The fossil market has no shortage of STROMATOLITE fossils but in every case, they are sliced and polished slabs of a former fossil colony. The slices are most often from fossil bacteria mats that are not much more than wavy layers of stone. This is an EXTREMELY RARE and unusual example of fossil stromatolite with intact natural ball structures. It is an OLIGOCENE lacustrine (formed in a prehistoric lake) stromatolite colony once deposited by prehistoric cyanobacteria. This specimen has been laboriously prepared in our lab where we painstakingly removed the upper matrix rock layer to reveal all the delicate intact anatomy of each colony. The detail is so minute and intact that it appears as if still alive exactly similar to the living specimens found today in Shark Bay, Australia.
We have never before seen such an unusual and exquisite fossilized cyanobacteria colony as these. The entire collection we are offering was from a single transaction and discovery with no more specimens being available after this limited number is sold.
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