Moho depth across the Trans-European Suture Zone from P- and S-receiver functions

Brigitte Knapmeyer-Endrun, Frank Krüger, M. Wilde-Piórko, W. H. Geissler, J. Plomerová, M. Grad, V. Babuška, E. Brückl, J. Cyziene, W. Czuba, R. England, E. Gaczyński, R. Gazdova, S. Gregersen, A. Guterch, W. Hanka, E. Hegedűs, B. Heuer, P. Jedlička, J. LazauskieneG. R. Keller, R. Kind, K. Klinge, P. Kolinsky, K. Komminaho, E. Kozlovskaya, F. Krüger, T. Larsen, M. Majdański, J. Malek, G. Motuza, O. Novotný, R. Pietrasiak, T. Plenefisch, B. Růžek, S. Sliaupa, P. Środa, M. Świeczak, T. Tiira, P. Voss, P. Wiejacz

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The Mohorovičić discontinuity, Moho for short, which marks the boundary between crust and mantle, is the main first-order structure within the lithosphere. Geodynamics and tectonic evolution determine its depth level and properties. Here, we present a map of the Moho in central Europe across the Teisseyre-Tornquist Zone, a region for which a number of previous studies are available. Our results are based on homogeneous and consistent processing of P- and S-receiver functions for the largest passive seismological data set in this region yet, consisting of more than 40 000 receiver functions from almost 500 station. Besides, we also provide new results for the crustal vP/vS ratio for the whole area.Our results are in good agreement with previous, more localized receiver function studies, as well as with the interpretation of seismic profiles, while at the same time resolving a higher level of detail than previous maps covering the area, for example regarding the Eifel Plume region, Rhine Graben and northern Alps. The close correspondence with the seismic data regarding crustal structure also increases confidence in use of the data in crustal corrections and the imaging of deeper structure, for which no independent seismic information is available.In addition to the pronounced, stepwise transition from crustal thicknesses of 30 km in Phanerozoic Europe to more than 45 beneath the East European Craton, we can distinguish other terrane boundaries based on Moho depth as well as average crustal vP/vS ratio and Moho phase amplitudes. The terranes with distinct crustal properties span a wide range of ages, from Palaeoproterozoic in Lithuania to Cenozoic in the Alps, reflecting the complex tectonic history of Europe. Crustal thickness and properties in the study area are also markedly influenced by tectonic overprinting, for example the formation of the Central European Basin System, and the European Cenozoic Rift System. In the areas affected by Cenozoic rifting and volcanism, thinning of the crust corresponds to lithospheric updoming reported in recent surface wave and S-receiver function studies, as expected for thermally induced deformation. The same correlation applies for crustal thickening, not only across the Trans-European Suture Zone, but also within the southern part of the Bohemian Massif.A high Poisson's ratio of 0.27 is obtained for the craton, which is consistent with a thick mafic lower crust. In contrast, we typically find Poisson's ratios around 0.25 for Phanerozoic Europe outside of deep sedimentary basins. Mapping of the thickness of the shallowest crustal layer, that is low-velocity sediments or weathered rock, indicates values in excess of 6 km for the most pronounced basins in the study area, while thicknesses of less than 4 km are found within the craton, central Germany and most of the Czech Republic.

Original languageEnglish
Pages (from-to)1048-1075
Number of pages28
JournalGeophysical Journal International
Volume197
Issue number2
DOIs
Publication statusPublished - 2014

Fingerprint

suture zone
Moho
Tectonics
receivers
cratons
craton
Poisson ratio
crustal thickness
tectonics
Phanerozoic
crusts
terrane
crust
Geodynamics
Lithuania
overprinting
crustal thickening
Central Europe
crustal structure
Czech Republic

Keywords

  • Body waves
  • Cratons
  • Crustal structure
  • Europe

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

Cite this

Knapmeyer-Endrun, B., Krüger, F., Wilde-Piórko, M., Geissler, W. H., Plomerová, J., Grad, M., ... Wiejacz, P. (2014). Moho depth across the Trans-European Suture Zone from P- and S-receiver functions. Geophysical Journal International, 197(2), 1048-1075. https://doi.org/10.1093/gji/ggu035

Moho depth across the Trans-European Suture Zone from P- and S-receiver functions. / Knapmeyer-Endrun, Brigitte; Krüger, Frank; Wilde-Piórko, M.; Geissler, W. H.; Plomerová, J.; Grad, M.; Babuška, V.; Brückl, E.; Cyziene, J.; Czuba, W.; England, R.; Gaczyński, E.; Gazdova, R.; Gregersen, S.; Guterch, A.; Hanka, W.; Hegedűs, E.; Heuer, B.; Jedlička, P.; Lazauskiene, J.; Keller, G. R.; Kind, R.; Klinge, K.; Kolinsky, P.; Komminaho, K.; Kozlovskaya, E.; Krüger, F.; Larsen, T.; Majdański, M.; Malek, J.; Motuza, G.; Novotný, O.; Pietrasiak, R.; Plenefisch, T.; Růžek, B.; Sliaupa, S.; Środa, P.; Świeczak, M.; Tiira, T.; Voss, P.; Wiejacz, P.

