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one of the United States' premier prehistoric sources of obsidian.
Welcome to the International Association for Obsidian Studies (IAOS) home page. From here, you can find out about the IAOS and explore technical information related to obsidian characterization ("sourcing") studies and obsidian hydration dating methods.
IAOS BULLETIN 57 (SUMMER 2017) IS OUT: All issues of the IAOS Bulletin are now available for downloading as searchable Adobe Acrobat documents. Point, click, and print to complete your library. And don't forget that a cumulative and searchable PDF is also available in the Member's Lounge.
THE IAOS PDF LIBRARY: We're assembling an ever-expanding collection of obsidian-related full-text articles, reports, monographs, papers, theses, and dissertations, all in searchable Adobe Acrobat (PDF) format. If you have PDF's that you'd like to contribute to the new PDF library, we would very much like to hear from you! To add a reference to the library, simply send an email to firstname.lastname@example.org, write "IAOS LIBRARY" in the subject line of the email, and attach the PDF's that you'd like to contribute. Last addition: 11-19-2017.
IOC 2019 IS COMING: Here's an event to get on your calendar early - click HERE for a PDF of information regarding the 2019 International Obsidian Conference that will be held in Hungary between May 27-29, 2019. For more details, see the conference website.
TWENTY-FIVE YEARS ON THE CUTTING EDGE OF OBSIDIAN STUDIES: Edited by Carolyn Dillian, this volume of selected readings from the IAOS Bulletin is now available for online ordering at $10 per copy (plus postage). Click HERE for a sample and all the details on how to instantly order your copy. For a review (PDF) of the book, click HERE.
A BLAST FROM THE IAOS PAST: Not long ago, I ran across a copy of the IAOS Obsidian Bibliography from 1993. This was a freebie for all IAOS members at the time and was our one and only IAOS Occasional Paper. To download a copy of this now charmingly obsolete pre-WWW research tool, head over to the IAOS online library and look for Skinner and Tremaine (1993).
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