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This arrowhead from Obsidian Cliff glass is about 1,500 years old. Credit... Natalie Behring for The New York Times.
Along with arrowheads, he also makes knives and said he can spend hours making the blades. He favors obsidian, volcanic glass, flint, agate and coral, as well as uranium glass that glows under a ...
It started with the arrowheads he found with his dad near Vantage, Washington, and grew to include artifacts dug from the permafrost on St. Lawrence Island in the Bering Sea. Bruce Ottmar’s ...
Ancient humans took advantage of this property to create obsidian cutting and piercing tools, such as knives and arrowheads, with evidence of such artifacts dating back thousands of years.
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. New ...