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

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VOLUME 50 (1)/April 2021

Yotzo Yanev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Aleksey Benderev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Nikolai Zotov
University of Stuttgart, 70569 Stuttgart, Germany
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Elena Dubinina
Institute of Geology of Ore Deposits, Mineralogy, Petrography and Geochemistry (IGEM), Russian Academy of Sciences, 119017 Moscow, 35/1 Staromonetnyi pereulok, Russian Federation
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Tzvetoslav Iliev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Stoyan Georgiev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Iren Ilieva
Bulgarian Geological Society
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Ivanina Sergeeva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Exotic rock block from the Koshava gypsum mine, Northwest Bulgaria: Petrography, geochemistry, mineralogy and melting phenomena

Editorial Board

In memoriam: A life dedicated to geology – a tribute to Academician Todor Nikolov, DSc (February 26, 1931 – March 26, 2021)

Silviya Petrova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., 1113 Sofia, Bulgaria
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Lubomir Metodiev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., 1113 Sofia, Bulgaria

In memoriam: Deshka Georgieva Bakalova (August 17, 1932 – April 05, 2021)

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VOLUME 49 (3)/December 2020

Lubomir Metodiev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Silviya Petrova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Elena Koleva-Rekalova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Georgi Granchovski
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Fossil holothurian ossicles from the lower Toarcian of the Balkan Mts, Bulgaria

Dimitar Antonov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Madlena Tsvetkova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Doncho Karastanev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Preliminary modelling of radionuclide migration in the argillaceous sediments of the Sumer Formation (Northwestern Bulgaria)

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

Uppermost Berriasian macro- and microfossil assemblages from the Ticha Formation of the Eastern Fore-Balkan Mts (Bulgaria)

Polina Pavlishina
Department of Geology, Palaeontology and Fossil Fuels, Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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Docho Dochev
Department of Geology, Palaeontology and Fossil Fuels, Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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Lubomir Metodiev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Block 24, 1113 Sofia, Bulgaria
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Eliza Vladimirova
Department of Geology, Palaeontology and Fossil Fuels, Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria

Inoceramid bivalve and dinoflagellate cyst integrated biostratigraphy of the topmost Campanian–Maastrichtian in a part of the Western Fore-Balkan Mountains, northwest Bulgaria

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

In memoriam: Associate Professor Sava Juranov, PhD

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

In memoriam: Professor Ivo Sapunov, DSc

Editorial Board

150th anniversary of Professor Dr Stefan Bončev (1870–1947)

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VOLUME 49 (2)/August 2020

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

Mineralogical study of archaeological copper slags found in the area of Krushevets Village, SE Bulgaria

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

Assessing the ground waters of Bulgaria using a Water Quality Index

Alexandre Kounov
Department of Environmental Sciences, Basel University, 4056 Basel, Switzerland
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Ianko Gerdjikov
Faculty of Geology and Geography, Sofia University “St Kliment Ohridski”, 1513 Sofia, Bulgaria

The problems of the post-Cenomanian tectonic evolution of the central parts of the Sredna Gora Zone. The wrench tectonics - how real is real?

Boris Valchev
University of Mining and Geology “St Ivan Rilski”, Department of Geology and Geoinformatics, 1 Prof. Boyan Kamenov Str., Studentski Grad, 1700 Sofia, Bulgaria
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Hristo Dimitrov
University of Mining and Geology “St Ivan Rilski”, Department of Geology and Geoinformatics, 1 Prof. Boyan Kamenov Str., Studentski Grad, 1700 Sofia, Bulgaria
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Dimitar Sachkov
University of Mining and Geology “St Ivan Rilski”, Department of Geology and Geoinformatics, 1 Prof. Boyan Kamenov Str., Studentski Grad, 1700 Sofia, Bulgaria
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Sava Juranov
Sofia University “St Kliment Ohridski”, Department of Geology, Palaeontology and Fossil Fuels, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria

A new concept for the Paleogene lithostratigraphy in the onshore part of the Dolna Kamchiya Basin (eastern Bulgaria) on the basis of 3D modeling

