Archaean Banded Iron from Wisconsin

Stromatolites Banded Iron Deposit

(Polished)

Geologic Age: Archaean (2.73 Billion Years Old)

Size (25.4 mm = 1 inch): 205 mm by 125 mm (maximum)

Fossil Code: Jackson County Iron Formation, Wisconsin

Code: ST88

Price: $90.00


Description: This banded iron is metasediment (sediment that has undergone metamorphism) resulting in the midnight black coloration. Minute crystalline forms of other mineral-based compounds are also present; Whether the sediment was of bioorganic origin (stromatolite) is indeterminable, but likely.

The specimen has been hand-polished to a glassine finish on one side with fine carbide and diamond abrasive, a very labor-intensive job.

Stromatolites have persisted to the modern day in such places as Shark Bay, Australia where they continue their billions of years old lifestyle. While this piece would make a fine present for any natural history buff, anyone who appreciates art would also be glad to get thus wonderful specimen as a gift.

Stromatolites Fossils Purchase Information

click stromatolites pictures to enlarge


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