Deep seismic survey images crustal structure of Tornquist Zone beneath southern Baltic Sea

P. Sadowiak; S. Thomas; T. Wever; T. Dickmann; E. Flüh; A. Berthelsen; H. Thybo; T. Dahl-Jensen; N. Balling; E. Nørmark; R. W. Hobbs; L. Klemperer; D. H. Matthews; D. B. Snyder; R. Long; D. Graham; T. Matthews; D. J. Blundell; C. Lund; H. Palm; L. Pedersen; R. Roberts; S. E. Elming; P. Heikkinen; H. Korhonen; U. Luosto; S. E. Hjelt; K. Komminaho; J. Yliniemi

doi:10.1029/91GL00847

Deep seismic survey images crustal structure of Tornquist Zone beneath southern Baltic Sea

P. Sadowiak, S. Thomas, T. Wever, T. Dickmann, E. Flüh, A. Berthelsen, H. Thybo, T. Dahl-Jensen, N. Balling, E. Nørmark, R. W. Hobbs, L. Klemperer, D. H. Matthews, D. B. Snyder, R. Long, D. Graham, T. Matthews, D. J. Blundell, C. Lund, H. PalmL. Pedersen, R. Roberts, S. E. Elming, P. Heikkinen, H. Korhonen, U. Luosto, S. E. Hjelt, K. Komminaho, J. Yliniemi

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Abstract

The Tornquist Zone is Europe's longest tectonic lineament and bisects the continent in a NW‐SE direction from the North Sea (off NW Denmark) to the Black Sea. New deep seismic reflection and coincident refraction data have been collected across its 50km wide, intensely faulted and inverted NW part. The marine reflection profile in the area north of Bornholm Island shows a tilted block structure in the rigid upper crust, whereas the lower crust seems to be more gently uplifted. A complex transition from the highly reflective lower crust to the mantle is indicated by mantle reflections and a curious wide‐angle event recorded by a landstation on Bornholm Island. We suggest that deep‐reaching inversion tectonics, induced by Alpine and Carpathian orogeny, were responsible for the development of the gross crust‐mantle structure of the Tornquist Zone in our study area, which seems to be similar to that in Poland.

Original language	English
Pages (from-to)	1091-1094
Number of pages	4
Journal	Geophysical Research Letters
Volume	18
Issue number	6
DOIs	https://doi.org/10.1029/91GL00847
Publication status	Published - Jun 1991
Externally published	Yes

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Sadowiak, P., Thomas, S., Wever, T., Dickmann, T., Flüh, E., Berthelsen, A., Thybo, H., Dahl-Jensen, T., Balling, N., Nørmark, E., Hobbs, R. W., Klemperer, L., Matthews, D. H., Snyder, D. B., Long, R., Graham, D., Matthews, T., Blundell, D. J., Lund, C., ... Yliniemi, J. (1991). Deep seismic survey images crustal structure of Tornquist Zone beneath southern Baltic Sea. Geophysical Research Letters, 18(6), 1091-1094. https://doi.org/10.1029/91GL00847

@article{50a3c3681f7c40b3bb0b565357f1cb2d,

title = "Deep seismic survey images crustal structure of Tornquist Zone beneath southern Baltic Sea",

abstract = "The Tornquist Zone is Europe's longest tectonic lineament and bisects the continent in a NW‐SE direction from the North Sea (off NW Denmark) to the Black Sea. New deep seismic reflection and coincident refraction data have been collected across its 50km wide, intensely faulted and inverted NW part. The marine reflection profile in the area north of Bornholm Island shows a tilted block structure in the rigid upper crust, whereas the lower crust seems to be more gently uplifted. A complex transition from the highly reflective lower crust to the mantle is indicated by mantle reflections and a curious wide‐angle event recorded by a landstation on Bornholm Island. We suggest that deep‐reaching inversion tectonics, induced by Alpine and Carpathian orogeny, were responsible for the development of the gross crust‐mantle structure of the Tornquist Zone in our study area, which seems to be similar to that in Poland.",

author = "P. Sadowiak and S. Thomas and T. Wever and T. Dickmann and E. Fl{\"u}h and A. Berthelsen and H. Thybo and T. Dahl-Jensen and N. Balling and E. N{\o}rmark and Hobbs, \{R. W.\} and L. Klemperer and Matthews, \{D. H.\} and Snyder, \{D. B.\} and R. Long and D. Graham and T. Matthews and Blundell, \{D. J.\} and C. Lund and H. Palm and L. Pedersen and R. Roberts and Elming, \{S. E.\} and P. Heikkinen and H. Korhonen and U. Luosto and Hjelt, \{S. E.\} and K. Komminaho and J. Yliniemi",

