An Upper Jurassic Reef Complex from Slovenia, Yugoslavia
An Upper Jurassic (Oxfordian and lower Kimmeridgian) reef complex is well exposed in the area of Slovenia, northwestern Yugoslavia. This reef complex is thought to be a barrier-reef that developed along the shelf-margin of an ancient carbonate platform. From basin to lagoon the following subdivisions have been delineated: a fore-reef area characterized by carbonate breccias and blocks of reef debris; a central reef area with abundant hydrozoans and corals that can be further subdivided into actinostromariid and parastromatoporid zones; and, a back-reef area with locally developed lagoons and patch-reefs defined as the Cladocoropsis zone.
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European Fossil Reef Models
The voluminous amount of information presented in this Special Publication not only fills a gap in understanding the European approach to reef studies but also provides the necessary data base to allow us (in particular the North American geologist) to incorporate this information in our overall interpretive studies. These studies should serve as an impetus for new investigations and will broaden our understanding of the complex interrelationships that operate in the reef environment.