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Michigan

Central Mine, Keweenaw

Mineral locality Documented siteGray area
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What you could find

Reported finds from this ground.

Nails and fittingsNails and fittings
Crystals and mineralsCrystals and minerals

Also reported: epidote, and datolite on old mine dumps.

Photos via Wikimedia Commons: North Lincolnshire Museum, Martin Foreman, (CC BY 2.0), Stephanie Clifford from Arlington, VA, USA (CC BY 2.0).

Why this spot

Precambrian Portage Lake basalt, native copper

Part of the famous Keweenaw native copper district.

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.
Central Mine, Keweenaw, MI3 km away · Mineral locality
›
Delaware Mine, Keweenaw, MI4 km away · Mineral locality
›
Great Sand Bay beach6 km away · Agate beach or gravel
›
Clifton Cliff Mine copper town7 km away · Ghost town
›