Collect Devonian fossils along designated public shores of the Detroit River, known for abundant marine fossils dating back hundreds of millions of years. Ensure collecting is done in authorized areas.
Explore the Iron Ore Heritage Trail areas near Marquette with permission where you can find iron-rich rocks and other interesting minerals. Be sure to check local regulations and protected sites.
Explore Copper Harbor area known for native copper specimens and unique minerals, visiting accessible collecting sites; bring appropriate tools and abide by guidelines.
Explore the local fossil quarries known for Ordovician period marine fossils, where collectors can find impressive specimens during open hours (9am-4pm).