OUR JOURNAL

University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria
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University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 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
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University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria
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University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria
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University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria
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University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria

University of Mining and Geology, Studentski Grad, Prof, Boyan Kamenov Str., 1700 Sofia, Bulgaria
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University of Mining and Geology, Studentski Grad, Prof, Boyan Kamenov Str., 1700 Sofia, Bulgaria

University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria; Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria

Instituto de Geociencias CSIC-UCM, Severo Ochoa 7, 28040 Madrid, Spain
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Área de Paleontología GEODESPAL, Facultad de Ciencias Geológicas UCM, José Antonio Novais 12, 28040 Madrid, Spain
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Departamento de Ciências da Terra, Centro de Geociências, Universidade de Coimbra, Rua Sílvio Lima, 3030-790 Coimbra, Portugal
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Institute of Geology of the Czech Academy of Sciences, Rozvojová 269, 165 00 Praha 6, Czech Republic

Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Modena e Reggio Emilia, Via Campi 103, I-41125 Modena, Italy
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Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Modena e Reggio Emilia, Via Campi 103, I-41125 Modena, Italy
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Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Modena e Reggio Emilia, Via Campi 103, I-41125 Modena, Italy
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Dipartimento di Matematica, Informatica e Geoscienze, Università degli Studi di Trieste, Via Weiss 2, I-34128 Trieste, Italy
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Dipartimento di Matematica, Informatica e Geoscienze, Università degli Studi di Trieste, Via Weiss 2, I-34128 Trieste, Italy

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

Geological Survey of Canada, 303–33rd Street N.W., Calgary, Alberta T2L 2A7, Canada

Institute of Geology, Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences (IG UFRC RAS), 16/2 Karl Marx Str., 450000 Ufa, Russia

Geological Survey of Canada, 303–33rd Street N.W., Calgary, Alberta T2L 2A7, Canada
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Satbayev University, Satbayev 22, Almaty, Kazakhstan
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Natural History Museum, London, SW7 5BD, UK

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

Senckenberg Research Institute and Natural History Museum, Senckenberganlage 25, 60325 Frankfurt am Main, Germany

School of Ocean and Earth Science, University of Southampton, National Oceanography Centre, Waterfront Campus, Southampton, UK, SO14 3ZH
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Department of Organismal Biology, Uppsala University, Norbyvägen 18A, SE-752 36, Uppsala, Sweden
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Department of Organismal Biology, Uppsala University, Norbyvägen 18A, SE-752 36, Uppsala, Sweden
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Department of Organismal Biology, Uppsala University, Norbyvägen 18A, SE-752 36, Uppsala, Sweden
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Albany Museum, Grahamstown, Province of the Eastern Cape, Republic of South Africa
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Department of Geological Sciences, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182, USA
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Department of Organismal Biology, Uppsala University, Norbyvägen 18A, SE-752 36, Uppsala, Sweden

Faculty of Geology and Geography, Department of Geology, Paleontology and Fossil Fuels, Sofia University “St. Kliment Ohridski”, 15 Tsar Osvoboditel Blvd., 1504 Sofia, Bulgaria

Institute of Oceanology, Bulgarian Academy of Sciences, Marine P.O. box 152, 9000 Varna, Bulgaria
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Institute of Oceanology, Bulgarian Academy of Sciences, Marine P.O. box 152, 9000 Varna, Bulgaria
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Geological Institute “Strashimir Dimitrov”, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 24, 1113 Sofia, Bulgaria
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Marmara Research Center, TUBITAK Gebze Campus, Baris Mah. Dr. Zeki Acar Cad. No: 1 P.K. 21, 41470 Gebze Kocaeli, Turkey

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
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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
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University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia; 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
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National Archaeological Institute with Museum, Bulgarian Academy of Sciences, 2 Saborna Str., 1000 Sofia, Bulgaria
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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
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Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Faculty of Geology and Geography, Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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National Archaeological Institute with Museum, Bulgarian Academy of Sciences, 2 Saborna Str., 1000 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

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

Faculty of Geology and Exploration, University of Mining and Geology, 1700 Sofia, Bulgaria
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Faculty of Geology and Exploration, University of Mining and Geology, 1700 Sofia, Bulgaria
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Faculty of Geology and Exploration, University of Mining and Geology, 1700 Sofia, Bulgaria

Earth and Man National Museum, 4 Cherni Vrah Blvd., 1421 Sofia, Bulgaria
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Faculty of Geology and Geography, Department of Mineralogy, Petrology and Economic Geology, Sofia University “St. Kliment Ohridski”, 15 Tsar Osvoboditel Blvd., 1504 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Department of Environmental Sciences, Basel University, 4056 Basel, Switzerland
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Faculty of Geology and Geography, St. Kliment Ohridski University, 1000 Sofia, Bulgaria

Climate, Atmosphere and Water Research Institute, Bulgarian Academy of Sciences, 66 Tsarigradsko Shose Blvd, 1784 Sofia, Bulgaria
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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

National Museum of Natural History, Bulgarian Academy of Sciences, 1 Tsar Osvoboditel Blvd, 1000 Sofia, Bulgaria
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National Museum of Natural History, Bulgarian Academy of Sciences, 1 Tsar Osvoboditel Blvd, 1000 Sofia, Bulgaria
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Plovdiv University “Paisiy Hilendarski”, Faculty of Biology, Department of Ecology and Environmental Conservation, 24 Tsar Asen Str., 4000 Plovdiv, Bulgaria
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National Museum of Natural History, Bulgarian Academy of Sciences, 1 Tsar Osvoboditel Blvd, 1000 Sofia, Bulgaria

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

Department of Geology, Paleontology and Fossil Fuels, Sofia University “St. Kliment Ohridski”, 15 Tsar Osvoboditel Blvd., 1504 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Çukurova Üniversitesi, Mühendislik Fakültesi, Jeoloji Mühendisliği Bölümü, 01330, Adana, Turkey; Department of Geological Processes, Institute of Geology of the Czech Academy of Sciences, 16500, Prague, Czech Republic
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Bulgarian Antarctic Institute, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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Department of Geomatics Engineering, Faculty of Civil Engineering, Istanbul Technical University, Istanbul 34469, Turkey

Department of Geology, Paleontology and Fossil Fuels, Sofia University “St. Kliment Ohridski”, 15 Tsar Osvoboditel Blvd., 1504 Sofia, Bulgaria
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Department of Environmental Sciences, Basel University, 4056 Basel, Switzerland
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Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Sofia University “St. Kliment Ohridski”, Faculty of Geology and Geography, Department of Mineralogy, Petrology and Economic Geology, 15 Tsar Osvoboditel Blvd., 1000 Sofia, Bulgaria
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Center of competency “Clean technologies for sustainable environment – water, waste, energy for circular economy”, 15 Tsar Osvoboditel Blvd., 1000 Sofia, Bulgaria

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