In: Geophysical Journal International, Vol. 197, No. 2, 2014, p. 1048-1075.

Research output: Contribution to journalArticle

Knapmeyer-Endrun, B, Krüger, F, Wilde-Piórko, M, Geissler, WH, Plomerová, J, Grad, M, Babuška, V, Brückl, E, Cyziene, J, Czuba, W, England, R, Gaczyński, E, Gazdova, R, Gregersen, S, Guterch, A, Hanka, W, Hegedűs, E, Heuer, B, Jedlička, P, Lazauskiene, J, Keller, GR, Kind, R, Klinge, K, Kolinsky, P, Komminaho, K, Kozlovskaya, E, Krüger, F, Larsen, T, Majdański, M, Malek, J, Motuza, G, Novotný, O, Pietrasiak, R, Plenefisch, T, Růžek, B, Sliaupa, S, Środa, P, Świeczak, M, Tiira, T, Voss, P & Wiejacz, P 2014, 'Moho depth across the Trans-European Suture Zone from P- and S-receiver functions', Geophysical Journal International, vol. 197, no. 2, pp. 1048-1075. https://doi.org/10.1093/gji/ggu035
Knapmeyer-Endrun B, Krüger F, Wilde-Piórko M, Geissler WH, Plomerová J, Grad M et al. Moho depth across the Trans-European Suture Zone from P- and S-receiver functions. Geophysical Journal International. 2014;197(2):1048-1075. https://doi.org/10.1093/gji/ggu035
Knapmeyer-Endrun, Brigitte ; Krüger, Frank ; Wilde-Piórko, M. ; Geissler, W. H. ; Plomerová, J. ; Grad, M. ; Babuška, V. ; Brückl, E. ; Cyziene, J. ; Czuba, W. ; England, R. ; Gaczyński, E. ; Gazdova, R. ; Gregersen, S. ; Guterch, A. ; Hanka, W. ; Hegedűs, E. ; Heuer, B. ; Jedlička, P. ; Lazauskiene, J. ; Keller, G. R. ; Kind, R. ; Klinge, K. ; Kolinsky, P. ; Komminaho, K. ; Kozlovskaya, E. ; Krüger, F. ; Larsen, T. ; Majdański, M. ; Malek, J. ; Motuza, G. ; Novotný, O. ; Pietrasiak, R. ; Plenefisch, T. ; Růžek, B. ; Sliaupa, S. ; Środa, P. ; Świeczak, M. ; Tiira, T. ; Voss, P. ; Wiejacz, P. / Moho depth across the Trans-European Suture Zone from P- and S-receiver functions. In: Geophysical Journal International. 2014 ; Vol. 197, No. 2. pp. 1048-1075.
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T1 - Moho depth across the Trans-European Suture Zone from P- and S-receiver functions

AU - Knapmeyer-Endrun, Brigitte

AU - Krüger, Frank

AU - Wilde-Piórko, M.

AU - Geissler, W. H.

AU - Plomerová, J.

AU - Grad, M.

AU - Babuška, V.

AU - Brückl, E.

AU - Cyziene, J.

AU - Czuba, W.

AU - England, R.

AU - Gaczyński, E.

AU - Gazdova, R.

AU - Gregersen, S.

AU - Guterch, A.

AU - Hanka, W.

AU - Hegedűs, E.

AU - Heuer, B.

AU - Jedlička, P.

AU - Lazauskiene, J.

AU - Keller, G. R.

AU - Kind, R.

AU - Klinge, K.

AU - Kolinsky, P.

AU - Komminaho, K.

AU - Kozlovskaya, E.

AU - Krüger, F.

AU - Larsen, T.

AU - Majdański, M.

AU - Malek, J.

AU - Motuza, G.

AU - Novotný, O.

AU - Pietrasiak, R.

AU - Plenefisch, T.

AU - Růžek, B.

AU - Sliaupa, S.

AU - Środa, P.

AU - Świeczak, M.

AU - Tiira, T.

AU - Voss, P.

AU - Wiejacz, P.

