NEW OBSIDIAN SOURCE IN THE ARAUCANIA REGION (SOUTH CENTRAL CHILE): CHEMICAL AND ARCHAEOLOGICAL CONTEXT OF THE BLACK RIOLITIC OBSIDIAN FROM THE NEVADOS DE SOLLIPULLI

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Authors
Stern, Charles R.
Navarro Harris, Ximena
Pino, Jimena D.
Vega, Rodrigo M.
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Datos de publicaciĆ³n:
MAGALLANIA,Vol.36,185-193,2008
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Abstract
A dome of black rhyolite obsidian outcrops among other volcanic rocks at south latitude 38.97716 degrees and west longitude 71.63528 degrees, within the Nevados de Sollipulli, west of the Sollipulli volcano and south of the town of Melipeuco in south-central Chile. Worked fragments of this same obsidian are found at the surface in a number of archaeological sites in the area. This obsidian is both visually and chemically distinct from translucent grey-green derived from the Chaiten volcano further south in the Andean chain.
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