Cretaceous El Molina Formation, Bolivia A spectacular stromatolite specimen. Stromatolite is the fossilized remains of alternating sediment and cyanobacteria (blue-green algae) colony layers. Cyanobacteria were among the first forms of life on Earth. This stromatolite slab contains a literal record of early life history within its beautiful, rich-toned banding. Measures 23 x 10.5 x 1.5in
Cretaceous El Molina Formation, Bolivia A spectacular stromatolite specimen. Stromatolite is the fossilized remains of alternating sediment and cyanobacteria (blue-green algae) colony layers. Cyanobacteria were among the first forms of life on Earth. This stromatolite slab contains a literal record of early life history within its beautiful, rich-toned banding. Measures 23 x 10.5 x 1.5in
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