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

Iskra Lakova

Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Jacek Grabowski
Polish Geological Institute – National Research Institute, Rakowiecka 4, 00-975 Warszawa, Poland
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Kristalina Stoykova
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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Daniela Reháková
Comenius University, Faculty of Natural Sciences, Department of Geology and Palaeontology, Mlynská dolina G–229, Ilkovičova 6, SK-84215 Bratislava, Slovak Republic
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Katarzyna Sobień
Polish Geological Institute – National Research Institute, Rakowiecka 4, 00-975 Warszawa, Poland
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Petr Schnabl
Institute of Geology, Academy of Sciences of the Czech Republic, v.v.l., Rozvojová, 269,165 000 Praha 6, Czech Republic

Direct correlation of Tithonian/Berriasian boundary calpionellid and calcareous nannofossil events in the frame of magnetostratigraphy: new results from the West Balkan Mts, Bulgaria, and review of existing data

Volume 46 2 November 2017

Silviya Petrova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Polina Andreeva
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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Daniela Reháková
Comenius University, Faculty of Natural Sciences, Department of Geology and Palaeontology, Mlynská dolina G–229, Ilkovičova 6, SK–84215 Bratislava, Slovak Republic
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Jozef Michalík
Slovak Academy of Sciences, Institute of Earth Sciences, Dúbravská 9, P.O. Box 106840 05, Bratislava, Slovak Republic
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Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Calpionellid biostratigraphy and microfacies analysis of a Tithonian–Berriasian carbonate succession in the Western Srednogorie (Bulgaria)

Volume 46 1 July 2017

Egor Platonov
FGU NPP "Geologorazvedka", Saint-Petersburg, Russia
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Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, Sofia, Bulgaria
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Silviya Petrova
Geological Institute, Bulgarian Academy of Sciences, Sofia, Bulgaria
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Vladimir Arkadiev
Saint-Petersburg State University, Saint Petersburg, Russia

Tithonian and Lower Berriasian calpionellid against ammonite biostratigraphy of the Dvuyakornaya Formation in eastern Crimea

Volume 43 1-3 December 2014

Silviya Petrova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 24, 1113 Sofia, Bulgaria
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Dragoman Rabrenović
Department of Geology, Faculty of Mining and Geology, University of Belgrade, Kamenicka 6, P.O. Box 227, 11000 Belgrade, Serbia
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Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 24, 1113 Sofia, Bulgaria
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Elena Koleva-Rekalova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 24, 1113 Sofia, Bulgaria
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Daria Ivanova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 24, 1113 Sofia, Bulgaria
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Lubomir Metodiev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 24, 1113 Sofia, Bulgaria
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Nenad Malešević
Department of Geology, Faculty of Mining and Geology, University of Belgrade, Kamenicka 6, P.O. Box 227, 11000 Belgrade, Serbia

Biostratigraphy and microfacies of the pelagic carbonates across the Jurassic/Cretaceous boundary in eastern Serbia (Stara Planina–Poreč Zone)

Volume 41 1-3 December 2012

Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Bl. 24, 1113 Sofia

Prof Peter Marchev – forty years studies in geology and magmatic petrology

Volume 40 1-3 December 2011

Polina Andreeva
Department of Paleontology, Stratigraphy and Sedimentology, Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Iliana Boncheva
Department of Paleontology, Stratigraphy and Sedimentology, Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Iskra Lakova
Department of Paleontology, Stratigraphy and Sedimentology, Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Slavcho Yanev
Department of Paleontology, Stratigraphy and Sedimentology, Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Daria Ivanova
Department of Paleontology, Stratigraphy and Sedimentology, Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Devonian stratigraphy and Depositional environment of the Moesian Platform, NE Bulgaria

