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

Nikoleta Tzankova

Nikoleta Tzankova
Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography “Acad. Ivan Kostov”, Akad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Michail Tarassov
Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography “Acad. Ivan Kostov”, Akad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Rositsa Nikolova
Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography “Acad. Ivan Kostov”, Akad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Lyubomir Mihaylov
University of Mining and Geology “St. Ivan Rilski”, Prof. Boyan Kamenov Str., Studentski Grad, 1700 Sofia, Bulgaria
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Elena Tacheva
Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography “Acad. Ivan Kostov”, Akad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria

Fluid-induced chemical and phase heterogeneity in pegmatitic apatite: implications for alteration conditions and anomalous optical biaxiality

Volume 55 2 August 2026

Nikoleta Tzankova
Department of Mineralogy and Petrography, University of Mining and Geology “St Ivan Rilski”, 1700 Sofia, Bulgaria

LA-ICP-MS study of malachite from copper deposits in the Rosen ore field, Burgas ore district, SE Bulgaria

Volume 52 1 April 2023

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

Volume 49 2 August 2020

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

Volume 48 2 August 2019

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GEOLOGICAL INSTITUTE “STRASHIMIR DIMITROV”

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