Integrated seismic model of the crust and upper mantle of the Trans-European Suture zone between the Precambrian craton and Phanerozoic terranes in Central Europe

Wilde−Piórko, Monika; Świeczak, Marzena; Grad, M.; Majdański, Mariusz

doi:10.1016/j.tecto.2009.05.002

Cited by 53 publications

(41 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…1). The TTZ cor re sponds to a ma jor lithospheric bound ary sep a rat ing the cold cratonic, 200 km thick litho sphere of the EEP from the much thin ner (90-120 km) and hot ter litho sphere of the Pa leozoic Plat form (Wilde-Piórko et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Basement structure of the Paleozoic Platform in Poland

Narkiewicz

Petecki

2017

View full text Add to dashboard Cite

1 Pol ish Geo log i cal In sti tute -Na tional Re search In sti tute, Rakowiecka 4, 00-975 Warszawa, Po land Narkiewicz, M., Petecki, Z., 2017. Base ment struc ture of the Pa leo zoic Plat form in Po land. Geo log i cal Quar terly, 61 (2): 502-520, doi: 10.7306/gq.XXXX The Pa leo zoic Plat form com prises the south west ern half of the Pol ish ter ri tory, sep a rated from the Pre cam brian East Eu ropean Plat form (EEP) by a NW-SE trending subvertical lithospheric-scale dis con ti nu ity -the Teisseyre-Tornquist Zone. In the pres ent study, the Pa leo zoic Plat form base ment is sub di vided based on geo log i cal and geo phys i cal ev i dence ac quired dur ing the last de cades, in clud ing deep seis mic re frac tion and re flec tion re sults, as well as grav ity, mag netic and magnetotelluric data. The units ad ja cent to the EEP, the Mid-Pol ish Do main (com pris ing the £ysogóry Block) and the Pom era nian Block, are char ac ter ized by a thinned three-layer EEP-type crys tal line crust (age 1.7-3.7 Gy). Their old est plat form cover is prob a bly com posed of thick Ediacaran syn-rift sed i men tary and vol ca nic rocks. Their west ern ex ten sion in the contig u ous Ger man and Bal tic area can be traced as far as the East Elbian Mas sif and Thor Su ture based mainly on mag netic anom aly pat terns. The Up per Silesian and Ma³opolska blocks lo cated in SE Po land are char ac ter ized by Cadomian (660-600 My) base ment over lain by the thick de formed Ediacaran foredeep de pos its. Whereas the units with the EEP-type base ment are in ter preted as prox i mal ter ranes dis placed along the EEP mar gin dur ing the late Early Pa leo zoic, the blocks with a Cadomian base ment are con ceived as ex otic ter ranes of a pos si ble Gondwanan prov e nance. All these ter ranes were accreted ul ti mately dur ing the fi nal, lat est Si lu rian stages of the Cal edo nian de for ma tion al though the ex act sce nario of the amal gam ation re mains hy po thet i cal. The Sudetic Do main in SW Po land is a col lage of dif fer ent crustal units jux ta posed ul timately in the Penn syl va nian (ca. 310 Ma) dur ing the fi nal ep i sodes of the Variscan Orog eny. Their north ern bound ary cor responds to the Rheic Su ture trace able in mag netic and grav ity anom a lies pat tern along the north ern mar gin of the Wolsztyn-Leszno High, and con tin u ing west wards along the Mid-Ger man Crys tal line High. The ar cu ate trace of the su ture in the NE is dextrally dis placed along the Odra Fault, and con tin ues south wards where it is mapped as the Moravian-Silesian Su ture.

show abstract

Section: Introductionmentioning

confidence: 99%

Basement structure of the Paleozoic Platform in Poland

Narkiewicz

Petecki

2017

View full text Add to dashboard Cite

show abstract

“…In the Polish part of the EEC the seismic lithosphere thickness is about 200 km, while it is only 90 km south of TESZ in the Paleozoic platform (Wilde-Piórko et al 2010). Till now, we had no deep seismic data in the area of the "13 BB star" array.…”

Section: P-wave Velocity Modelmentioning

confidence: 95%

“…So, we used a P-wave velocity model for the P4 profile, which was integrated from deep refraction investigations, receiver function, and P-residuals method. The mantle model down to a depth of 300 km was extracted from the 2D model beneath profile P4 (at 412.5 km; Wilde-Piórko et al 2010) and is shown in Fig. 3b.…”

