STROMATOLITES
- STROMATOLITE [n]
- A calcareous mound built up of layers of lime-secreting cyanobacteria and trapped sediment, found in Precambrian rocks as the earliest known fossils, and still being formed in lagoons in Australasia
- STROMATOLITE, a rounded, multi-layered structure, found in rocks dating back at least 2800 million years, having present-day equivalents that result from the growth, under special conditions, of blue-green algae [n]
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