Stratigraphic structure of the B1 Tertiary tectonostratigraphic unit in eastern Slovenia


  • Bogomir Jelen
  • Helena Rifelj



High inconsistency and incoherence in the stratigraphy of the Slovenian upper Paleogene and lower Miocene have remained unsolved in the past 150 years. To solve the problem, we tried to rigorously conduct the authentic Galilei’s scientific method. Steps of logical and empirical verification confirmed the existence of the posited B1 Tertiary tectonostratigraphic unit, and a general chronostratigraphic model of new positional relationships of lithologic units resulted from rather good biochronostratigraphic resolution achieved by nannoplankton and planktonic foraminifera biostratigraphy. The application of principles of newly developed fields in Science helped us to avoid errors in transmission of messages (to reduce noise) from the source (rock) to the concept formation, which had been done previously. This in tum has strongly reduced inconsistency and incoherence (high information entropy = uncertainty). The released amount of information enabled us to answer also questions that reached beyond the original difficulty, e.g.: is the tectonostratigraphic structure of eastern Slovenia a manifestation of plate tectonics processes, and of which ones, are theories of Continental escape in the Alps and associated dissection and offset of the formerly uniform Slovenian-Hungarian Paleogene basin tenable or not, are then there in the BI stratigraphic equivalents of the Hungarian Paleogene basin formations, where are the important Eocene / Oligocene, Paleogene / Neogene, Rupelian / Chattian and Kiscellian / Egerian boundaries in Slovenia, and is there a continuation of the BI in Croatia and in the Mid-Hungarian tectonic zone?


How to Cite

Jelen, B., & Rifelj, H. (2002). Stratigraphic structure of the B1 Tertiary tectonostratigraphic unit in eastern Slovenia . Geologija, 45(1), 115–138.




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