PEALE.] 



ANALYSES OF SILICEOUS WATERS. 



393 



This may be arranged as follows : 



Grams to imperial gallon. 



Sodium chloride »2. 180 



Calcium suli)bate 3. 220 



Silica 53. 760 



Calcium cMoi-ide 4.060 



143. 2-20 

 The quantity of silica in this water is so great that on concentration 

 to a small bulk over a waterbath it gelatinizes and finally dries up to a 

 mass resembling a xDulverulent geyserite. 



Taile comparing waters from different geyser regions. 

 [Constituents are expressed in grains to the imperial gallon.] 



Name. 



Locality. 



.rH PH 



a 



Geyser at Haukadal 



Eeikium 



Great Oaldeira, Furnas Talley 



Te-puia-nui, at Totanu 



Te-tarata, at Eotomahana 



Kotopuuaiuu, at Eotomahana 



Otakapuiirangi, or Pink Terrace, Eo- 

 tomahana. 



Koroteoteo. at Oliinemutu 



Kuirua, at Ohinemutu 



Old Faithful Gevser 



Pearl Geyser, Gibbon Basin 



Echinus Geyser, Gibbon Basin 



Jug Spring, Lower Fire-Hole Basin . . 

 Grand Geyser, Upper Fire-Hole Basin. 

 Opal Spring, Gibbon Basin 



Iceland 



... do , 



St. Michael's, 



Azores. 

 New Zealand.. 



.. do 



...do , 



....do , 



....do 



.. do 



Yellowstone If . 



Park. 

 ....do 



...do 

 .. do 

 ...do 

 ...do 



37.80 

 2L 70 

 20. 80 



14. 70 

 11.48 

 16. 17 



|43. 95 



122. 40 

 18.42 

 9.80: 



7.84 

 16.19 



14.56 



17.22 

 20.51 

 94. 64* 



10.22 

 ....112.11 



7.28 



298. 41 1 

 175.281 



83.44f 



93.55 1.05 LOl 



66.34 1. 



45.70 2. 



61.39 

 13.65 

 31.57 



82.18 



7. 

 10.31 



1. 

 11.59 



Traces. 



2. 03-... 



i'w'.'.'.'. 



Name. 



Locality. 



SDto 



at 



r— O 



cc'S 



|g 



O 



4 



o 



£ 

 o 



1 

 a 



a 



6 

 o 



3 



u 



a 



.2 

 '3 

 "a 

 O 



o5 

 o 



Analyst. 









6.65 



3.26 





75. 25 



61.00 



115. 44 



339. 22 



Black. 





...do 





Klaproth. 

 BuUar. 



Great Caldeira, Furnas Valley 



St. Michael's, 

 Azores. 























do 











191. 24 



Melchior. 





.. do . . 











120. 82 

 154. 13 



104. 54 

 79.85 



ICii'lmaier. 



Otakapuaiangi, or Pink Terrace, Eo- 

 tomahana. 



. do 



3.076 



6. 85S 

 3.34§ 









Skey. 

 Do. 



....do 











do 



Do. 



Old Faithful Gcj-ser 



Pearl Gey.ser, Gibbon Basin 



TollowstonoN. 

 I'ark. 



....do 



do . . . 









Heizmann. 





lo'.h'si* 



.... 





72.52 

 52.01 

 98. 91 

 57.77 s 

 143.22 



Loflniann. 

 Do. 





.. do 









Do. 



Grand Goy.ser. Upper Fire-Holo Basin 



do 











Ponlc. 



... do 









4.06 



Lcfl'mann. 















*This includes an alkaline sulphate, and carbnn.-ite. 



f Only silica and chlorine were computed. MgCOj and CaCOs, and organic matter were proved. 



§ Silicate of iron and magnesia are included. 



1 Contains al.so lime, a small quantity of iron, Alj,03,Mg, carbonates, sulphides, chlorides. 



* Silicate of .sodn. 



'Consists mainly of silica, with CI, SO4, Ca and Mg, and trace of FeaOs. 



^Traces of ferric oxide. 



