Article ID Journal Published Year Pages File Type
1685377 Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 2009 4 Pages PDF
Abstract

The chemical compositions of 42 obsidian pre-Hispanic artifacts from Tancama and Purísima, both archaeological sites of La Sierra Gorda Valleys, México, were analyzed by PIXE technique. These obsidians came from four sources: Sierra de Pachuca Hidalgo, Paraíso Querétaro, Ucareo Michoacán and mainly from Zacualtipán/Metzquititlán Hidalgo. According to archaeological evidences, La Sierra Gorda valleys participated in commercial exchange with other regional sites, from Classic to Post-classic periods (A.D. 300–1500).

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Physical Sciences and Engineering Materials Science Surfaces, Coatings and Films
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