• Petrographic observations suggestive of microbial mats from Rampur Shale and Bijaigarh Shale, Vindhyan basin, India

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      https://www.ias.ac.in/article/fulltext/jess/115/01/0061-0066

    • Keywords

       

      Microbial mat; wavy laminae; black shales; pyrite; teeth and socket structures

    • Abstract

       

      Petrographic observations of two Vindhyan black shales (Rampur Shale of the Semri Group and Bijaigarh Shale of the Kaimur Group) revealed the following features:

        unordered

      These features are indirect evidence of microbial mat colonization during the Proterozoic. The microbial mats probably fixed carbon at the sediment surface, stabilized sediment and recycled organic matter and were the primary producers, unlike during the Phanerozoic time.

    • Author Affiliations

       

      S Sur1 J Schieber2 S Banerjee3

      1. Department of Geology and Geophysics, The University of Oklahoma, 100 East Boyd St., SEC Suite 810, Norman, OK - 73019, USA
      2. Department of Geological Sciences, Indiana University, 1001 E 10th St., Bloomington, IN - 47405, USA
      3. Department of Earth Sciences, Indian Institute of Technology Bombay, Mumbai - 400 076, India
    • Dates

       
  • Journal of Earth System Science | News

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