stromatolitic

/stroʊˌmætəˈlɪtɪk/
adjective
  1. Relating to or resembling a stromatolite; having layered structures formed by ancient microbial life.
    • The stromatolitic rocks in the desert show signs of ancient microbial activity.
    • This region is famous for its stromatolitic formations that date back to the Precambrian era.
    • The diver examined the stromatolitic mats growing on the ocean floor.
Synonyms
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