Volume 39 1-2 September 2010

Daria Ivanova
Geological Institute, Bulgarian Academy of Sciences, 24 Acad. G. Bonchev Str., 1113 Sofia, Bulgaria
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Elena Koleva-Rekalova
Geological Institute, Bulgarian Academy of Sciences, 24 Acad. G. Bonchev Str., 1113 Sofia, Bulgaria
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Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 24 Acad. G. Bonchev Str., 1113 Sofia, Bulgaria
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Kristalina Stoykova
Geological Institute, Bulgarian Academy of Sciences, 24 Acad. G. Bonchev Str., 1113 Sofia, Bulgaria
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Marin Ivanov
Department of Geology & Paleontology, Faculty of Geology & Geography, Sofia University St. K. Ohridski, 15 Tsar Osvoboditel Blvd., 1504 Sofia, Bulgaria
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Lubomir Metodiev
Geological Institute, Bulgarian Academy of Sciences, 24 Acad. G. Bonchev Str., 1113 Sofia, Bulgaria
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Silviya Petrova
Geological Institute, Bulgarian Academy of Sciences, 24 Acad. G. Bonchev Str., 1113 Sofia, Bulgaria
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Platon Tchoumatchenco
Geological Institute, Bulgarian Academy of Sciences, 24 Acad. G. Bonchev Str., 1113 Sofia, Bulgaria
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Dragoman Rabrenović
Department of Geology, Faculty of Mining and Geology, University of Belgrade, 6 Kamenićka Str., 11 000 Belgrade, Serbia
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Vladan Radulović
Department of Geology, Faculty of Mining and Geology, University of Belgrade, 6 Kamenićka Str., 11 000 Belgrade, Serbia
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Nenad Malešević
Department of Geology, Faculty of Mining and Geology, University of Belgrade, 6 Kamenićka Str., 11 000 Belgrade, Serbia

Upper Jurassic – Lower Cretaceous platform-to-basin integrated stratigraphy across the Bulgarian/Serbian border

Volume 39 1-2 September 2010

Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Platon Tchoumatchenco
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Daria Ivanova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Elena Koleva-Rekalova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Callovian to Lower Cretaceous pelagic carbonates in the West Balkan Mountains (Komshtitsa and Barlya sections): integrated biostratigraphy and microfacies

Volume 36 3-4 December 2007

Daria Ivanova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia
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Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia
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Polina Pavlishina
Sofia University "Sv. Kliment Ohridski", Tsar Osvobodilel Blvd, 15, 1000 Sofia
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Elena Koleva-Rekalova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia

Joint biostratigraphy and lithofacies of Berriasian and Valanginian limestones from subsurface sections in NE Bulgaria

Volume 32 2-4 December 2002

Todor Nikolov
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Bernard Peybernès
Université Paul-Sabatier, 31062 Toulouse Cedex 4, France
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Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Richard Ciszak
Université Paul-Sabatier, 31062 Toulouse Cedex 4, France
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Michel Durand-Delga
8, rue Charles-Lefebvre, 77210 Avon, France
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Marin Ivanov
Sofia University “St Kliment Ohridski”, 1504 Sofia, Bulgaria

Sur l’âge Tithonien-Berriasien du lithostratotype de la Formation Magura (anticlinal de Belogradchik, Prébalkan Occidental) : implications paléogéographiques

Volume 31 3-4 December 2001

Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Dispersed tubular structures and filaments from Upper Silurian - Middle Devonian marine deposits of North Bulgaria and Macedonia

Volume 30 3-4 February 2001

Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Studia breviora: Additional palynological data on the age of the Razhcha Formation, Osogovo Mts., West Bulgaria

Volume 27 1-2 August 1997

Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Paleobiogeographical affinities of Pridolian and Lochkovian chitinozoans from North Bulgaria

Volume 25 5-6 December 1995

Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Ivan Zagorchev
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Nikola Vardev
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Lead-Zinc Mines “Sasa”, Makedonska Kamenica
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Risto Stojanov
Rudarsko-geološki fakultet, Štip

Studia breviora: Organic-walled microfossils of Wenlockian to Lower Devonian age from Ražča Formation and its equivalents from the Elešnica allochthon (Osogovo Mt.)

Volume 25 1 February 1995

Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Numerical criteria of precise delimitation of the calpionellid Crassicollaria and Calpionella Zones in relation to the Jurassic/Cretaceous system boundary

Volume 24 6 December 1994

Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Middle Tithonian to Berriasian praecalpionellid and calpionellid zonation of the western Balkanides, Bulgaria

Volume 23 6 December 1993

Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Petar Gočev
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Slavcho Yanev
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Palynostratigraphy and geological setting of the Lower Paleozoic allochthon of the Dervent Heights, SE Bulgaria

Volume 22 6 December 1992

Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Studia breviora: Upper Ordovician to Llandovery land plant spores and acritarchs from Dervent Heights, SW Bulgaria

Volume 22 1 February 1992

Julieta Latcheva
Geological Institute, Bulgarian Academy of Sciences, 1113, Sofia
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Petar Gočev
Geological Institute, Bulgarian Academy of Sciences, 1113, Sofia
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Iskra Lakova
Geological Institute, Bulgarian Academy of Sciences, 1113, Sofia

Studia breviora: Data on the Paleozoic age of some low-grade metamorphic rocks in Dervent Heights (Southeast Bulgaria) and part of Strandža (Turkey)

Volume 19 3 June 1989

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