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Estimating a Hydration Rate for Chimaltenango Obsidian
Luis Hurtado de Mendoza
Vol. 46, No. 1 (Jan., 1981), pp. 159-162
Published by: Society for American Archaeology
Stable URL: http://www.jstor.org/stable/279995
Page Count: 4
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Ninety-six percent of the obsidians in the valley of Guatemala originate in either the El Chayal or the Chimaltenango source systems. To an established hydration rate for El Chayal obsidian, one for Chimaltenango is added, thus expanding chronometric control to most of the central highlands of Guatemala.
American Antiquity © 1981 Society for American Archaeology