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Anthropologist Uncovers Evidence Of Prehistoric Metal Trade

One of the artifacts discovered.

Research from a Purdue anthropology professor has uncovered the first evidence of prehistoric metal trade between Asia and North America. The Indiana metallurgist analyzed two objects uncovered in northern Alaska.

The two tiny artifacts, a buckle and a small bead, are made of bronze. That's important because bronze doesn't occur in nature because it's an alloy. Anthropologists can pinpoint the metals' age and where they're from by looking at how they are mixed.

Professor H. Kory Cooper discovered this bronze was a Eurasion mix of copper, tin, and lead.

Historians have generally believed trade historically took place between people on both sides of the Bering Strait, the 50-mile stretch of sea between present-day Russia and Alaska. Until now, Cooper says little was known about when that began.

"And then the question is how far back does that go," Cooper says. "And so we know it goes back at least 1000 years based on these artifacts."

Cooper says that 1000=year old date means ancient Siberians were trading with native Alaskans way before European settlement on the peninsula, which didn't come until the 18th century.

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