This Specimen has been sold.
4.1" Polished Stromatolite From Russia - 950 Million Years
This is a polished slab of Neoproterozoic stromatolites (Inzeria tjomusi) from the Inzer River, Bashkortostan Region, Russia. These precambrian stromatolites are 850 and 950 million years old. One side of the slab has been cut flat to allow for presentation.