136 Canadian Record of Science. 
Fig. 3.—TaHe SKkaua@ MINE. 
a.—Gneiss, ete. 
b6.—Gahbbro. 
The black portion shows the position of the Nickel deposits. 
the mineral Cobaltite. The following figures give the num- 
ber of tons of nickel annually produced in Norway in the 
several periods mentioned :— 
1865-71 | 1872-73 | 1874-75 | 1876-80 | 1880-87 1888-91 
50 to 80 | 150 to 200 | 250 to 320 | 80 to 120 | 60 to 120 | 90 to 130 
The mattes hold about 50 p. c. of nickel. At present 
there are three or four smelting works in operation in 
Norway. 
In Swedenin 1870-75 about 80 to 150 tons of nickel were 
produced annually, in 1880-85 about 40 to 80, while of re- 
cent years the annual output has fallen to from 10 to 30 
tons. 
