INTERNATIONAL ASSOCIATION FOR OBSIDIAN STUDIES

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 72 IS OUT: All previous issues of the IAOS Bulletin are available for downloading as searchable Adobe Acrobat documents and single back issues can be downloaded using the drop-down menu below. And don't forget that a cumulative and searchable PDF of all IAOS Bulletin issues is also available in the Member's Lounge.

REFLECTIONS ON VOLCANIC GLASS: The Proceedings of the 2021 International Obsidian Conference is now available. Click HERE or on the image below to download a copy.

2024 IAOS CRAIG SKINNER POSTER AWARD: The poster award at the 2024 Society for American Archaeological Annual Meetings goes to Nicholas Suarez, Claire Ebert, John Walden, Julie Hoggarth and Jaime Awe for Interwoven Networks: Reconstructing Classic Maya Obsidian Economies in Western Belize An abstract of the research appears in issue 72 of the IAOS Bulletin.

COMING SOON: A NEW URL FOR THE IAOS WEBSITE: We've purchased the obsidianstudies.org domain name and will soon be moving the IAOS website to a new permanent Internet address. We'll let you know when we go live.

NOW AVAILABLE - AN UPDATED VERSION OF ARCHAEOLOGICAL AGE COMPUTATION BASED ON OBSIDIAN HYDRATION: A new verson of Archaeological Age Computation Based on Obsidian Hydration: A Summary of the Current State of the Art, by Alexander K. Rogers and Christopher M. Stevenson, is now available for downloading.

TAKE CARE OF YOUR IAOS MEMBERSHIP DUES ONLINE: We have a membership payment option through PayPal. Click HERE for the details.

THE IAOS PDF LIBRARY: We've been gradually assembling a collection of obsidian-related theses and dissertations, all in searchable Adobe Acrobat (PDF) format. If you have a thesis or dissertation that you'd like to contribute, we would very much like to hear from you. To add a reference to the library, simply send an email to obsidianlab@gmail.com, write "IAOS LIBRARY" in the subject line of the email, and attach the PDF that you'd like to contribute.

IAOS BULLETIN INDEX: We've added a separate index to all articles published in the IAOS Bulletin. To have a look, click HERE.

IAOS SOURCE CATALOG REVIEWERS ARE NEEDED: While we continue to maintain the IAOS World Obsidian Source Catalog, our knowledge of obsidian sources outside of the United States and Canada is sometimes incomplete or inaccurate. We would like to invite any regional obsidian source specialists to have a look at the Source Catalog and get back to us (see the email address above) if you spot any problems. We'll be happy to acknowledge your participation and we'd like to thank Dr. Maria Victoria Fernandez for her help in sorting out sources in Patagonia (Argentina and Chile), South America.

TWENTY-FIVE YEARS ON THE CUTTING EDGE OF OBSIDIAN STUDIES: Edited by Carolyn Dillian, this volume of selected readings from the IAOS Bulletin is still 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.

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Last Updated: 07/16/2024
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