Delaware Copper Mine

ROCKHOUNDING OPEN / LEGAL DOCUMENTED

Where: Michigan · North America · approx. 47.42, -87.95 (vicinity only)

Why this spot: Precambrian basalt, native copper

What turns up: Native copper, silver, calcite and datolite from the mine and rock piles

Access: Open / legal.

Tourist mine near Copper Harbor with a rock pile you can pick for a fee.

Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.

Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.