Michigan Stromatolite
Precambrian-Present
About Michigan Stromatolite
The Michigan Stromatolite is a microbial fossil dating to the Precambrian-Present. Stromatolite is a realistic Michigan fossil profile built around layered dome or column built by microbial mats in shallow water. In this state, success usually comes from learning glacial till, Devonian limestones, and Lake Superior gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
“According to TroveRadar, Michigan Stromatolite fossils from the Precambrian-Present are found across Michigan. TroveRadar's field database catalogs 696+ fossil entries for identification and collection guidance.”
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Timing layer
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Law layer
Michigan state guide
Fossil collecting rules in Michigan vary by land status and fossil type. Common invertebrate fossils may be collectible on some public lands, but vertebrate fossils, protected park units, tribal lands, and cultural sites require a much higher level of care and often a permit. This is especially relevant in Petoskey stones, Devonian coral, and glacial gravels.
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Place layer
Trail and ground routes
Location: Hiawatha National Forest
National Forest • Seasonal edible mushrooms, Common invertebrate fossils in float
Location: Huron-Manistee National Forests
National Forest • Seasonal edible mushrooms, Common invertebrate fossils in float
Location: Porcupine Mountains Wilderness State Park
State Park • Photo opportunities, Exposed shoreline stones
Location: Pictured Rocks National Lakeshore
National Lakeshore • Site-specific opportunities, Historic landscape clues
Identification Tips
- ●concentric laminae
- ●wavy layering
- ●carbonate mound structure
- ●Check glacial till, Devonian limestones, and Lake Superior gravels
Where Found
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Related Fossils
Minnesota Stromatolite
Precambrian-Present
Stromatolite is a realistic Minnesota fossil profile built around layered dome or column built by microbial mats in shallow water. In this state, success usually comes from learning glacial till, Devonian limestones, and Lake Superior gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
Wisconsin Stromatolite
Precambrian-Present
Stromatolite is a realistic Wisconsin fossil profile built around layered dome or column built by microbial mats in shallow water. In this state, success usually comes from learning glacial till, Devonian limestones, and Lake Superior gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
Montana Stromatolite
Precambrian-Present
Stromatolite is a realistic Montana fossil profile built around layered dome or column built by microbial mats in shallow water. In this state, success usually comes from learning dinosaur-bearing mudstones, glacial gravels, and marine shales, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
Idaho Stromatolite
Precambrian-Present
Stromatolite is a realistic Idaho fossil profile built around layered dome or column built by microbial mats in shallow water. In this state, success usually comes from learning dinosaur-bearing mudstones, glacial gravels, and marine shales, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
Wyoming Stromatolite
Precambrian-Present
Stromatolite is a realistic Wyoming fossil profile built around layered dome or column built by microbial mats in shallow water. In this state, success usually comes from learning dinosaur-bearing mudstones, glacial gravels, and marine shales, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
Colorado Stromatolite
Precambrian-Present
Stromatolite is a realistic Colorado fossil profile built around layered dome or column built by microbial mats in shallow water. In this state, success usually comes from learning Morrison outcrops, Green River beds, and uplifted marine limestones, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.