USGS/Cascades Volcano Observatory, Vancouver, Washington

Table 3. Composition of a hydrothermal fluid sample from Pinatubo geothermal exploration well PIN-2D.


[Data from Delfin and others
(1992). Units are in ppm (wt). 
Sample collected 13 February
1989.]

-------------------------------
 Species         Concentration
-------------------------------
   pH                  2.3
   Na               1153
   K                 208
   Ca                 18
   Mg                 96
   Li                  2.4
   Cl               1914
   SO4              1129
   B                  67
   SiO2              454
-------------------------------

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