Author

Alexander Zdravkov

Observed names: A. Zdravkov, Zdravkov, A., Zdravkov, Alexander

Institution: University of Mining and Geology "Saint Ivan Rilski"

Observed institutions: Montanuniversität Leoben, University of Mining and Geology "Saint Ivan Rilski"

ORCID: 0000-0002-3730-3203

Observed ORCID: 0000-0002-3730-3203

OpenAlex ID: A5087907065

Influence of floral assemblage, facies and diagenesis on petrography and organic geochemistry of the Eocene Bourgas coal and the Miocene Maritza-East lignite (Bulgaria)

2005 · A. Bechtel, R.F. Sachsenhofer, et al. · Organic Geochemistry · 87

Vegetation differences and diagenetic changes between two Bulgarian lignite deposits – Insights from coal petrology and biomarker composition

2010 · A. Zdravkov, A. Bechtel, et al. · Organic Geochemistry · 57

Stratigraphic distribution of macerals and biomarkers in the Donets Basin: Implications for paleoecology, paleoclimatology and eustacy

2005 · A. Izart, R.F. Sachsenhofer, et al. · International Journal of Coal Geology · 50

Paleoenvironmental settings of the Sofia lignite basin: Insights from coal petrography and molecular indicators

2012 · Maya Stefanova, Jordan Kortenski, et al. · International Journal of Coal Geology · 33

Organic petrology, mineralogy and depositional environment of the Kipra lignite seam, Maritza-West basin, Bulgaria

2006 · Irena Kostova, Alexander Zdravkov · International Journal of Coal Geology · 24

Palaeoenvironmental implications of coal formation in Dobrudzha Basin, Bulgaria: Insights from organic petrological and geochemical properties

2017 · A. Zdravkov, A. Bechtel, et al. · International Journal of Coal Geology · 22

Novel polar biomarkers of the Miocene Maritza-East lignite, Bulgaria

2016 · Maya Stefanova, Bernd R.T. Simoneit, et al. · Organic Geochemistry · 18

Paleovegetation and environment during deposition of the Late Oligocene sub-bituminous coal in the Bobov Dol Basin (SW Bulgaria) as deduced from petrographic and geochemical characteristics

2024 · Alexander Zdravkov, Achim Bechtel, et al. · International Journal of Coal Geology · 16

Depositional settings of the Eocene Suhostrel bituminous coal, SW Bulgaria, inferred from organic petrology and molecular proxies

2023 · Alexander Zdravkov, Doris Groß, et al. · International Journal of Coal Geology · 16

Implications for peat formation in Maritsa-West Basin, SE Bulgaria: Insights from organic petrology, palynology and biomarker assemblage

2020 · Alexander Zdravkov, Maya Stefanova, et al. · International Journal of Coal Geology · 15

Reconstruction of paleoenvironment during coal deposition in the Neogene Karlovo graben, Bulgaria

2005 · Alexander Zdravkov, Irena Kostova, et al. · International Journal of Coal Geology · 15

Characterization of organic matter from the Cretaceous sedimentary and volcano-sedimentary strata from Livingston Island, Antarctic Peninsula: Insights from organic petrology, molecular proxies and carbon and hydrogen isotopes

2022 · Irena Kostova, Alexander Zdravkov, et al. · International Journal of Coal Geology · 14

Microscopical characterization of carbon materials derived from coal and petroleum and their interaction phenomena in making steel electrodes, anodes and cathode blocks for the Microscopy of Carbon Materials Working Group of the ICCP

2014 · G. Predeanu, C. Panaitescu, et al. · International Journal of Coal Geology · 14

Interlaboratory study: Testing reproducibility of solid biofuels component identification using reflected light microscopy

2023 · Agnieszka Drobniak, Maria Mastalerz, et al. · International Journal of Coal Geology · 11

Structure and morphology of chars and activated carbons obtained from thermal treatment of coal and biomass origin materials, including their wastes: Results from the ICCP Microscopy of Carbon Materials Working Group

2024 · G. Predeanu, M. Wojtaszek-Kalaitzidi, et al. · International Journal of Coal Geology · 7

Maceral composition and depositional environment of the coals from Beli Breg basin, Bulgaria

2004 · Alexander Zdravkov, Jordan Kortenski · 6

Depositional environment, organic matter characterization and hydrocarbon potential of Middle Miocene sediments from northeastern Bulgaria (Varna-Balchik Depression)

2015 · Alexander Zdravkov, Achim Bechtel, et al. · Geologica Carpathica · 5

Properties and depositional environment of the Neogene Elhovo Lignite, Bulgaria

2006 · Alexander Zdravkov, Irena Kostova, et al. · International Journal of Coal Geology · 5

Factors controlling the occurrence and distribution of iron in Bulgarian coals

2020 · Jordan Kortenski, Alexander Zdravkov · Review of the Bulgarian Geological Society · 4

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Silicon and aluminum in Bulgarian coals

2021 · Jordan Kortenski, Alexander Zdravkov · Review of the Bulgarian Geological Society · 3

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Organic petrological and geochemical properties of jet from the middle Triassic Mogila Formation, West Bulgaria

2019 · Alexander Zdravkov, George Ajdanlijsky, et al. · Geologica Carpathica · 3

Organic geochemical characteristics of Bulgarian jet

2017 · K. Markova, A. Zdravkov, et al. · International Journal of Coal Geology · 3

Petrological and organic geochemical insights into the peat-forming environmental settings during the deposition of the early Oligocene Pirin coal deposit, SW Bulgaria

2025 · Alexander Zdravkov, Achim Bechtel, et al. · International Journal of Coal Geology · 2

Component identification of solid biomass fuels using reflected light microscopy: Interlaboratory study 2

2025 · Agnieszka Drobniak, Maria Mastalerz, et al. · International Journal of Coal Geology · 2

Interlaboratory Study: Testing Reproducibility of Solid Biofuels Component Identification Using Reflected Light Microscopy

2023 · Agnieszka Drobniak, Maria Mastalerz, et al. · SSRN Electronic Journal · 2

Works count: 56

Citation count: 443

H-index: 13

I10-index: 14