian Trace Element Chemistry
dc.subject
Pampa del Asador
dc.subject
Patagonia
dc.subject
Hunter-Gatherers
dc.subject.classification
Historia
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dc.subject.classification
Historia y Arqueología
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dc.subject.classification
HUMANIDADES
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dc.title
17 de Marzo (Santa Cruz, Argentina): A new distal source of Pampa del Asador type black obsidian and its implications for understanding hunter-gatherer behavior in Patagonia
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-04-27T20:12:49Z
dc.journal.volume
12
dc.journal.pagination
232-243
dc.journal.pais
Países Bajos
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dc.description.fil
Fil: Franco, Nora Viviana. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Saavedra 15. Instituto Multidisciplinario de Historia y Ciencias Humanas; Argentina
dc.description.fil
Fil: Brook, Gabriela Edith. University of Georgia; Estados Unidos
dc.description.fil
Fil: Cirigliano, Natalia Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Filosofía y Letras; Argentina
dc.description.fil
Fil: Stern, C. R.. State University of Colorado Boulder; Estados Unidos
dc.description.fil
Fil: Vetrisano, Lucas Javier. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Filosofía y Letras; Argentina
dc.journal.title
Journal of Archaeological Science: Reports
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.jasrep.2017.01.037
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S2352409X16304801
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