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    STUDIA GEOLOGIA - Issue no. 1 / 2007  
         
  Article:   THE δ18O RECORD OF A HOLOCENE STALAGMITE FROM V11 CAVE, NW ROMANIA.

Authors:  TUDOR TĂMAŞ, ANA-VOICA BOJAR, SILVIU CONSTANTIN, STEIN-ERIK LAURITZEN. 		 
       
         
  Abstract:  Stable isotope analyses on a Holocene stalagmite from V11 Cave yield a paleoclimate record for the last 9200 years. The stalagmite chronology is based on seven high precision U-Th ages obtained by thermal ionization mass spectrometry (TIMS). The V11 Cave is located in the SE part of Varasoaia Glade (Bihor Mountains, NW Romania), at 1254 m a.s.l. The cave is formed in Anisian limestones and dolomites, has 1166 m of surveyed passages and a vertical extension of 67 m (–37 m; +30 m) (Damm, 1993). The cave area is a typical karst plateau with sinkholes and ponors, with vegetation mainly consisting of spruce stands and alpine herbs (Bodnariuc et al., 2002). The present-day climate of the area is predominantly influenced by westnorthwest oceanic air masses. The mean annual temperature is 5°C and the mean annual precipitation exceeds 1200 mm. The mean annual temperature and the relative humidity in the cave, measured between 2003 and 2004, are 6.5°C and 97– 98%, respectively (Tamas et al., 2005).  
         
     
         
         
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