Hello, I've created a #Slack channel with Matt Boulanger for real-time communication around archaeological geochemistry. It has been primarily about obsidian and XRF at the moment, but there are threads available for various topics and instrumentation. After announcing it to the International Obsidian Conference last weekend we now have over 20 users and welcome additional participants.
The invitation link is here
best regards, Nico and Matt
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Nicholas Tripcevich, Ph.D.
Archaeological Research Facility
UC Berkeley