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A model of the lithosphere thickness in the region of the Carpathians

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Резюме

Осре¶rt;ненные временные невязкu Р волн, незaвuсuмые оm нanрaвленuя u рaссчumaнные ¶rt;ля у¶rt;aленных землеmрясенuŭ uз волн, nрuхо¶rt;ящuх nо¶rt; рaзнымu aзuмуmaмu u у

лaмu na¶rt;енuя, ¶rt;aюm основaнuе ¶rt;ля оnре¶rt;еленuя мощносmu лumосферы Кaрnam u uх окресmносmеŭ. Тонкaя лumосферa(60–80 км) оnре¶rt;еленa ¶rt;ля Пaннонско

о u Трaнсuльвaнско

о бaссеŭнов, a сaмaя мощнaя лumосферa(около 180 км) нaхо¶rt;umся nо¶rt; Южнымu Кaрnamaмu. В ¶rt;ру

uх чaсmях Кaрnamско

о nоясa мощносmь лumосферы нaрaсmaеm во внешнuх зонaх в нanрaвленuu к ю

о-зana¶rt;ноŭ окрauне Восmочно-Евроnеŭскоŭ u Мол¶rt;aвскоŭ nлamформ. Нaблю¶rt;aеmся хорошaя корреляцuя мощносmu лumосферы, оnре¶rt;еленноŭ нa основе невязок временu Р волн, с мa

нumоmеллурuческuмu ¶rt;aннымu nо

лубuне слоя nовышенноŭ элекmроnрово¶rt;uмосmu в верхнеŭ мaнmuu.

Summary

Directionally independent average P residuals computed for waves of teleseismic events arriving under various azimuths and incidence angles provided the basis for estimating the lithosphere thickness beneath the Carpathians and their surroundings. A thin lithosphere (60–80 km) was determined for the Pannonian Basin and the Transylvanian Basin, the thickest lithosphere(about 180 km) beneath the South Carpathians at the contact with the Moesian Platform. In other parts of the Carpathian belt the lithosphere thickens beneath the outer parts towards the SW margin of the East-European and the Moldavian Platforms. The lithosphere thicknesses derived from P residuals correlate well with the magnetotelluric determinations of a layer of increased electrical conductivity in the upper mantle.

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Authors and Affiliations

  1. Geophysical Institute, Slovak Acad. Sci., Bratislava

    Pavel Pajdušák

  2. Geophysical Institute, Czechosl. Acad. Sci., Prague

    Jaroslava Plomerová & Vladislav Babuška

Authors
  1. Pavel Pajdušák
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  2. Jaroslava Plomerová
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  3. Vladislav Babuška
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Pajdušák, P., Plomerová, J. & Babuška, V. A model of the lithosphere thickness in the region of the Carpathians. Stud Geophys Geod 33, 11–21 (1989). https://doi.org/10.1007/BF01649628

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  • DOI: https://doi.org/10.1007/BF01649628

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