10 H 



GEOLOGICAL SURVEY OP CANADA. 



Waters of the 

 Assiniboine 

 and Red 

 Rivers, cont. 



Analyses of 

 these waters. 



niately in contact with these rocks would be likely to be influenced by 

 their composition." 



These samples of the waters were collected by Mr. A. S. Cochrane, 

 —at the instance of Dr. E. Bell— on the 26th of October, 1879 ; that of 

 the Assiniboine was taken from the centre of the river, about a quarter 

 of a mile above its junction with the Eed Eiver ; whilst the water of 

 latter was taken from the centre of the stream, about a quarter of a 

 mile above where the former flows into it. 



The water of the Assiniboine, after filtration, had a faint yellowish 

 tinge. The suspended matter, which had a brownish-grey colour, left 

 on ignition a light reddish-brown coloured residue, this on examination 

 was found to consist of argillaceous matter. 



The water of the Eed Eiver, after filtration, had a pale yellowish 

 tinge. The suspended matter was of a light brownish-yellow colour, 

 on ignition it left a residue, which, as in the previous case, consisted 

 of argillaceous matter. 



The nature and amount of the organic matter contained in these 

 waters was not ascertained, — the quantity of water at disposal being 

 altogether inadequate for the purpose, — apart from which, it is highly 

 probable, that, during the interval of collection and analysis, the 

 organic matter had, to some extent at least, undergone decomposition, 

 the amount of carbonic acid therefore, although estimated, has not 

 been given. 



The analyses of these waters were conducted by Mr. Frank D. Adams, 

 and the following are the results obtained by him, expressed in grains 

 per Imperial gallon : 



ASSINIBOINE. 



Potassa 0.499 



Soda 5.324 



Lime 6.783 



Magnesia 4.588 



Alumina and ferric oxide(l) 0.084 



Silica 1.571 



Sulphuric acid 4.906 



Carbonic acid ? 



Chlorine 1.988 



Organic matter ? 



RED RIVER. 



. .. 0.549 

 ,.. 5.028 

 .. 6.912 

 . . 5.142 

 ,.. 0.092 

 . . 2.208 

 . . 7.093 



? 



. . 3.390 



f 



Oxygen equivalent to the 



chlorine 0.448 



Total dissolved solid matter, 



dried at 100° C..,. f 41.09 



0.765 

 .44.63 



