The Hungarian magnetic vertical component anomalies were interpreted first more than 40 years ago by Posgay Since then, no one has conducted a country-wide interpretation and, unfortunately, there has not been any regional magnetic survey. However recent progresses in geological and geophysical knowledge allow a new, more complete analysis of the old magnetic anomaly map. The study of relationship between anomalies and geological structures and model calculations at some selected area resulted in the following interpretation. • Near the Austrian border the Penninicum represents a large-scale high-amplitude anomaly. In the territory of Little Hungarian Plane the visible anomaly is connected in Slovakia with the anomaly north of the Diósjenő line. The anomalies along the Balaton line continuing in direction to Buda and Recsk are caused by Eocene andesites. In South-Transdanubia both anomalies caused by serpentinites and basalts have characteristic curved shape which was formed during the Cretaceous. Anomalies located on the Great Hungarian Plane are caused by Cretaceous basalts and covered Miocene andesites. Miocene andesites and Mio-Pliocene basalts at the surface have intensive, rapidly changing anomalies. However it must be noted that to improve the interpration new magnetic survey and unification with data from the neighbouring countries is essential.


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