Evidence of mining, deep holes chipped into the rock, can be found in Ontario, Manitoba, and around Lake Superior. By heating, annealing and hammering, these cultures worked the …

2022年11月8日 · Thus, the long-held speculation that Western Europeans created the archaic copper industry in the Great Lakes Region is not possible. The earliest known use of copper …

2012年6月18日 · The mines in Lake Superior are the only known Bronze Age mines to contain copper with a purity exceeding 99%. Many European artifacts from this time period contain …

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Great quantities of float copper and handmade artifacts found in the Great Lakes region exceeded the quantities found in the other areas of the continent. Since the 1840s, most archaeologists …

2024年3月6日 · The copper of the Great Lakes formed during a spectacular period in Earth's history—at a time when the North American continent was splitting apart. This separation …

The OCC's mission: authentic copper artifact reference galleries, Great Lakes-specific samples. Prehistoric OCC artifact comparison photos, showcasing unique characteristics against global …

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The Allure of Great Lakes Copper

One of our major sources of Indian knowledge and use of Lake Superior copper is from the historical accounts of the French, English, and Americans. Pertinent passages are quoted in …