Section: P-wave Velocity Modelmentioning

confidence: 99%

“…The red circle shows the location of the "13 BB star" array in northern Poland (Grad et al 2015). The P4-dot shows the location of the V p mantle model from profile P4 (Wilde-Piórko et al 2010). The orange dotted line shows a profile for which mantle models are shown in Fig.…”

Section: S-wave Velocity Models From Surface Wavesmentioning

confidence: 99%

“…The dark blue line is geotherm for the Baltic Shield (Maj 1991). The orange line shows enriched peridotite solidus (MacKenzie and Canil 1999;Hirschmann 2000) (a) Initial data were P-wave velocity compiled for the mantle from deep seismic refraction, P-residuals, and receiver function (Wilde-Piórko et al 2010). The P-wave velocity model is shown in Fig.…”

Section: Densitymentioning

confidence: 99%

See 2 more Smart Citations

The geophysical characteristic of the lower lithosphere and asthenosphere in the marginal zone of the East European Craton

Grad

Puziewicz

Majorowicz³

et al. 2018

Int J Earth Sci (Geol Rundsch)

Self Cite

View full text Add to dashboard Cite

Seismic P-and S-wave velocities of the lower lithosphere and underlying asthenosphere at the SW margin of the East European Craton in northern Poland were obtained with different seismic techniques: seismic refraction, P-residuals of the first arrivals from teleseismic earthquakes, P-wave receiver function, and inversion of the Rayleigh surface wave dispersion curves, the last two using data collected in the passive seismic experiment "13 BB star". The uniform array consisted of 13 stations deployed in a 120 km in diameter area. Below the depth of 180-220 km a decrease of about 6% of the S-wave velocity is interpreted as a thermal gradient zone corresponding to a lithosphere-asthenosphere transition. The average mantle velocities down to a depth of 300 km beneath the array are relatively high, exceeding values for other Precambrian cratons by 0.1-0.2 km/s, and cannot be modeled by reasonable mantle peridotite compositions in the lithospheric part of the profile. We suggest that significant peridotite anisotropy could explain the misfit between measured and calculated seismic velocities in the lithosphere.

show abstract

Is the Teisseyre‐Tornquist Zone an ancient plate boundary of Baltica?

et al. 2015

View full text Add to dashboard Cite

The Teisseyre-Tornquist Zone (TTZ) is generally regarded as a fossil plate boundary in Europe that extends 2000 km from the Baltic Sea to the Black Sea. We used an integrated approach merging potential fields and seismic data to explore crustal architecture across the TTZ in central Poland. The aim of the study was to test whether the TTZ coincides with an early Paleozoic (Caledonian) suture formed through the closure of the Tornquist Ocean along the SW Baltica margin. The suture is presumed to separate the East European Craton (EEC) from the Paleozoic terranes of Western Europe. Two seismic reflection lines from the PolandSPAN ™ experiment were used to image the deep structure at the SW margin of the EEC. Lines PL-5300 and PL-5400 run NE-SW in central and northern Poland, respectively. The seismic interpretation down to top of basement was integrated with 2-D gravity and magnetic modeling to highlight the structure of the deep crust. Both the gravity and magnetic models show a suture that welds together two blocks at the base of crust. However, top of basement above the suture dips uniformly to the SW and is overlain by undisturbed lower Paleozoic and younger sediments. By implication, the suture must have developed in the Precambrian and both crustal blocks amalgamated belong to the EEC. Consequently, the Caledonian suture, formed by the closure of the Tornquist Ocean between Avalonia and Baltica, must be located farther southwest beneath thick upper Paleozoic and Mesozoic sediments.

show abstract

Integrated seismic model of the crust and upper mantle of the Trans-European Suture zone between the Precambrian craton and Phanerozoic terranes in Central Europe

Cited by 53 publications

References 47 publications

Basement structure of the Paleozoic Platform in Poland

Basement structure of the Paleozoic Platform in Poland

The geophysical characteristic of the lower lithosphere and asthenosphere in the marginal zone of the East European Craton

Is the Teisseyre‐Tornquist Zone an ancient plate boundary of Baltica?

Contact Info

Product

Resources

About