Obsidian Sources Characterized by Neutron-Activation Analysis
- 26 July 1968
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 161 (3839), 382-384
- https://doi.org/10.1126/science.161.3839.382
Abstract
Concentrations of elements such as manganese, scandium, lanthanum, rubidium, samarium, barium, and zirconium in obsidian samples from different flows show ranges of 1000 percent or more, whereas the variation in element content in obsidian samples from a single flow appears to be less than 40 percent. Neutron-activation analysis of these elements, as well as of sodium and iron, provides a means of identifying the geologic source of an archeological artifact of obsidian.Keywords
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