L. Taran

National Academy of Sciences of Belarus

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Svetlana Bogdanova

Stavropol State Agrarian University

Gražina Skridlaitė

Vilnius University

Elena Kozlovskaya

University of Oulu

Janina Wiszniewska

Polish Geological Institute

Laurence Page

Lund University

Elena Bibikova

AstraZeneca (United States)

Roland Gorbatschev

Lund University

Bogusław Bagiński

University of Warsaw

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Audrius Čečys

Vilnius University

Jukka Yliniemi

University of Oulu

Cooperative Institutions

Lund University

Swedish Museum of Natural History

University of Warsaw

Vilnius University

Polish Academy of Sciences

Czech Academy of Sciences, Institute of Geology

Institute of Geophysics

Russian Academy of Sciences

Palladin Institute of Biochemistry

Institute of Geochemistry

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The Fennoscandia–Sarmatia junction in Belarus: new inferences from a PT -study

Tectonophysics (2001)

L. Taran Svetlana Bogdanova

10.1016/s0040-1951(01)00039-7

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Citations (27)

Danopolonian migmatization of Mesoproterozoic sedimentary rocks in southernmost Sweden: a SIMS zircon study

GFF (2014)

Svetlana Bogdanova Audrius Čečys Elena Bibikova Lev S. Ilyinsky L. Taran

To assess the age and origin of the metasedimentary migmatites in southernmost Sweden and their relationships with the Mesoproterozoic granitoid magmatism in the area, we have dated migmatite zircon using the secondary ion mass spectrometry U–Pb method. The studied metasedimentary migmatites, here called the Nöteboda migmatites, occur along the southwestern boundary of the 1442 Ma Tåghusa granitoid intrusion in southeastern Skåne. They contain the mineral assemblage garnet+biotite ± muscovite+cordierite+sillimanite+quartz+plagioclase+K-feldspar and were formed during a retrograde evolution from c. 750–720°C and 6 kbar (peak conditions) to c. 675°C and 4 kbar. Zircon is characterized by detrital cores surrounded by U-rich rims and overgrowths. Separate rounded metamorphic grains also exist. The age probability–density distribution peaks for detrital zircon are at c. 1700, 1670, 1650, 1610, 1570 and 1530 Ma. These ages suggest Gothian orogenic rocks in the present west as the most probable principal source. Sedimentation occurred after c. 1530 Ma, the age of the youngest detrital zircon, indicating the existence of a previously unknown period of Mesoproterozoic sedimentation in southernmost Sweden. A homogeneous zircon overgrowth yielded a concordant 207Pb/206Pb age of 1439 ± 5 Ma, which dates the migmatization and is close to the age of the Tåghusa intrusion. We conclude that the burial of the sediments down to c. 20 km, their metamorphism and progressive migmatization took place concurrently with granitic magmatism, NE–SW compression, folding and shearing of the crust between 1460 and 1440 Ma during the Danopolonian orogeny.

Migmatite

Orogeny

Muscovite

Sillimanite

10.1080/11035897.2013.855815

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The evolution of the high velocity lower crust beneath the Fennoscandia-Sarmatia Suture Zone (FSSZ), the crust-mantle transition and AMCG magmatism

The EGU General Assembly (2006)

Svetlana Bogdanova Elena Kozlovskaya Tomasz Janik L. Taran Leonid Shumlyanskyy

(1) Department of Geology, Lund University, Solvegatan 12, SE-22362 Lund, Sweden (Svetlana.Bogdanova@geol.lu.se), (2) Sodankyla Geophysical Observatory/Oulu Unit, University of Oulu, FIN-90014 Oulu, Finland, (3) Institute of Geophysics, Polish Academy of Sciences, Ks. Janusza 64, PL-01-452 Warsaw, Poland, (4) Institute of Geochemistry and Geophysics, Kuprievich 7, 220141 Minsk, Belarus,(5) Institute of Geochemistry, Mineralogy and Ore Fomation, NAS, Ukraine

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Deep structure of the crust along the Fennoscandia–Sarmatia Junction Zone (central Belarus): results of a geophysical–geological integration

Tectonophysics (2002)

Elena Kozlovskaya L. Taran Jukka Yliniemi Rüdiger Giese German I Karatayev

Seismic refraction

Reflection

Seismic anisotropy

10.1016/s0040-1951(02)00419-5

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Citations (12)

The Proterozoic tectonothermal history of the western part of the East European Craton: Implications from⁴⁰Ar/³⁹Ar geochronology

GFF (1996)

Svetlana Bogdanova Laurence Page Gražina Skridlaitė L. Taran

Geochronology

10.1080/11035899609546270

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Citations (8)

Proterozoic tectonothermal history in the western part of the East European Craton: 40 Ar/ 39 Ar geochronological constraints

Tectonophysics (2001)

Svetlana Bogdanova Laurence Page Gražina Skridlaitė L. Taran

Mylonite

Baltic Shield

Basement

Amphibole

10.1016/s0040-1951(01)00033-6

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Citations (95)

Recurrent high grade metamorphism recording a 300Ma long Proterozoic crustal evolution in the western part of the East European Craton

Gondwana Research (2013)

Gražina Skridlaitė Svetlana Bogdanova L. Taran Bogusław Bagiński

Baltica

Supercontinent

Laurentia

Orogeny

Baltic Shield

Charnockite

10.1016/j.gr.2013.04.011

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Citations (23)

New NORDSIM evidence for the Mesoproterozoic Danopolonian

Svetlana Bogdanova Audrius Čečys Elena Bibikova L. Taran

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The Palaeoproterozoic accretionary crustal growth: implications from new age data on the crystalline basement in Lithuania, NW Belarus and N Poland (the East European Craton)

EGUGA (2012)

Gražina Skridlaitė Svetlana Bogdanova L. Taran Janina Wiszniewska

Basement

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EUROBRIDGE: new insight into the geodynamic evolution of the East European Craton

Geological Society London Memoirs (2006)

Svetlana Bogdanova Roland Gorbatschev M. Grad Tomasz Janik A. Guterch

Abstract The Palaeoproterozoic crust and upper mantle in the region between the Ukrainian and Baltic shields of the East European Craton were built up finally during collision of the previously independent Fennoscandian and Sarmatian crustal segments at c. 1.8-1.7 Ga. EUROBRIDGE seismic profiling and geophysical modelling across the southwestern part of the Craton suggest that the Central Belarus Suture Zone is the junction between the two colliding segments. This junction is marked by strong deformation of the crust and the presence of a metamorphic core complex. At 1.80-1.74 Ga, major late to post-collisional extension and magmatism affected the part of Sarmatia adjoining the Central Belarus Zone and generated a high-velocity layer at the base of the crust. Other sutures separating terranes of different ages are found within Sarmatia and in the Polish-Lithuanian part of Fennoscandia. While Fennoscandia and Sarmatia were still a long distance apart, orogeny was dominantly accretionary. The accreted Palaeoproterozoic terranes in the Baltic-Belarus region of Fennoscandia are all younger than 2.0 Ga (2.0-1.9, 1.90-1.85 and 1.84-1.82 Ga), whereas those in Sarmatia have ages of c. 2.2-2.1 and 2.0-1.95 Ga. Lithospheric deformation and magmatism at c. 1.50-1.45 Ga, and Devonian rifting, are also defined by the EUROBRIDGE seismic and gravity models.

10.1144/gsl.mem.2006.032.01.36

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Citations (165)