kaykay9199 kaykay9199
  • 21-09-2018
  • Biology
contestada

What are stromatolites?

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racheldemetreon
racheldemetreon racheldemetreon
  • 21-09-2018

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.

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adontebraynen37
adontebraynen37 adontebraynen37
  • 29-04-2019

Answer:

layered mounds of calcium carbonate that were deposited by algae during the Precambrian time

Explanation:

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