Depth of crustal conducting layer and asthenosphere in the Pannonian basin determined by magnetotellurics

A. Ádám, L. L. Vanyan, D. A. Varlamov, I. V. Yegorov, A. P. Shilovski, P. P. Shilovski

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

On the basis of numerical modelling and statistical investigations of the horizontal electrical inhomogeneities (narrow fractures, change of conductance of the surface sediments) ρmin magnetotelluric (MT)-sounding curves were found to be less distorted and, therefore, they can be used for the determination of deep conducting formations in the crust and upper mantle. Carefully selected MT curves indicate the crustal conductive layer at depths of 7-13 km and the conductive asthenosphere between 50 and 80 km. The relatively shallow position of the asthenosphere corresponds to the high heat flow (q > 80 mW m-1) in the Pannonian basin according to the empirical relation derived by Ádám (1978).

Original languageEnglish
Pages (from-to)251-260
Number of pages10
JournalPhysics of the Earth and Planetary Interiors
Volume28
Issue number3
DOIs
Publication statusPublished - Jun 1982

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Geophysics
  • Physics and Astronomy (miscellaneous)
  • Space and Planetary Science

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