Abstract
Chrono-, litho- and conodont bio-stratigraphy of the Rauchkofel Boden Section (Upper Ordovician – Lower Devonian), Carnic Alps, Austria
Highlights
5.12 Pedavis latialata – Ozarkodina snajdriOzarkodina confluens (Branson and Mehl) enters in the central part of the Zone
An updated stratigraphy of the Rauchkofel Boden Section, a classical reference section for the Carnic Alps that exposes rocks from the Katian (Upper Ordovician) to the Pragian (Lower Devonian) is here presented, following latest developments in conodont taxonomy and biostratigraphy, as well as in chronostratigraphy, and the recent introduction of a new lithostratigraphic outline of the Carnic Alps
The lithostratigraphic scheme of the Pre-Variscan sequence of the Carnic Alps was recently updated (Corradini and Suttner 2015), and all the formations are established according to the International Stratigraphic Guide
Summary
Ozarkodina confluens (Branson and Mehl) enters in the central part of the Zone Within this Zone a few anomalous elements, represented mainly by ramiforms with branched processes, are present. For the reasons of defining the Zone by the two more representative taxa refer to Corradini et al. At Rauchkofel Boden the Zone is discriminated in the lower part of the Alticola Fm. and is about 4 m thick. At Rauchkofel Boden the Zone is discriminated in the lower part of the Alticola Fm. and is about 4 m thick This interval documents the “Lau event” and the. Pedavis latialata became extinct within the Zone; Panderodus recurvatus has its last occurrence in the section at the top of the Zone, whereas it normally ranges longer in the upper Přídolí (Corradini and Corriga 2012)
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