Table 1. Concentrations of major ions and nutrients dissolved in 

 surface waters and hydrothermal vent waters found in 

 Yellowstone Lake, Wyoming. 



Sample CI 



SO 



2- 



Mg 2+ Ca 2+ Na + 



( umol -l" 1 ) 



K 



SiO. 



NH 



Eco 2 



(mmol -T 1 ) 



Vent water (Sedge Bay) 



Lake water: Cavg. all samples] 



149 

 24 



80 

 6 



102 

 2 



143 

 3 



490 

 27 



46 

 3 



167 

 8 



0.15 

 0.25 



0.66 

 0.06 



92 



