Rockhounding in Marquette County, Michigan

5 mapped rockhounding spots in Marquette County. Most commonly produces hematite, jaspilite, chalcedony, chalcopyrite.

Marquette County rockhounding photos

Representative spot and material photos from this county, shown where verified public image records are available.

1 photo

The banded red jasper and silver hematite of the jaspilite outcrop at Jasper Knob, Ishpeming — Jasper Knob (Jasper Hill)Marquette County, Michigan

Minerals reported in Marquette County

Standout in Marquette County

Hand-picked spot in Marquette County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.

Top pick
Jasper Knob (Jasper Hill)
Public
Marquette County
Jasper Knob in Ishpeming is a bald hilltop made entirely of jaspilite, a 1.87-billion-year-old banded iron formation of alternating red jasper and silvery specular hematite. The folded, polished bands are among the best easily reached banded-iron exposures in North America. A short foot trail off Hill Street leads straight to the outcrop.
Jaspilite, Jasper, Hematite, Specular Hematite

Spots in Marquette County

Spot	Minerals	Coordinates	Access
Champion Mine DumpMine Street	Hematite Sapphire Sericite Specularite	46.5085, -87.9889	Public
Jasper Knob (Jasper Hill)Jasper Knob	Jaspilite Jasper Hematite Specular Hematite	46.4867, -87.6551	Public
Michigamme MineUS 41;M 28	Chalcedony Hematite Jaspilite	46.5386, -88.0972	Public
Mt. ShastaUS 41;M 28	Garnet	46.5401, -88.0945	Public
Rope MineCounty Road GN	Gold Pyrite Chalcopyrite	46.5297, -87.7158	Public

Neighboring counties in Michigan

Adjacent rockhounding counties, ranked by how close their centroids sit to Marquette County. A natural extension if Marquette County is already on your trip plan.

Marquette County FAQ

Where can I rockhound in Marquette County, Michigan?+

RockHoundR tracks 5 rockhounding spots in Marquette County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.

What rocks and minerals are common in Marquette County?+

Spots in Marquette County most often produce Hematite, Jaspilite, Chalcedony, Chalcopyrite, Garnet. Individual spots can vary widely.

Are these Marquette County rockhounding spots on public land?+

Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.

Plan a Marquette County rockhounding trip

Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.