Archaean Banded Iron Stromatolite from Wyoming

Stromatolite Banded Iron Deposit Stromatolites

(hand polished)

Geological Time: Archaean, 2.87 Billion Years Old

Size (25.4 mm = 1 inch): Stromatolite is 190 mm by 120 mm (maximum)

Fossil Site: Goldman Meadows formation, Atlantic City Iron Mine, South Pass, Wyoming

Code: ST97

Price: $90.00

Archaean Wyoming Banded Iron Banded IronDescription: 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.

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