Two kinds of characteristic ΔZ conductivity anomaly in West Hungary and their appearance in R.T.F.S. and M.T.S.

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Abstract

Different types of induction measurements (relative telluric frequency soundings, magnetotelluric frequency soundings, geomagnetic deep sounding) indicated a characteristic conductivity anomaly in West Hungary (Dunántúl). The conducting layer rises to a depth of 7 km in the centre of the anomaly with a horizontal conductivity of S = 10,000 μ-1 according to M.T.S, while at the flanks, it sinks to depths of several tens of kilometres. Accordingly, ΔZ is 0 in the centre of the anomaly (high-cut ΔZ), and in the flanks the Wiese-vector points outwards from the anomaly (direction anomaly). Therefore, this is an excellent example of both types of Uyeda and Rikitake's conductivity anomalies. In the last part, the author discusses some problems of the interpretation of the anomaly.

Original languageEnglish
Pages (from-to)486-490
Number of pages5
JournalPhysics of the Earth and Planetary Interiors
Volume7
Issue number4
DOIs
Publication statusPublished - 1973

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Hungary
conductivity
anomalies
anomaly
sounding
sinks
induction
conduction

ASJC Scopus subject areas

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

Cite this

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title = "Two kinds of characteristic ΔZ conductivity anomaly in West Hungary and their appearance in R.T.F.S. and M.T.S.",
abstract = "Different types of induction measurements (relative telluric frequency soundings, magnetotelluric frequency soundings, geomagnetic deep sounding) indicated a characteristic conductivity anomaly in West Hungary (Dun{\'a}nt{\'u}l). The conducting layer rises to a depth of 7 km in the centre of the anomaly with a horizontal conductivity of S = 10,000 μ-1 according to M.T.S, while at the flanks, it sinks to depths of several tens of kilometres. Accordingly, ΔZ is 0 in the centre of the anomaly (high-cut ΔZ), and in the flanks the Wiese-vector points outwards from the anomaly (direction anomaly). Therefore, this is an excellent example of both types of Uyeda and Rikitake's conductivity anomalies. In the last part, the author discusses some problems of the interpretation of the anomaly.",
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TY - JOUR

T1 - Two kinds of characteristic ΔZ conductivity anomaly in West Hungary and their appearance in R.T.F.S. and M.T.S.

AU - Ádám, A.

PY - 1973

Y1 - 1973

N2 - Different types of induction measurements (relative telluric frequency soundings, magnetotelluric frequency soundings, geomagnetic deep sounding) indicated a characteristic conductivity anomaly in West Hungary (Dunántúl). The conducting layer rises to a depth of 7 km in the centre of the anomaly with a horizontal conductivity of S = 10,000 μ-1 according to M.T.S, while at the flanks, it sinks to depths of several tens of kilometres. Accordingly, ΔZ is 0 in the centre of the anomaly (high-cut ΔZ), and in the flanks the Wiese-vector points outwards from the anomaly (direction anomaly). Therefore, this is an excellent example of both types of Uyeda and Rikitake's conductivity anomalies. In the last part, the author discusses some problems of the interpretation of the anomaly.

AB - Different types of induction measurements (relative telluric frequency soundings, magnetotelluric frequency soundings, geomagnetic deep sounding) indicated a characteristic conductivity anomaly in West Hungary (Dunántúl). The conducting layer rises to a depth of 7 km in the centre of the anomaly with a horizontal conductivity of S = 10,000 μ-1 according to M.T.S, while at the flanks, it sinks to depths of several tens of kilometres. Accordingly, ΔZ is 0 in the centre of the anomaly (high-cut ΔZ), and in the flanks the Wiese-vector points outwards from the anomaly (direction anomaly). Therefore, this is an excellent example of both types of Uyeda and Rikitake's conductivity anomalies. In the last part, the author discusses some problems of the interpretation of the anomaly.

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