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    STUDIA GEOLOGIA - Issue no. 2 / 2001  
         
  Article:   CORALGAL FACIES OF THE UPPER EOCENE-LOWER OLIGOCENE LIMESTONES IN LETCA-RĂSTOCI AREA.

Authors:  IOANA PRICĂ. 		 
       
         
  Abstract:  In this paper are described the coralgal facies identified in the Upper Eocene-Lower Oligocene limestone succession (Cozla Formation) outcropping in two quarries at Letca and Rastoci (Sălaj district, Romania). In the studied profiles the coral and algae limestones are interlayered with bioclastic limestones with foraminifera. On the top of relatively deep water deposits, coral and algae crusts and dendritic corals coated by algae were deposited. The environment registered a gradual deepening, the deposits being completely immersed, while bioclastic limestones with foraminifera were recurrently formed. This cycle is repeated, the whole succession being caracterized by several such “parasequences”.  
         
     
         
         
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