Explore / North America / Michigan
Michigan
Great Sand Bay beach
Agate beach or gravel Documented siteLegal to collect
What you could find
Reported finds from this ground.
Agates and jasper
Nails and fittingsAlso reported: datolite pebbles, epidote, prehnite.
Photos via Wikimedia Commons: Teerui (Public domain), North Lincolnshire Museum, Martin Foreman, (CC BY 2.0).
Why this spot
Keweenaw bay between Eagle River and Eagle Harbor cut into copper-country basalt
Fixture of Keweenaw beach collecting guides.
Before you go
Hazards noted for this site.
cold water, rip currents
Keep exploring nearby
More spots in this area.