Explore / North America / Michigan
Michigan
Caledonia Mine, Mass City
Mineral locality Documented siteLegal to collect
What you could find
Reported finds from this ground.
Nails and fittings
Coins and tokens
Crystals and mineralsPhotos via Wikimedia Commons: North Lincolnshire Museum, Martin Foreman, (CC BY 2.0), West Yorkshire Archaeology Advisory Service, Amy Downes, (CC BY-SA 2.0), Stephanie Clifford from Arlington, VA, USA (CC BY 2.0).
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Why this spot
Precambrian basalt, native copper
One of the best places to legally collect fine Keweenaw copper.
Keep exploring nearby
More spots in this area.