ARCHAEOLOGICAL AGE ESTIMATION BASED ON OBSIDIAN HYDRATION DATA FOR TWO SOUTHERN ANDEAN SOURCES

Obsidian is abundant in archaeological sites throughout Mendoza Province, Argentina but no obsidian hydration rates exist to date these assemblages. Direct dating of obsidian artifacts is particularly important in west-central Argentina because the surface record is extensive but well-defined time m...

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Autores principales:	Garvey,Raven, Carpenter,Tim, Gil,Adolfo, Neme,Gustavo, Bettinger,Robert
Lenguaje:	English
Publicado:	Universidad de Tarapacá. Facultad de Ciencias Sociales y Jurídicas. Departamento de Antropología 2016
Materias:	Obsidian hydration age estimation Argentina
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-73562016000100002
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spelling	oai:scielo:S0717-735620160001000022016-04-13ARCHAEOLOGICAL AGE ESTIMATION BASED ON OBSIDIAN HYDRATION DATA FOR TWO SOUTHERN ANDEAN SOURCESGarvey,RavenCarpenter,TimGil,AdolfoNeme,GustavoBettinger,Robert Obsidian hydration age estimation Argentina Obsidian is abundant in archaeological sites throughout Mendoza Province, Argentina but no obsidian hydration rates exist to date these assemblages. Direct dating of obsidian artifacts is particularly important in west-central Argentina because the surface record is extensive but well-defined time marker artifacts are lacking. The costs of non-optical hydration dating techniques currently preclude their regular use in the region· however. We present and evaluate 12 models for age estimation based on optical hydration rim measurements for the two most commonly used obsidian types in the region (Las Cargas and Laguna del Maule). Age estimation equations are derived for each source using observed hydration rim-radiocarbon date pairs· and parameterized by variables known to influence obsidian hydration in experimental settings. The equations advanced here are currently best at predicting the known ages of artifacts independently dated by radiocarbon· and can be cautiously used to estimate the ages of obsidian artifacts.info:eu-repo/semantics/openAccessUniversidad de Tarapacá. Facultad de Ciencias Sociales y Jurídicas. Departamento de AntropologíaChungará (Arica) v.48 n.1 20162016-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-73562016000100002en10.4067/S0717-73562016005000002
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Obsidian hydration age estimation Argentina
spellingShingle	Obsidian hydration age estimation Argentina Garvey,Raven Carpenter,Tim Gil,Adolfo Neme,Gustavo Bettinger,Robert ARCHAEOLOGICAL AGE ESTIMATION BASED ON OBSIDIAN HYDRATION DATA FOR TWO SOUTHERN ANDEAN SOURCES
description	Obsidian is abundant in archaeological sites throughout Mendoza Province, Argentina but no obsidian hydration rates exist to date these assemblages. Direct dating of obsidian artifacts is particularly important in west-central Argentina because the surface record is extensive but well-defined time marker artifacts are lacking. The costs of non-optical hydration dating techniques currently preclude their regular use in the region· however. We present and evaluate 12 models for age estimation based on optical hydration rim measurements for the two most commonly used obsidian types in the region (Las Cargas and Laguna del Maule). Age estimation equations are derived for each source using observed hydration rim-radiocarbon date pairs· and parameterized by variables known to influence obsidian hydration in experimental settings. The equations advanced here are currently best at predicting the known ages of artifacts independently dated by radiocarbon· and can be cautiously used to estimate the ages of obsidian artifacts.
author	Garvey,Raven Carpenter,Tim Gil,Adolfo Neme,Gustavo Bettinger,Robert
author_facet	Garvey,Raven Carpenter,Tim Gil,Adolfo Neme,Gustavo Bettinger,Robert
author_sort	Garvey,Raven
title	ARCHAEOLOGICAL AGE ESTIMATION BASED ON OBSIDIAN HYDRATION DATA FOR TWO SOUTHERN ANDEAN SOURCES
title_short	ARCHAEOLOGICAL AGE ESTIMATION BASED ON OBSIDIAN HYDRATION DATA FOR TWO SOUTHERN ANDEAN SOURCES
title_full	ARCHAEOLOGICAL AGE ESTIMATION BASED ON OBSIDIAN HYDRATION DATA FOR TWO SOUTHERN ANDEAN SOURCES
title_fullStr	ARCHAEOLOGICAL AGE ESTIMATION BASED ON OBSIDIAN HYDRATION DATA FOR TWO SOUTHERN ANDEAN SOURCES
title_full_unstemmed	ARCHAEOLOGICAL AGE ESTIMATION BASED ON OBSIDIAN HYDRATION DATA FOR TWO SOUTHERN ANDEAN SOURCES
title_sort	archaeological age estimation based on obsidian hydration data for two southern andean sources
publisher	Universidad de Tarapacá. Facultad de Ciencias Sociales y Jurídicas. Departamento de Antropología
publishDate	2016
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-73562016000100002
work_keys_str_mv	AT garveyraven archaeologicalageestimationbasedonobsidianhydrationdatafortwosouthernandeansources AT carpentertim archaeologicalageestimationbasedonobsidianhydrationdatafortwosouthernandeansources AT giladolfo archaeologicalageestimationbasedonobsidianhydrationdatafortwosouthernandeansources AT nemegustavo archaeologicalageestimationbasedonobsidianhydrationdatafortwosouthernandeansources AT bettingerrobert archaeologicalageestimationbasedonobsidianhydrationdatafortwosouthernandeansources
_version_	1718443458029420544

ARCHAEOLOGICAL AGE ESTIMATION BASED ON OBSIDIAN HYDRATION DATA FOR TWO SOUTHERN ANDEAN SOURCES

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