PY - 2014

Y1 - 2014

N2 - The Mohorovičić discontinuity, Moho for short, which marks the boundary between crust and mantle, is the main first-order structure within the lithosphere. Geodynamics and tectonic evolution determine its depth level and properties. Here, we present a map of the Moho in central Europe across the Teisseyre-Tornquist Zone, a region for which a number of previous studies are available. Our results are based on homogeneous and consistent processing of P- and S-receiver functions for the largest passive seismological data set in this region yet, consisting of more than 40 000 receiver functions from almost 500 station. Besides, we also provide new results for the crustal vP/vS ratio for the whole area.Our results are in good agreement with previous, more localized receiver function studies, as well as with the interpretation of seismic profiles, while at the same time resolving a higher level of detail than previous maps covering the area, for example regarding the Eifel Plume region, Rhine Graben and northern Alps. The close correspondence with the seismic data regarding crustal structure also increases confidence in use of the data in crustal corrections and the imaging of deeper structure, for which no independent seismic information is available.In addition to the pronounced, stepwise transition from crustal thicknesses of 30 km in Phanerozoic Europe to more than 45 beneath the East European Craton, we can distinguish other terrane boundaries based on Moho depth as well as average crustal vP/vS ratio and Moho phase amplitudes. The terranes with distinct crustal properties span a wide range of ages, from Palaeoproterozoic in Lithuania to Cenozoic in the Alps, reflecting the complex tectonic history of Europe. Crustal thickness and properties in the study area are also markedly influenced by tectonic overprinting, for example the formation of the Central European Basin System, and the European Cenozoic Rift System. In the areas affected by Cenozoic rifting and volcanism, thinning of the crust corresponds to lithospheric updoming reported in recent surface wave and S-receiver function studies, as expected for thermally induced deformation. The same correlation applies for crustal thickening, not only across the Trans-European Suture Zone, but also within the southern part of the Bohemian Massif.A high Poisson's ratio of 0.27 is obtained for the craton, which is consistent with a thick mafic lower crust. In contrast, we typically find Poisson's ratios around 0.25 for Phanerozoic Europe outside of deep sedimentary basins. Mapping of the thickness of the shallowest crustal layer, that is low-velocity sediments or weathered rock, indicates values in excess of 6 km for the most pronounced basins in the study area, while thicknesses of less than 4 km are found within the craton, central Germany and most of the Czech Republic.

AB - The Mohorovičić discontinuity, Moho for short, which marks the boundary between crust and mantle, is the main first-order structure within the lithosphere. Geodynamics and tectonic evolution determine its depth level and properties. Here, we present a map of the Moho in central Europe across the Teisseyre-Tornquist Zone, a region for which a number of previous studies are available. Our results are based on homogeneous and consistent processing of P- and S-receiver functions for the largest passive seismological data set in this region yet, consisting of more than 40 000 receiver functions from almost 500 station. Besides, we also provide new results for the crustal vP/vS ratio for the whole area.Our results are in good agreement with previous, more localized receiver function studies, as well as with the interpretation of seismic profiles, while at the same time resolving a higher level of detail than previous maps covering the area, for example regarding the Eifel Plume region, Rhine Graben and northern Alps. The close correspondence with the seismic data regarding crustal structure also increases confidence in use of the data in crustal corrections and the imaging of deeper structure, for which no independent seismic information is available.In addition to the pronounced, stepwise transition from crustal thicknesses of 30 km in Phanerozoic Europe to more than 45 beneath the East European Craton, we can distinguish other terrane boundaries based on Moho depth as well as average crustal vP/vS ratio and Moho phase amplitudes. The terranes with distinct crustal properties span a wide range of ages, from Palaeoproterozoic in Lithuania to Cenozoic in the Alps, reflecting the complex tectonic history of Europe. Crustal thickness and properties in the study area are also markedly influenced by tectonic overprinting, for example the formation of the Central European Basin System, and the European Cenozoic Rift System. In the areas affected by Cenozoic rifting and volcanism, thinning of the crust corresponds to lithospheric updoming reported in recent surface wave and S-receiver function studies, as expected for thermally induced deformation. The same correlation applies for crustal thickening, not only across the Trans-European Suture Zone, but also within the southern part of the Bohemian Massif.A high Poisson's ratio of 0.27 is obtained for the craton, which is consistent with a thick mafic lower crust. In contrast, we typically find Poisson's ratios around 0.25 for Phanerozoic Europe outside of deep sedimentary basins. Mapping of the thickness of the shallowest crustal layer, that is low-velocity sediments or weathered rock, indicates values in excess of 6 km for the most pronounced basins in the study area, while thicknesses of less than 4 km are found within the craton, central Germany and most of the Czech Republic.

KW - Body waves

KW - Cratons

KW - Crustal structure

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