Characteristics of the facies and radiolitid paleoenvironment of the Upper Cenomanian shallow-water succession from the southern part of the Adriatic Carbonate Platform, northwestern side of Korčula Island, Croatia

Authors

  • Alan Moro Faculty of Science
  • Aleksandar Mezga Deparment of Geology, Faculty of Science, University of Zagreb, Horvatovac 102A, Zagreb, Croatia,
  • Goran Mikša INA – Oil Industry Plc., Exploration & Production, Exploration & Upstream Portfolio Development, Rock & FluidAnalysis Department, Lovinčićeva 4, Zagreb, Croatia
  • Nikola Kalemarski Deparment of Geology, Faculty of Science, University of Zagreb, Horvatovac 102A, Zagreb, Croatia,

DOI:

https://doi.org/10.17794/rgn.2023.5.2

Keywords:

Rudists, palaeoecology, shallow-water carbonates, foundered platform, Adriatic Carbonate Platform

Abstract

Upper Cenomanian limestones from the northwestern part of the island of Korčula in Croatia are shallow-water Chondrodonta-level deposits that represent a lateral equivalent of a foundered platform paleoenvironment. The succession consists of peritidal limestones organised in irregular shallowing-upward cycles, indicating the influence of sinsedimentary tectonics in the background of their formation. The peak of the transgression is marked by bioclastic rudstones, which represent the most open paleoenvironmental conditions. Radiolitids are present through biostromal floatstones-rudstones where individuals thrive as elevator or clinger palaeoecological morphotypes, indicating that the rate of carbonate sedimentation is a key palaeoecological factor in their presence/absence within a subtidal paleoenvironment.

Author Biography

Alan Moro, Faculty of Science

Department of Geology, Associate professor

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Published

2023-12-04

How to Cite

Moro, A., Mezga, A. ., Mikša, G. ., & Kalemarski , N. (2023). Characteristics of the facies and radiolitid paleoenvironment of the Upper Cenomanian shallow-water succession from the southern part of the Adriatic Carbonate Platform, northwestern side of Korčula Island, Croatia. Rudarsko-geološko-Naftni Zbornik, 38(5), 19–30. https://doi.org/10.17794/rgn.2023.5.2

Issue

Vol. 38 No. 5 (2023): No. 66

Section

Geology

License

Copyright (c) 2023 Alan Moro, Aleksandar Mezga, Goran Mikša, Nikola Kalemarski

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