hoppersalexis9824 hoppersalexis9824
  • 01-05-2018
  • Biology
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During which period did the presence of stromatolites decline?

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jamuuj jamuuj
  • 11-05-2018
The period during which the presence of  stromatolites decline is the Proterzoic period. Stromatolites are widely distributed sedimentary structures consisting of laminated carbonate or silicate rocks, produced over geologic time by the trapping, binding, or the precipitating of sediment by groups of microorganisms, primarily cyanobacteria. 
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hellthunder8035 hellthunder8035
  • 09-07-2018
The Protozoic period is when stromatolites declined
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