Seismic velocity model of the crust and upper mantle along profile PANCAKE across the Carpathians between the Pannonian Basin and the East European Craton

V. Starostenko, T. Janik, K. Kolomiyets, W. Czuba, P. Środa, M. Grad, I. Kovács, R. Stephenson, D. Lysynchuk, H. Thybo, I. M. Artemieva, V. Omelchenko, O. Gintov, R. Kutas, D. Gryn, A. Guterch, E. Hegedűs, K. Komminaho, O. Legostaeva, T. TiiraA. Tolkunov

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Results are presented of a seismic wide-angle reflection/refraction survey along a profile between the Pannonian Basin (PB) and the East European Craton (EEC) called PANCAKE. The P- and S-wave velocity model derived can be divided into three sectors: the PB; the Carpathians, including the Transcarpathian Depression and the Carpathian Foredeep; and the south-western part of the EEC, including the Trans European Suture Zone (TESZ). Seismic data support a robust model of the Vp velocity structure of the crust. In the PB, the 22-23km thick crust consists of a 2-5km thick sedimentary layer (Vp=2.4-3.7km/s), 17-20km thick upper crystalline crust (5.9-6.3km/s) and an up to 3km thick lower crustal layer (Vp=6.4km/s). In the central part of the Carpathians, a 10-24km thick uppermost part of the crust with Vp≤6.0km/s may correspond to sedimentary rocks of different ages; several high velocity bodies (Vp=5.35, 5.95 and 6.05km/s) within the sedimentary flysch sequences may represent volcanic sequences. The Moho depth changes from 25km to 45km over ca. 100km distance beneath the Carpathians, west of TESZ. The cratonic crust has a typical three layer structure with a pronounced thickening of the lower crust towards the Ukrainian Shield, where a high velocity lower crust (Vp>7.2km/s) is observed. Two low-velocity lenses in the upper crust of the EEC are interpreted beneath major sedimentary troughs (Lviv and Volyn-Podolsk). Mantle reflectors are observed at depths of ~45km and ~75km below the PB and 10-20km below the Moho in the EEC. Sub-Moho (Pn) velocities increase from 8.0km/s beneath the PB to 8.1km/s beneath the Carpathians and to ~8.3km/s beneath the EEC. S-waves of acceptable quality are recorded in the EEC; their signal-to-noise ratios increase towards the Ukrainian Shield.

Original languageEnglish
Pages (from-to)1049-1072
Number of pages24
JournalTectonophysics
Volume608
DOIs
Publication statusPublished - Nov 26 2013

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cratons
seismic velocity
craton
upper mantle
crusts
Earth mantle
crust
profiles
Moho
basin
suture zone
lower crust
S-wave
shield
low speed
S waves
forearc basin
flysch
velocity structure
refraction

Keywords

  • Carpathians
  • Crust
  • East European craton
  • Pannonian basin
  • Seismic modelling
  • Upper mantle

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Geophysics

Cite this

Seismic velocity model of the crust and upper mantle along profile PANCAKE across the Carpathians between the Pannonian Basin and the East European Craton. / Starostenko, V.; Janik, T.; Kolomiyets, K.; Czuba, W.; Środa, P.; Grad, M.; Kovács, I.; Stephenson, R.; Lysynchuk, D.; Thybo, H.; Artemieva, I. M.; Omelchenko, V.; Gintov, O.; Kutas, R.; Gryn, D.; Guterch, A.; Hegedűs, E.; Komminaho, K.; Legostaeva, O.; Tiira, T.; Tolkunov, A.

In: Tectonophysics, Vol. 608, 26.11.2013, p. 1049-1072.

Research output: Contribution to journalArticle

Starostenko, V, Janik, T, Kolomiyets, K, Czuba, W, Środa, P, Grad, M, Kovács, I, Stephenson, R, Lysynchuk, D, Thybo, H, Artemieva, IM, Omelchenko, V, Gintov, O, Kutas, R, Gryn, D, Guterch, A, Hegedűs, E, Komminaho, K, Legostaeva, O, Tiira, T & Tolkunov, A 2013, 'Seismic velocity model of the crust and upper mantle along profile PANCAKE across the Carpathians between the Pannonian Basin and the East European Craton', Tectonophysics, vol. 608, pp. 1049-1072. https://doi.org/10.1016/j.tecto.2013.07.008
Starostenko, V. ; Janik, T. ; Kolomiyets, K. ; Czuba, W. ; Środa, P. ; Grad, M. ; Kovács, I. ; Stephenson, R. ; Lysynchuk, D. ; Thybo, H. ; Artemieva, I. M. ; Omelchenko, V. ; Gintov, O. ; Kutas, R. ; Gryn, D. ; Guterch, A. ; Hegedűs, E. ; Komminaho, K. ; Legostaeva, O. ; Tiira, T. ; Tolkunov, A. / Seismic velocity model of the crust and upper mantle along profile PANCAKE across the Carpathians between the Pannonian Basin and the East European Craton. In: Tectonophysics. 2013 ; Vol. 608. pp. 1049-1072.
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T1 - Seismic velocity model of the crust and upper mantle along profile PANCAKE across the Carpathians between the Pannonian Basin and the East European Craton

AU - Starostenko, V.

