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    STUDIA GEOLOGIA - Issue no. 1 / 2007  
         
  Article:   PARTITION OF SULFUR AND OXYGEN ISOTOPES IN SULFATE FROM CRYSTALLINE AQUIFERS OF THE SUDETY MOUNTAINS (POLAND).

Authors:  PIOTR JEZIERSKI, ANNA SZYNKIEWICZ, MAGDALENA MODELSKA, MARIUSZ-ORION JĘDRYSEK. 		 
       
         
  Abstract:  The crystalline massifs from the Sudety Mnts (SW Poland) are apparently contaminated by polluted precipitation resulting from the combustion of fossil fuels in the Black Triangle (BT), one of the largest polluted areas in SW Poland. The acid rains generated in the BT have been proposed as a main cause of the elevated sulfate content in surface waters and groundwater in the Sudety Mountains and have involved for decades a significant decrease in pH, particularly at higher altitudes. The hydrogeochemical analysis, however, has shown that a large portion of the sulfate in surface waters and groundwater from the area might be controlled by in situ processes, such as biological activity in soil and rock weathering in the local water flow system.  
         
     
         
         
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