6.4" Polished Stromatolite From Russia - 950 Million Years

This is a 6.4" polished section of Neoproterozoic stromatolites (Inzeria?) from the Inzer River, Bashkortostan Region, Russia. These precambrian stromatolites come from the Katavskaya (Katav) Formation, Karatau Group, and have been dated to between 850 and 950 million years old. This specimen has been cut flat and polished to a glossy finish on one side.

It comes with an acrylic display stand.

About Stromatolites

Stromatolites are fascinating, ancient rock formations created by the activity of cyanobacteria and other microorganisms. These layered, mound-like structures represent some of the earliest evidence of life on Earth, dating back over 3.5 billion years. Often found in shallow, warm waters, stromatolites form as layers of sediment and minerals are trapped and bound by microbial mats, gradually building up over time into unique, textured shapes.

Visually, stromatolites can range from smooth, rounded forms to intricate, banded structures, with colors that span earthy reds, browns, greens, and grays. Each layer captures a record of environmental conditions at the time of its formation, making stromatolites an invaluable source of information for scientists studying Earth’s early history and the origins of life.

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DETAILS
SPECIES
Inzeria?
LOCATION
Inzer River, Assy Village, Bashkortostan, Russia
FORMATION
Katavskaya (Katav) Formation, Karatau Group
SIZE
6.4 x 3.4", up to 1.1" thick
CATEGORY
ITEM
#362945
GUARANTEE
We guarantee the authenticity of all of our specimens.