PALEOENVIRONMENT, MIRES, INDICES OF THE FACIES OF BULGARIAN BASINS

Anton Sotirov

words: paleoenvironment, paleoecology, organic petrology, facies, mires

Abstract. - Nine Bulgarian coal basins were sampled and investigated for their petrography and mineralogy. The origin of three of the coal basins was determined to be ombrotrophic bogs (Kyustendil basin, Oranovo-Simitli basin, Dobrudja basin). Three other coal basins were determined to be mesotrophic bog forests (Sofia basin, Katrishte deposit, Pernik basin), and an additional three as ombrotrophic bog forests (Chukurovo basin, Balkan basin, Svoge basin). There is no established relationship between the rank of the coals, the lithology of the coal-bearing layers, and type of the peat bogs. Three of the basins have a similar origin, without any relation between the location, lithology of the coal-bearing layers, type of the peat bog, or the coal rank. The Pernik, Oranovo, Chukurovo and Svoge basins originated in forested peatlands (telmatic swamps) when relatively high in coal ash and/or interbedded with mineral partings; and in forested, continuously wet raised bogs when low in ash. The Sofia, Kyustendil and Balkan basins are originated in intermittently dry forested swamps when high in ash, or in forested raised bogs when coal ash is low or moderate. The Dobrudja basin and Katrishte deposits originated in slowly subsiding, intermittently dry swamps from aerobically decomposed autochtonous plants, which were redistributed as subaqueous sediment or in slowly subsiding, relatively dry raised bogs. Key words: paleoenvironment, paleoecology, organic petrology, facies, mires

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"PALEOENVIRONMENT, MIRES, INDICES OF THE FACIES OF BULGARIAN BASINS", IJSDR - International Journal of Scientific Development and Research (www.IJSDR.org), ISSN:2455-2631, Vol.9, Issue 4, page no.459 - 473, April-2024, Available :https://ijsdr.org/papers/IJSDR2404070.pdf

Volume 9 Issue 4, April-2024

Pages : 459 - 473

Paper Reg. ID: IJSDR_210784

Published Paper Id: IJSDR2404070

Downloads: 000347331

Research Area: Science & Technology

Country: Kyustendil, Kyustendil, Bulgaria

Published Paper PDF: https://ijsdr.org/papers/IJSDR2404070

Published Paper URL: https://ijsdr.org/viewpaperforall?paper=IJSDR2404070

ISSN: 2455-2631 | IMPACT FACTOR: 9.15 Calculated By Google Scholar | ESTD YEAR: 2016

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