Collection: Historic Michigan Geological Survey Outcrop Samples Locality: Monroe County SE7, 7S-9E France Stone Co. Qy. No: 6
The Raisin River Dolomite is a geologic formation in Michigan that contains fossils from the Silurian period. The sediments that make up the formation were deposited in a shallow marine environment that covered Michigan 410 million years ago.-Source
Breccia is a term most often used for clastic sedimentary rocks that are composed of large angular fragments (over two millimeters in diameter). The spaces between the large angular fragments are filled with a matrix of smaller particles. -Source
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