Name:
Banded Iron Stromatolite
Age: Precambrian
Formation: Stromatolite Beds
Location: Wakefield, Michigan
Size: Stromatolite is 6.7 inches diagonal
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Here is a very distinct Banded Iron Stromatolite specimen from the Precambrian of Michigan, not Wisconsin. Authorities believe that stromatolites were formed by masses of green or blue-green algae, or ''cyanobacteria''. This particular stromatolite has been dated to 2.0 to 2.2 billion years old! This large slab has been highly polished on one side for optimal display. The striking red mineral replacement is clearly defined and makes for a unique presentation. This is a beautiful example of this distinct stromatolite from Michigan.
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