OUR JOURNAL

CURRENT ISSUE: VOLUME 49 (2)/August 2020

Department of Mineralogy and Petrography, University of Mining and Geology “St Ivan Rilski”, 1700 Sofia, Bulgaria
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University of Chemical Technology and Metallurgy, 8 Kl.Ohridsky Blvd, 1756 Sofia, Bulgaria

Bulgarian Geological Society, Acad. G. Boncev Str., Bl. 24, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, Acad. G. Boncev Str., Bl. 24, 1113 Sofia, Bulgaria
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Department of Mineralogy and Petrography, University of Mining and Geology “St Ivan Rilski”, 1700 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, Acad. G. Boncev Str., Bl. 24, 1113 Sofia, Bulgaria

Faculty of Geology and Geography, Department of Geology, Palaeontology and Fossil Fuels, Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1513 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Faculty of Science, Department of Geology, Ferdowsi University of Mashhad, Mashhad, Iran
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Faculty of Science, Department of Geology, Ferdowsi University of Mashhad, Mashhad, Iran
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Faculty of Science, Department of Geology, Ferdowsi University of Mashhad, Mashhad, Iran
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Faculty of Science, Department of Geology, Ferdowsi University of Mashhad, Mashhad, Iran

Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria