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

Irena Peytcheva

Peter Marchev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Raya Raicheva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Irena Peytcheva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

U-Pb monazite and zircon ages of a granite xenolith and its host alkaline basalt from the Byala Reka Dome

Volume 53 2 August 2024

Georgi Granchovski
Geological Institute ‘Str. Dimitrov’, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 24, 1113 Sofia, Bulgaria
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Milen Stavrev
Geological Institute ‘Str. Dimitrov’, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 24, 1113 Sofia, Bulgaria
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Atanas Hikov
Geological Institute ‘Str. Dimitrov’, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 24, 1113 Sofia, Bulgaria
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Silvia Chavdarova
Geological Institute ‘Str. Dimitrov’, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 24, 1113 Sofia, Bulgaria
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Stoyan Georgiev
Geological Institute ‘Str. Dimitrov’, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 24, 1113 Sofia, Bulgaria
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Irena Peytcheva
Geological Institute ‘Str. Dimitrov’, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 24, 1113 Sofia, Bulgaria

Calcareous nannofossil and U-Pb zircon geochronological data on the Coniacian–Santonian in a part of the Central Srednogorie Zone (central South Bulgaria)

Volume 53 2 August 2024

Sylvina Georgieva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Rossitsa D. Vassileva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Yulia Plotkina
Institute of Precambrian Geology and Geochronology, Russian Academy of Sciences, Saint-Petersburg, Russian Federation
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Georgi Milenkov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Valentin Grozdev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Elitsa Stefanova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Irena Peytcheva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Mineral chemistry and in-situ U-Pb geochronology of altered pegmatite from the vicinity of the Strashimir Pb-Zn vein deposit

Volume 52 2 August 2023

Irena Peytcheva
Geological Institute, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Rositsa Ivanova
Geological Institute, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Report on the XXII International Congress of the Carpathian Balkan Geological Association (CBGA) in Plovdiv, Bulgaria, September 7–11, 2022

Volume 51 3 December 2022

Silvia Chavdarova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Milen Stavrev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Atanas Hikov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Irena Peytcheva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

New data on the geochemical and mineralogical features of the main manganese- and iron-bearing ore occurrences in the Central Srednogorie Zone, Bulgaria

Volume 51 2 August 2022

Zlatka Milakovska
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Atanas Hikov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Valcana Stoyanova
Interoceanmetal Joint Organization, 9 Cyryla i Metodego Str., 71-541 Szczecin, Poland
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Irena Peytcheva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Valentina Lyubomirova
Faculty of Chemistry and Pharmacy, Sofia University “St Kliment Ohridski”, 1 James Bourchier Blvd, 1164 Sofia, Bulgaria
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Tomasz Abramowski
Maritime University of Szczecin, 1/2 Wały Chrobrego, 70-500 Szczecin, Poland

REY in pore waters of sediments hosting Fe-Mn nodules of the Interoceanmetal exploration area in the Clarion-Clipperton Fracture Zone, NE Pacific

Volume 51 2 August 2022

Georgi Milenkov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Rossitsa D. Vassileva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Sylvina Georgieva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Valentin Grozdev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Irena Peytcheva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Trace-element signatures and U-Pb geochronology of magmatic and hydrothermal titanites from the Petrovitsa Pb-Zn deposit, Madan region, Central Rhodopes (Bulgaria)

Volume 51 2 August 2022

Irena Peytcheva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Elena Tacheva
Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 7, 1113 Sofia, Bulgaria
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Albrecht von Quadt
Institute of Geochemistry and Petrology, ETH-Zurich, Switzerland
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Rossen Nedyalkov
Sofia University “St Kliment Ohridski”, Department of Mineralogy, Petrology and Economic Geology, 15 Tsar Osvoboditel Blvd, 1504 Sofia, Bulgaria

U-Pb zircon and titanite ages and Sr-Nd-Hf isotope constraints on the timing and evolution of the Petrohan-Mezdreya pluton (Western Balkan Mts, Bulgaria)

Volume 47 2 November 2018

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

Bulgaria: host of the 22nd Congress of the Carpathian-Balkan Geological Association (CBGA) in 2022

Volume 47 2 November 2018

Valentin Grozdev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev, Bl. 24, 1113 Sofia, Bulgaria
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Irena Peytcheva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev, Bl. 24, 1113 Sofia, Bulgaria; Institute of Geochemistry and Petrology, ETH, 8092 Zurich, Switzerland
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Albrecht von Quadt
Institute of Geochemistry and Petrology, ETH, 8092 Zurich, Switzerland
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Rossitsa D. Vassileva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev, Bl. 24, 1113 Sofia, Bulgaria
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Stoyan Georgiev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev, Bl. 24, 1113 Sofia, Bulgaria

Analysis of the zircon population and Sr-isotope data of the Paleogene igneous rocks from Kyustendil area, SW Bulgaria

Volume 46 2 November 2017

Irena Peytcheva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev, Bl.24, 1113 Sofia; Institute of Geochemistry and Petrology, ETH-Zurich
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Lubomira Macheva
Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev, Bl.7, 1113 Sofia
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Albrecht von Quadt
Institute of Geochemistry and Petrology, ETH-Zurich
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Nikola Zidarov
Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev, Bl.7, 1113 Sofia

Gondwana-derived units in Ograzhden and Belasitsa Mountains, Serbo-Macedonian Massif (SW Bulgaria): combined geochemical, petrological and U-Pb zircon-xenotime age constraints

Volume 44 1-3 December 2015

Stela Atanasova-Vladimirova
Bulgarian Academy of Sciences, Institute of Physical Chemistry, Bulgaria
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Albrecht von Quadt
Institute of Isotope Geochemistry and Mineral Resources, ETH Zurich, Switzerland
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Peter Marchev
Bulgarian Academy of Sciences, Geological Institute, Bulgaria
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Irena Peytcheva
Institute of Isotope Geochemistry and Mineral Resources, ETH Zurich, Switzerland; Bulgarian Academy of Sciences, Geological Institute, Bulgaria
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Iskra Piroeva
Bulgarian Academy of Sciences, Central laboratory of Mineralogy and Crystallography, Bulgaria
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Bozhidar Mavrudchiev
Sofia University, Department of Mineralogy, Petrology, Ores and Minerals, Bulgaria

Petrology and geochronology of the Vitosha volcano-plutonic edifice, Western Srednogorie, Bulgaria

Volume 39 1-2 September 2010

Valentin Grozdev
Geological Institute, Department of Geochemistry and Petrology, Bulgarian Academy of Sciences, Acad.G.Bonchev-Str. Build. 24, 1113 Sofia, Bulgaria
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Stoyan Georgiev
Geological Institute, Department of Geochemistry and Petrology, Bulgarian Academy of Sciences, Acad.G.Bonchev-Str. Build. 24, 1113 Sofia, Bulgaria
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Albrecht von Quadt
Institute of Geochemistry and Petrology, ETH, 8092 Zurich, Switzerland
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Irena Peytcheva
Geological Institute, Department of Geochemistry and Petrology, Bulgarian Academy of Sciences, Acad.G.Bonchev-Str. Build. 24, 1113 Sofia, Bulgaria; Institute of Geochemistry and Petrology, ETH, 8092 Zurich, Switzerland
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Peter Marchev
Geological Institute, Department of Geochemistry and Petrology, Bulgarian Academy of Sciences, Acad.G.Bonchev-Str. Build. 24, 1113 Sofia, Bulgaria
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Todor Serafimovski
Institute of Geology, Faculty of Natural and Technical Sciences, University "Goce Delcev"-Stip, 2000 Stip, FYR Macedonia
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SCOPES team

Tertiary magmatism in SW Bulgaria and Eastern FYR Macedonia: geochemistry, geodynamic setting and relation to mineral resources

Volume 39 1-2 September 2010

Petar Milovanov
Geology and Geophysics Research Institute, 1505 Sofia, Bulgaria, 23 Sitnyakovo blvd
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Ivan Petrov
Bulgarian Academy of science, Geological Institute, 1113 Sofia, Bulgaria, 24 g. Bonchev str.
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Antoaneta Marinova
Sofia University “St. KlimentOhridski”, 1504 Sofia, Bulgaria, 15 Tsar Osvoboditel blvd
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Elitsa Ilieva
University of Mining andGgeology “St. Ivan Rilski”, Sofia, Bulgaria, Student city, Hristo Botev str.
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Irena Peytcheva
Bulgarian Academy of science, Geological Institute, 1113 Sofia, Bulgaria, 24 g. Bonchev str.; IGP, ETH-Zurich, Switzerland
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Albrecht von Quadt
IGP, ETH-Zurich, Switzerland
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Stefka Pristavova
University of Mining andGgeology “St. Ivan Rilski”, Sofia, Bulgaria, Student city, Hristo Botev str.

New geological and geochronological data of granititic and metamorphic rocks from SW Bulgaria, sheets Berovo (K-34-82-G) and Kresna (K-34-83-W) of the new geological map 1:50 000

Volume 39 1-2 September 2010

Melanie Moll
Institute of Geochemistry and Petrology, ETH Zürich, 8092, Zürich, Switzerland
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Albrecht von Quadt
Institute of Geochemistry and Petrology, ETH Zürich, 8092, Zürich, Switzerland
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Irena Peytcheva
Institute of Geochemistry and Petrology, ETH Zürich, 8092, Zürich, Switzerland; Geological Institute, BAS, Sofia, Bulgaria
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Christoph Heinrich
Institute of Geochemistry and Petrology, ETH Zürich, 8092, Zürich, Switzerland

Upper Cretaceous magmatic evolution of the Timok magmatic complex (TMC) and Ridanj-Krepoljin zone (RKZ), East Serbia: Implications from geochemistry and geochronology

Volume 39 1-2 September 2010

Franz Neubauer
Department of Geography and Geology, University of Salzburg, A-5020 Salzburg, Austria
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Stoimen Bilyarski
Dept. of Geology, Sofia University, Sofia, Tzar Osvoboditel Blv. 15, Sofia 1000, Bulgaria
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Johann Genser
Department of Geography and Geology, University of Salzburg, A-5020 Salzburg, Austria
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Zivko Ivanov
Dept. of Geology, Sofia University, Sofia, Tzar Osvoboditel Blv. 15, Sofia 1000, Bulgaria
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Irena Peytcheva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev st., 1113 Sofia, Bulgaria; Institute of Isotope Geology and Mineral Resources, ETH Zurich, Clausiusstrasse 25, CH-8092 Zurich, Switzerland
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Albrecht von Quadt
Institute of Isotope Geology and Mineral Resources, ETH Zurich, Clausiusstrasse 25, CH-8092 Zurich, Switzerland

Jurassic and Cretaceous tectonic evolution of the Sakar and Srednogorie zones, Bulgaria: 40Ar/39Ar mineral ages and structures

Volume 39 1-2 September 2010

Irena Peytcheva
Geological Institute, Department of Geochemistry and Petrology, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Albrecht von Quadt
Institute of Geochemistry and Petrology, ETH, Clausiusstrasse 25, CH-8092 Zurich, Switzerland
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Momchil Dyulgerov
Sofia University “St. Kliment Ohridski”, Faculty of geology and geography, 1000 Sofia, Bulgaria
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Rossen Nedyalkov
Sofia University “St. Kliment Ohridski”, Faculty of geology and geography, 1000 Sofia, Bulgaria

Age and source heterogeneities in the rocks of Lutzkan and Ruy plutons, Bulgaria: some thoughts about their relation to the Aumineralization at “Zlata” deposit

Volume 39 1-2 September 2010

Albrecht von Quadt
Institute of Geochemistry and Petrology, ETH Zurich, Clausiusstr. 25, Switzerland
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Irena Peytcheva
Institute of Geochemistry and Petrology, ETH Zurich, Clausiusstr. 25, Switzerland; Geological Institute, Bulgarian Academy of Science, 1113 Sofia, Bulgaria
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Stoyan Sarov
Research Institute “Geology and Geophysics” Corporation, 23 Sitnyakovo Blv., 1505 Sofia, Bulgaria
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Christoph Heinrich
Institute of Geochemistry and Petrology, ETH Zurich, Clausiusstr. 25, Switzerland

Cretaceous magmatic evolution of the Srednogorie Zone (Bulgaria) and the continuous evolution into the Rhodopen Massif (Bulgaria, Greece)

Volume 39 1-2 September 2010

Irena Peytcheva
Geological Institute, Bulgarian Academy of Science, 1113 Sofia; Institute of Isotope Geochemistry and Mineral Resources, ETH-Zurich, 8092 Zurich
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Albrecht von Quadt
Institute of Isotope Geochemistry and Mineral Resources, ETH-Zurich, 8092 Zurich
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Michail Tarassov
Central Laboratory of Mineralogy and Crystallography, Bulgarian Academy of Science, 1113 Sofia
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Nikola Zidarov
Central Laboratory of Mineralogy and Crystallography, Bulgarian Academy of Science, 1113 Sofia
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Eugenia Tarassova
Central Laboratory of Mineralogy and Crystallography, Bulgarian Academy of Science, 1113 Sofia;
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Valentin Andreichev
Institute of Geology, Ural Division, Russian Academy of Sciences, 167982 Syktyvkar, Russia

Timing of Igralishte pluton in Ograzhden Mountain, SW Bulgaria: implications for the tectono-magmatic evolution of the region

Volume 38 1-3 December 2009

Nikola Zidarov
Central Laboratory of Mineralogy and Crystallography, Bulgarian Academy of Science; 1113 Sofia
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Eugenia Tarassova
Central Laboratory of Mineralogy and Crystallography, Bulgarian Academy of Science; 1113 Sofia
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Irena Peytcheva
Central Laboratory of Mineralogy and Crystallography, Bulgarian Academy of Science; 1113 Sofia
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Rositsa Titorenkova
Central Laboratory of Mineralogy and Crystallography, Bulgarian Academy of Science; 1113 Sofia
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Albrecht von Quadt
Institute of Isotope Geochemistry and Mineral Resources, ETH-Zurich, 8092 Zurich
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Valentin Andreichev
Institute of Geology, Ural Division, Russian Academy of Sciences, 167982 Syktyvkar, Russia

Petrology, geochemistry and age dating of Skrut granitoids – new evidence for Early Triassic magmatism in Belasitsa Mountain (SW Bulgaria)

Volume 36 1-2 June 2007

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GEOLOGICAL INSTITUTE “Strashimir Dimitrov”

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