Old Copper Complex

Native copper nugget from glacial drift, Ontonagon County, Michigan. An example of the raw material worked by the people of the Old Copper Complex.

Old Copper Complex is a term used for ancient Native North American societies known to have been heavily involved in the utilization of copper for weaponry and tools. It is to be distinguished from the Copper Age (Chalcolithic era), when copper use becomes systematic.

The Old Copper Complex of the Western Great Lakes is the best known of these. Great Lakes natives of the Archaic tradition located 99% pure copper in the area of Lake Superior, both in veins and nuggets in gravel beds. Major quarries were located on Isle Royale, the Keweenaw Peninsula, and the Brule River, and copper was deposited elsewhere by glaciation as well.^[1] Eventually they learned to hammer the copper and produce a variety of spearpoints, tools and decorative objects. In addition to practical use, the Copper Complex peoples traded copper goods to obtain other exotic materials.

The Copper Complex can be dated as far back as 6,000 years. By about 3,000 years ago the use of copper is increasingly restricted to jewelry and other status-related items, rather than for tools. This is thought to represent the development of more complex hierarchical cultures in the area.^[2][3][4]

See also

• Copper Culture State Park
• Mississippian copper plates

References

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