year = "1991",

month = jun,

doi = "10.1029/91GL00847",

language = "English",

volume = "18",

pages = "1091--1094",

journal = "Geophysical Research Letters",

issn = "0094-8276",

publisher = "John Wiley and Sons Inc.",

number = "6",

}

Sadowiak, P, Thomas, S, Wever, T, Dickmann, T, Flüh, E, Berthelsen, A, Thybo, H, Dahl-Jensen, T, Balling, N, Nørmark, E, Hobbs, RW, Klemperer, L, Matthews, DH, Snyder, DB, Long, R, Graham, D, Matthews, T, Blundell, DJ, Lund, C, Palm, H, Pedersen, L, Roberts, R, Elming, SE, Heikkinen, P, Korhonen, H, Luosto, U, Hjelt, SE, Komminaho, K & Yliniemi, J 1991, 'Deep seismic survey images crustal structure of Tornquist Zone beneath southern Baltic Sea', Geophysical Research Letters, vol. 18, no. 6, pp. 1091-1094. https://doi.org/10.1029/91GL00847

TY - JOUR

T1 - Deep seismic survey images crustal structure of Tornquist Zone beneath southern Baltic Sea

AU - Sadowiak, P.

AU - Thomas, S.

AU - Wever, T.

AU - Dickmann, T.

AU - Flüh, E.

AU - Berthelsen, A.

AU - Thybo, H.

AU - Dahl-Jensen, T.

AU - Balling, N.

AU - Nørmark, E.

AU - Hobbs, R. W.

AU - Klemperer, L.

AU - Matthews, D. H.

AU - Snyder, D. B.

AU - Long, R.

AU - Graham, D.

AU - Matthews, T.

AU - Blundell, D. J.

AU - Lund, C.

AU - Palm, H.

AU - Pedersen, L.

AU - Roberts, R.

AU - Elming, S. E.

AU - Heikkinen, P.

AU - Korhonen, H.

AU - Luosto, U.

AU - Hjelt, S. E.

AU - Komminaho, K.

AU - Yliniemi, J.

PY - 1991/6

Y1 - 1991/6

N2 - The Tornquist Zone is Europe's longest tectonic lineament and bisects the continent in a NW‐SE direction from the North Sea (off NW Denmark) to the Black Sea. New deep seismic reflection and coincident refraction data have been collected across its 50km wide, intensely faulted and inverted NW part. The marine reflection profile in the area north of Bornholm Island shows a tilted block structure in the rigid upper crust, whereas the lower crust seems to be more gently uplifted. A complex transition from the highly reflective lower crust to the mantle is indicated by mantle reflections and a curious wide‐angle event recorded by a landstation on Bornholm Island. We suggest that deep‐reaching inversion tectonics, induced by Alpine and Carpathian orogeny, were responsible for the development of the gross crust‐mantle structure of the Tornquist Zone in our study area, which seems to be similar to that in Poland.

AB - The Tornquist Zone is Europe's longest tectonic lineament and bisects the continent in a NW‐SE direction from the North Sea (off NW Denmark) to the Black Sea. New deep seismic reflection and coincident refraction data have been collected across its 50km wide, intensely faulted and inverted NW part. The marine reflection profile in the area north of Bornholm Island shows a tilted block structure in the rigid upper crust, whereas the lower crust seems to be more gently uplifted. A complex transition from the highly reflective lower crust to the mantle is indicated by mantle reflections and a curious wide‐angle event recorded by a landstation on Bornholm Island. We suggest that deep‐reaching inversion tectonics, induced by Alpine and Carpathian orogeny, were responsible for the development of the gross crust‐mantle structure of the Tornquist Zone in our study area, which seems to be similar to that in Poland.

UR - https://www.scopus.com/pages/publications/0026082279

U2 - 10.1029/91GL00847

DO - 10.1029/91GL00847

M3 - Article

AN - SCOPUS:0026082279

SN - 0094-8276

VL - 18

SP - 1091

EP - 1094

JO - Geophysical Research Letters

JF - Geophysical Research Letters

IS - 6

ER -

Deep seismic survey images crustal structure of Tornquist Zone beneath southern Baltic Sea

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