AU - Janik, T.

AU - Kolomiyets, K.

AU - Czuba, W.

AU - Środa, P.

AU - Grad, M.

AU - Kovács, I.

AU - Stephenson, R.

AU - Lysynchuk, D.

AU - Thybo, H.

AU - Artemieva, I. M.

AU - Omelchenko, V.

AU - Gintov, O.

AU - Kutas, R.

AU - Gryn, D.

AU - Guterch, A.

AU - Hegedűs, E.

AU - Komminaho, K.

AU - Legostaeva, O.

AU - Tiira, T.

AU - Tolkunov, A.

PY - 2013/11/26

Y1 - 2013/11/26

N2 - Results are presented of a seismic wide-angle reflection/refraction survey along a profile between the Pannonian Basin (PB) and the East European Craton (EEC) called PANCAKE. The P- and S-wave velocity model derived can be divided into three sectors: the PB; the Carpathians, including the Transcarpathian Depression and the Carpathian Foredeep; and the south-western part of the EEC, including the Trans European Suture Zone (TESZ). Seismic data support a robust model of the Vp velocity structure of the crust. In the PB, the 22-23km thick crust consists of a 2-5km thick sedimentary layer (Vp=2.4-3.7km/s), 17-20km thick upper crystalline crust (5.9-6.3km/s) and an up to 3km thick lower crustal layer (Vp=6.4km/s). In the central part of the Carpathians, a 10-24km thick uppermost part of the crust with Vp≤6.0km/s may correspond to sedimentary rocks of different ages; several high velocity bodies (Vp=5.35, 5.95 and 6.05km/s) within the sedimentary flysch sequences may represent volcanic sequences. The Moho depth changes from 25km to 45km over ca. 100km distance beneath the Carpathians, west of TESZ. The cratonic crust has a typical three layer structure with a pronounced thickening of the lower crust towards the Ukrainian Shield, where a high velocity lower crust (Vp>7.2km/s) is observed. Two low-velocity lenses in the upper crust of the EEC are interpreted beneath major sedimentary troughs (Lviv and Volyn-Podolsk). Mantle reflectors are observed at depths of ~45km and ~75km below the PB and 10-20km below the Moho in the EEC. Sub-Moho (Pn) velocities increase from 8.0km/s beneath the PB to 8.1km/s beneath the Carpathians and to ~8.3km/s beneath the EEC. S-waves of acceptable quality are recorded in the EEC; their signal-to-noise ratios increase towards the Ukrainian Shield.

AB - Results are presented of a seismic wide-angle reflection/refraction survey along a profile between the Pannonian Basin (PB) and the East European Craton (EEC) called PANCAKE. The P- and S-wave velocity model derived can be divided into three sectors: the PB; the Carpathians, including the Transcarpathian Depression and the Carpathian Foredeep; and the south-western part of the EEC, including the Trans European Suture Zone (TESZ). Seismic data support a robust model of the Vp velocity structure of the crust. In the PB, the 22-23km thick crust consists of a 2-5km thick sedimentary layer (Vp=2.4-3.7km/s), 17-20km thick upper crystalline crust (5.9-6.3km/s) and an up to 3km thick lower crustal layer (Vp=6.4km/s). In the central part of the Carpathians, a 10-24km thick uppermost part of the crust with Vp≤6.0km/s may correspond to sedimentary rocks of different ages; several high velocity bodies (Vp=5.35, 5.95 and 6.05km/s) within the sedimentary flysch sequences may represent volcanic sequences. The Moho depth changes from 25km to 45km over ca. 100km distance beneath the Carpathians, west of TESZ. The cratonic crust has a typical three layer structure with a pronounced thickening of the lower crust towards the Ukrainian Shield, where a high velocity lower crust (Vp>7.2km/s) is observed. Two low-velocity lenses in the upper crust of the EEC are interpreted beneath major sedimentary troughs (Lviv and Volyn-Podolsk). Mantle reflectors are observed at depths of ~45km and ~75km below the PB and 10-20km below the Moho in the EEC. Sub-Moho (Pn) velocities increase from 8.0km/s beneath the PB to 8.1km/s beneath the Carpathians and to ~8.3km/s beneath the EEC. S-waves of acceptable quality are recorded in the EEC; their signal-to-noise ratios increase towards the Ukrainian Shield.

KW - Carpathians

KW - Crust

KW - East European craton

KW - Pannonian basin

KW - Seismic modelling

KW - Upper mantle

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