212 T. S. Hunt on the Chemistry of Natural Waters. 
continental uplifting of the altered, plicated, and more or less 
fissure eir i i 
ave in a previous section ($ 57) alluded to the condi- 
n this connection it may 
Zé a proportion in many rocks, would decompose the ¢ar- 
bonates and sulphates, and, aided by the presence of water, the 
ehlorids both of the roc 
form o , mixed with water or, nitrogen, and @ 
probable excess of oxygen ld form an exceedingly dense 
Hers) soe upon the heated surface of the earth, decomps 
the silicates : : 
1. 
bonic aeid fi d its way 
sea, whe - heated 
waters various ¢ bases 
aad 
9 
tyae 
be 
en 
