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XRF Analysis of samples from the Anillo Obsidian Source near Cotahuasi, Arequipa, Peru
The data associated with this publication are in the supplemental files.
Abstract
This geochemistry report is a dynamic notebook hosted on Github at https://github.com/arf-berkeley/obsidian-source-anilloThe Anillo obsidian source lies to the north of the Cotahuasi Canyon in southern Peru. It is geochemically distinct from the better known Alca obsidian south on the south side of the Cotahuasi valley. This report shares the geochemical results of analysis with a Bruker Tracer 5g XRF.