Explore / North America / Michigan
Michigan
Keweenaw Peninsula copper / datolite dumps, Michigan
Mineral locality Documented sitePermission required
What you could find
Reported finds from this ground.
Nails and fittings
Coins and tokensAlso reported: datolite nodules and epidote on old mine rock piles.
Photos via Wikimedia Commons: North Lincolnshire Museum, Martin Foreman, (CC BY 2.0), West Yorkshire Archaeology Advisory Service, Amy Downes, (CC BY-SA 2.0).
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Why this spot
Precambrian
Copper Country; fee mines like Caledonia allow digging.
Keep exploring nearby
More spots in this area.