Copper mining in Michigan, Historic copper mines in Upper Peninsula, Michigan, United States
The copper deposits in Michigan's Upper Peninsula contain pure metallic copper in ancient lava flows, making them different from other mining regions.
Native Americans extracted copper from surface mines between 5000 BCE and 1200 BCE, creating tools and trading items across North America.
The region known as Copper Country developed numerous mining communities, including Calumet and Hancock, which shaped the local identity of the Upper Peninsula.
Michigan's copper mines reached depths of several thousand feet, requiring advanced extraction methods and substantial infrastructure for mineral transportation.
The mines produced massive pieces of pure copper, with some specimens weighing up to 100 tons, extracted from the underground deposits.
Location: Michigan
GPS coordinates: 46.78830,-89.53000
Latest update: May 27, 2025 08:54
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