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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jess/124/04/0729-0746

    • Keywords

       

      Lignite; coal petrology; depositional environment; Muğla; Ören Basin.

    • Abstract

       

      The Ören and Yatağan Basins in SW Turkey host several Miocene coal deposits currently under exploitation for power generation. The present study aims to provide insight into the palaeoenvironmental conditions, which controlled the formation of the Hüsamlar coal seam located in Ören Basin. The coal seam displays many sharp alternations of matrix lignite beds and inorganic, lacustrine sediment layers. The coal is a medium-to-high ash lignite (10.47–31.16 wt%, on dry basis) with high total sulphur content (up to 10 wt%, on dry, ash-free basis), which makes it prone to self-combustion. The maceral composition indicates that the peat-forming vegetation consisted of both arboreal and herbaceous plants, with the latter being predominant in the upper part of the seam. Mica and feldspars contribute to the low part of the seam; carbonates are dominant in the upper part, whereas quartz and pyrite are present along the entire coal profile. The sudden transitions of the telmatic to the lacustrine regime and reverse is attributed to tectonic movements that controlled water table levels in the palaeomire, which affected surface runoff and hence, clastic deposition.

    • Author Affiliations

       

      Zeynep Büçkün1 HüLya İnaner1 Riza Görkem Oskay2 Kimon Christanis2

      1. Department of Geological Engineering, Dokuz Eylül University, Buca-Tınaztepe Campus, Buca-İzmir, Turkey.
      2. Department of Geology, University of Patras, 265.04 Rio-Patras, Greece.
    • Dates

       
  • Journal of Earth System Science | News

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