Founded 1934 by Prof. Dr Stefan Bončev
A Geo-Sciences Journal of the Geological Institute “Strashimir Dimitrov”, Bulgarian Academy of Sciences
Official Journal of the Carpathian-Balkan Geological Association

Valeri Sachanski

Elitsa Zareva
University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria
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Valeri Sachanski
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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Lubomir Metodiev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Boris Valchev
University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria
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Dimitar Sachkov
University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria
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Miroslav Slavchev
University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria
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Daniel Yanev
University of Mining and Geology, Studentski Grad, Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria

Iskar Gorge and Ledenika cave - a brief overview

Volume 53 3 December 2024

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

The Silurian and the Devonian in the Svoge Unit, Western Bulgaria – a brief overview

Volume 53 3 December 2024

Polina Andreeva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Iliana Boncheva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Valeri Sachanski
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

Microfacies, sea-level fluctuations and conodont biostratigraphy of Frasnian–Famennian carbonate sequences from the Preslavtsi-2 well (the Moesian Platform, NE Bulgaria)

Volume 53 2 August 2024

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

The Silurian stage boundaries in Bulgaria: the challenge of the Aeronian/Telychian (Llandovery) boundary

Volume 46 2 November 2017

Valeri Sachanski
University of Mining and Geology, Department of Geology and Geo-Information, Studentski Grad,“Prof. Boyan Kamenov” St., Sofia 1700; Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Bl. 24, 1113 Sofia, Bulgaria

The Silurian in the West Balkan Mts. (Svoge Unit, Srednogorie Zone) – 110 years later

Volume 44 1-3 December 2015

Iliana Boncheva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Bl. 24, 1113 Sofia, Bulgaria
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Valeri Sachanski
University of Mining and Geology, Department of Geology and Geo-Information, Sofia; Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Bl. 24, 1113 Sofia, Bulgaria
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Ralph Thomas Becker
Westphälische Wilhelms-Universität, Institut für Geologie und Paläontologie, Corrensstr. 24, D-48149 Münster, Germany

Sedimentary and faunal evidence for the Late Devonian Kellwasser and Annulata events in the Balkan Terrane (Bulgaria)

Volume 44 1-3 December 2015

Valeri Sachanski
Bulgarian Academy of Sciences, Geological Institute, Acad. G. Bonchev St. Bl. 24, 1113 Sofia, Bulgaria
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Mehmet Cemal Göncüoğlu
Middle East Technical University, Department of Geological Engineering, 06531 Ankara, Turkey
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Ibrahim Gedik
General Directorate of Mineral Research and Exploration, Department of Geological Research, 06520 Ankara, Turkey
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Cengiz Okuyucu
General Directorate of Mineral Research and Exploration, Department of Geological Research, 06520 Ankara, Turkey

The Silurian of the Çatak and Karadere areas of the Zonguldak Terrane, NW Anatolia

Volume 36 3-4 December 2007

Valeri Sachanski
Geological Institute, BAS, 1113 Sofia
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Iliana Boncheva
Geological Institute, BAS, 1113 Sofia

Geological events and processes dating by the rate of sedimentation in the area of Cherna Gora Height

Volume 32 2-4 December 2002

Valeri Sachanski
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Boundaries of the Silurian System in Bulgaria defined by graptolites

Volume 23 1 February 1993

Valeri Sachanski
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Studia breviora: Boundaries of the Silurian System in Bulgaria by graptolites

Volume 21 5 October 1991

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