ZC0 2 (mmol/l) Si02 t««Ol/l] 



5 En eJ en 



m r\> 



Chloride (umol/1) 



s 5 a § 8 



8 



Ca [unol/11 fig [uiwl/11 



Figure 5. Stoichiometric relationships between chemicals 

 dissolved in vent water are frequently constant as a 

 result of dilution with ambient lake water. 



91 



