Hand-carved arrowheads and jagged spears made of obsidian, a sharp rock formed by volcanic magma, are remnants of vast ...

Obsidian does not naturally occur in Alberta where the artifacts are being unearthed at Early Prehistoric archaeological ...

including arrowheads and spear tips, traveled nearly 750 miles from their source, according to Allan. An obsidian spear head from the Red Deer area. Photo by Todd Kristensen “A single piece of ...

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Hand-carved arrowheads and jagged spears made of obsidian, a sharp rock formed by ... with the North Saskatchewan River and the Red Deer River acting as natural boundaries between the trade ...