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    STUDIA GEOLOGIA - Issue no. 2 / 2001  
         
  Article:   THE BADENIAN CALCAREOUS NANNOPLANKTON FROM TURDA AND OCNA DEJ SALT MINES (TRANSYLVANIAN BASIN, ROMANIA).

Authors:  CARMEN CHIRA.
 
       
         
  Abstract:  Middle Miocene (Middle Badenian, respectivelly Wielician) clays interlayered with the salt deposits from Turda and Ocna Dej salt mines of the Transylvanian Basin have been analysed. The assemblages of calcareous nannoplankton/nannofossils and their significance are presented. Nannofloras are scarce and poorly preserved. The fossil index for NN5 Zone ľ Sphenolithus heteromorphus appears very rarely, only in few samples. The assemblages can be considered to belong to the upper part of the NN5 Zone and also to the lower part of the NN6 Zone.  
         
     
         
         
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