An ancient copper culture mined the Great Lakes shores with remarkably simple tools, just campfire heat and pounding stones. Artifacts show diminishing copper returns as pieces were recycled into fish hooks and symbols, progressively smaller. These mines remain anomalous compared to other world locations.
Note: The claims about Paulina Zalitzky, underwater structures off Cuba, and Mayan pyramid imagery do not appear in this post and may have been inadvertently included from a different article.
Sources
Copper Culture in North America is Older than We Thoughtdaretoknow.medium.comThe “copper culture” lived near the Great Lakes and was among the world's first peoples to forge metals. Discover why their culture moved on.
Miners Left a Pollution Trail in the Great Lakes 6000 Years Ago - Eoseos.orgScientists find evidence of ancient copper mining in polluted lake sediments from Isle Royale National Park.
Old Copper Culture | Milwaukee Public Museummpm.eduThese results provided conclusive evidence that aboriginal use of Great Lakes copper began during Middle Archaic times, circa 4,000 B.C. Mining and Fabrication.
Old Copper complex - Wikipediaen.wikipedia.orgThe Old Copper complex or Old Copper culture is an archaeological culture from the Archaic period of North America's Great Lakes region.
Archaeological History of Isle Royale and Ancient Copper Miningnps.govIt was during the Archaic stage that copper mining and working began in earnest, although associated artifacts and habitation sites are only now ...
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