Abstract

Eight sections representing the upper Silurian of SE Sardinia have been correlated using Graphic Correlation. New data combined with already published data allow high-resolution correlations between the sections and a subdivision of the upper Silurian of SE Sardinia into 24.7 Composite Standard Units (CSU). The well-known Silius section was chosen as reference section for the studied area. Correlations of the SE Sardinian composite standard with sections outside the studied area (Cellon in the Carnic Alps, Klonk in Bohemia and Mason Porcus in SW Sardinia) show an earlier first occurrence of Oulodus elegans detortus in Sardinia; therefore, the use of this taxon as marker for interregional correlations is to be discouraged.

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