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VOLUME 49 (1)/April 2020

Khrischo Khrischev
Bulgarian Geological Society, Acad. G. Boncev Str., Bl. 24, 1113 Sofia, Bulgaria
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Stefan Shanov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Boncev Str., Bl. 24, 1113 Sofia, Bulgaria
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Stefka Pristavova
Department of Mineralogy and Petrography, University of Mining and Geology “St Ivan Rilski”, 1700 Sofia, Bulgaria
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Yotzo Yanev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Boncev Str., Bl. 24, 1113 Sofia, Bulgaria

Structure of the Earth's crust of the Eastern Rhodopes (Southern Bulgaria) from the regional deep reflection seismic profile Ivaylovgrad–Ardino

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

Inoceramid bivalves from the Maastrichtian of the Western Fore-Balkan Mts (Bulgaria)

Atusa Honarmand
Faculty of Science, Department of Geology, Ferdowsi University of Mashhad, Mashhad, Iran
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Mohammad Vahidinia
Faculty of Science, Department of Geology, Ferdowsi University of Mashhad, Mashhad, Iran
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Mohammad Hosein Mahmudy Gharaie
Faculty of Science, Department of Geology, Ferdowsi University of Mashhad, Mashhad, Iran
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Meysam Shafiee Ardestani
Faculty of Science, Department of Geology, Ferdowsi University of Mashhad, Mashhad, Iran

Biostratigraphy of the Gurpi Formation (Zagros Basin, western Iran) based on planktonic foraminifera

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

Palaeoenvironments of northwestern Bulgaria and northeastern Serbia during the Jurassic

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

In memoriam: Professor Platon Tchoumatchenco, DSc (May 27, 1935 – August 28, 2019)

Editorial Board

Bibliographia balcanica

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VOLUME 48 (3)/December 2019

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

Estimation of evapotranspiration rate by using the Penman–Monteith and Hargreaves formulas for the loess in Northeast Bulgaria complex with HYDRUS-1D

Dian Vangelov
Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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Ianko Gerdjikov
Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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Docho Dochev
Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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Zornitsa Dotseva
Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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Stefan Velev
Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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Yasen Dinev
Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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Diliana Trayanova
Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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Jenny Dancheva
Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria

Upper Cretaceous lithostratigraphy of the Panagyurishte strip (Central Bulgaria) – part of the Late Cretaceous Apuseni-Banat-Timok-Srednogorie magmatic belt

Plamen Ivanov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Rosen Nankin
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Miroslav Krastanov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Cliff erosion – mapping, causes and effects in the coastal zone near Cape Kaliakra (northern Bulgarian Black Sea)

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

Studia breviora: On the "Macrocephalites macrocephalus" Zone of the lower Callovian in NW Bulgaria

Milena Georgieva
Sofia University “St Kliment Ohridski”, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria
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Tzvetomila Vladinova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Exotic garnet–clinopyroxene–K-feldspar granulites from the Chepelare shear zone, Central Rhodope massif, Bulgaria: implications for high-pressure granulite facies metamorphism

DETAILS

VOLUME 48 (2)/August 2019

Dimitar Antonov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Nikolay Stoyanov
University of Mining and Geology, Department of Hydrogeology and Engineering Geology, Studentski Grad,Prof. Boyan Kamenov Str., 1700 Sofia, Bulgaria
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Aleksey Benderev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Using Pedotransfer Function (PTF) analysis in the assessment of the parameters of potential radionuclide transport through the vadose zone of PRAW “Novi Han” – an initial stage of a model case study

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

Famennian carbonate microfacies from the Preslavtsi-2 well (Moesian Platform, north-eastern Bulgaria)

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

Effect of clay content on strength and permeability of plastic loess-cement

Nikoleta Tzankova
University of Mining and Geology “St Ivan Rilski”, Department of Mineralogy and Petrography, 1700 Sofia, Bulgaria
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Philip Mihaylov
Regional Historical Museum – Pernik, 2 Fizkulturna Str., 2300 Pernik, Bulgaria

Chemical characterization of glass beads from the necropolis of Dren-Delyan (6th–4th century BC), Southwest Bulgaria

Silviya Petrova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Elena Koleva-Rekalova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Daria Ivanova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Biostratigraphy and microfacies of the pelagic carbonate formations in the Yavorets section (Tithonian–Berriasian), Western Balkan Mts, Bulgaria

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