International Geological Journal - Official Journal of the Carpathian-Balkan Geological Association

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LATE JURASSIC PALEOENVIRONMENTAL EVOLUTION OF THE WESTERN DINARIDES (CROATIA)

Published: Feb 2004

Pages: 3 - 18

Authors: DAMIR BUCKOVIC, BLANKA CVETKO TESOVIC, IVAN GUSIC

Abstract: Upper Jurassic limestones exposed in four selected successions of the Western Dinarides show contemporaneous but different facies development within the Western Dinaric region, which belongs to the marginal and northwestern part of the large Upper Triassic-to-Upper Cretaceous Adriatic-Dinaric carbonate platform. In the framework of global tectonic movements in the Tethyan Realm during the Late Jurassic, block-faulting on the northeastern margin of the Adriatic-Dinaric carbonate platform significantly affected platform interior, through differential synsedimentary tectonic movements: uplifts and tiltings culminating in sporadical emersions, and simultaneous increased subsidences, with the formation of intraplatform troughs connected to the open sea. Thus, block-faulting initiated changes in accommodation space within the inner platform realm and acted as an indirect impulse for autocyclic processes to take place both in the shallow-water and/or deeper-water platform environments.

Keywords: Late Jurassic, Croatia, Western Dinarides, Adriatic-Dinaric carbonate platform, paleoenvironments, synsedimentary tectonics

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