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7/23/2019 Geochemistry Exercise
http://slidepdf.com/reader/full/geochemistry-exercise 1/2
Di sadur dari Lecture Note Geochemistry, Geothermal Institute, by Stuart Simmon
Lab Analysis Result
Na K Mg Ca Cl S!
"aira#ei 1$%$ 1$& $.! &' 1%%$ &'
"aitangi &() &! 9 1% *'! !9"hite Island )91$ '*) *($$ *1)$ *(%$$ !(%$
Mole."t &* *9.1 &!.* !$ *).) 9'
In milimolal units
Na K Mg Ca Cl S!
"aira#ei !'.)& &.'1 $.$& $.') !9.(' $.&%
"aitangi 1&.*9 $.'1 $.*% $.!* 1$.&) $.)1
"hite Island &)'.9' 1'.&! 1)'.*( %(.%) 1$9$.1! )$.%*
Charge +- cations anions / Charge 0 /2
cationsanions 2
"aira#ei / 31.1(**'% /2 3$.$11)(9 1.1$
2 1$&.11$1