Obsidian artifacts unearthed in Alberta offer new clues on prehistoric trade routes

April 4, 2025

By Wallis Snowdon – CBC News

Inky black shards of volcanic glass unearthed in Alberta are helping researchers trace the movements of Indigenous people across Western Canada centuries ago.

Hand-carved arrowheads and jagged spears made of obsidian, a sharp rock formed by volcanic magma, are remnants of vast prehistoric trade networks that once cut across western North America.

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1 Comment

Rick Mills says:

April 6, 2025 at 6:01 pm

#Inkyblackshardsofvolcanicglass #obsidian #prehistorictradenetworks

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