The three-dimensional regional geological model of the Mura-Zala Basin, northeastern Slovenia


  • Dejan Šram
  • Nina Rman
  • Igor Rižnar
  • Andrej Lapanje



The Mura-Zala sedimentary Basin is a Neogene basin with many competing geopotentials, spanning parts of Slovenia, Austria, Croatia and Hungary. Here we present the 3D regional geological model of the Slovenian part of the Mura-Zala Basin, which was developed to integrate the latest Information on the geological structure of NE Slovenia and to publish the model in an open-access mode for easier and faster assessment of geopotentials. This was achieved through the harmonisation of the legacy geological models, the reinterpretation of 145 borehole logs, the construction of the 3D numerical geological model in JewelSuite™, and delivering it into a 3D-Explorer environment. The model comprises nine lithostratigraphical units. The Pre-Neogene basement rocks are covered by the Haloze Formation; the Špilje Formation - Badenian and Sarmatian; the Lendava Formation - turbidites and slope; the Mura Formation - delta front and delta plain; and the alluvial Ptuj-Grad Formation. The model has two principal shortcomings, related to currently unavailable seismic reflection data faults were not implemented, and the Quaternary formations were not delimited. The model is useful for regional-scale studies and may reduce geological risks related to exploration in NE Slovenia. It will also support a better assessment of geopotentials and a more feasible approach to their development, and, eventually, will enable the harmonized management of our subsurface in 3D space. This can be achieved using the 3D-Explorer platform which enables the creation of arbitrary vertical cross-sections, horizontal slices and Virtual boreholes.


How to Cite

Šram, D., Rman, N., Rižnar, I., & Lapanje, A. (2015). The three-dimensional regional geological model of the Mura-Zala Basin, northeastern Slovenia. Geologija, 58(2), 139–154.




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