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Geoarchaeology and spatial distributions of the ‘ Coche Quemado ' obsidian source in north‐western Patagonia
Author(s) -
Salgán M. L.,
De La Paz Pompei M.,
Diéguez S.,
Glascock M. D.,
Neme G.,
Gil A.
Publication year - 2020
Publication title -
archaeometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.716
H-Index - 67
eISSN - 1475-4754
pISSN - 0003-813X
DOI - 10.1111/arcm.12526
Subject(s) - holocene , geoarchaeology , geology , archaeology , range (aeronautics) , spatial distribution , geography , physical geography , paleontology , remote sensing , materials science , composite material
In north‐western Patagonia, obsidian was used during the entire Holocene, and its importance increased with time. Recent fieldwork discovered a new obsidian source located in the Río Grande, which was called ‘ Coche Quemado ' (CQ). The results indicate that the CQ source has a different geochemical signal than all other sources in the region. Its use is spatially restricted to piedmont and, to a lesser extent, the plains. Chronologically, CQ was exploited in the middle and late Holocene, and its use accounts for a range of spatial distribution between 150 and 200 km.
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