What is it about?
Otumba and Sierra de Pachuca obsidian deposits in Central Mexico have been important sources of raw material since pre-Hispanic times. geochemical characterization of subsources from the Sierra de Pachuca and Otumba Volcanic Complex is an important step toward future sourcing of obsidian artifacts that would help provide insight into spheres of influence and trade by past cultures in Central Mexico. Having this purpose in mind, ICP-MS was used to analyze obsidian samples collected from five separated locations at Sierra de Pachuca and four at Otumba, followed by statistical analysis.
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Why is it important?
Obsidian sources chemical characterizations are neccesary in order to understand long commercial networks in pre-hispanic times
Perspectives
Sourcing studies are increasing nowadays due to their importance in understanding past societies.
Dr denisse lorenia argote-espino
Instituto nacional de antropologia
Read the Original
This page is a summary of: Obsidian Subsource Identification in the Sierra de Pachuca and Otumba Volcanic Regions, Central Mexico, by ICP-MS and DBSCAN Statistical Analysis, Geoarchaeology, January 2012, Wiley,
DOI: 10.1002/gea.21389.
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