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Investigation of the telluric conductivity anomaly at Magyarmecske: the first assumed buried impact crater in HungaryNormal access

Authors: M. Kis, T. Bodoky, I. Kummer and L. Sores
Event name: 5th Congress of Balkan Geophysical Society
Session: Special topics
Publication date: 10 May 2009
Organisations: BGS, EAGE
Language: English
Info: Extended abstract, PDF ( 3.12Mb )
Price: € 20

There is an approximately round-shaped high amplitude telluric conductivity anomaly at Magyarmecske, in South-West Hungary. The authors collected and reinvestigated all available geophysical data measured in the area before and based on those they came to the conclusion, that the conductivity anomaly may be well explained as a buried impact crater. They assume that when the impact occurred the target area was covered by a thick coal bearing Carboniferous sedimentary sequence. In that the projectile created a complex impact crater with a diameter of approximately 6-8 km. In the surroundings of the crater the coal was modified by the impact's heat and pressure. Later the impact structure was partly eroded, partly deformed by younger tectonic movements and covered by Neogene sediments of strongly variable thickness.

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