160 E. J. CHAPMAN ON DEPOSITS OF TITANIFEROUS lEON ORE. 



regular form of the ore-mass. The average specific gravity of the ore equals 4.43*7. The 

 amount of ore practically above ground cannot be less, therefore, than from 200,000 to 

 300,000 Canadian tons. An analysis made from samples of ore taken from different parts 

 of the deposit gave me the following results : — 



Oke dried at 212° F. Sp. gr.=4.437. 



Fe' 0*. 71.87=Fe 52.04% 



Ti 0'— 13.30=11= (y. 12.01=Ti 8.11% 



S 0.06 



P Trace 



Ca CO'' 0.86 



Pyroxenic rock-matter 1.5.28 



100.08 



The ore-deposits of other portions of this iron range south of Burnt River, and all the 

 deposits in the range immediately north of the river, are quite free from titanium ; but some 

 small deposits of magnetic ore, in -which a certain amount of titanium is present, occur 

 to the north of this northern range, in the township of Miudeu. 



Turning now to the south-east of this section of country, we find in the township of 

 Tudor, in North Hastings (lots 56-51 of the Free Cirant district) a large deposit of titaui- 

 ferous magnetite, very similar in character to the Pine Lake ore. This deposit, known as 

 the Louise Mine, is also in the form of an immense stock, or irregular mass, the prin- 

 cipal axis of which extends in a direction a little north of east. It forms a steep slope or 

 ridge, rising above the general surface of the ground to an average level of nearly one 

 hundred feet. Trenches opened across the face of the slope, at different levels, show the 

 ore-mass to extend in width from sixty feet in some places to over 160 feet in others, but 

 outlying exposures indicate a still greater extension ; while the length of the deposit in 

 an easterly and westerly direction exceeds 1,400 feet. The ore itself is of a granular tex- 

 ture, black, and strongly magnetic, with specific gravity varying from 4.45 to 4.48. 



An analysis, from a sieved amount of ore weighing several pounds, gave results as 



follows : — 



Ore dried at 212° F. Sp. gr.=4.48. 



Fe' 0* 83.36=Fe 60.36% 



Ti 0-— 8.08=Ti= O' 7.30=Ti 5.03% 



p Trace 



S 0.08 



Pyroxenic rock-matter 9.31 



* ^ 



100.05 



This titaniferous deposit, like that in Glamorgan, lies in the more or less immediate 

 vicinity of iron ore deposits, in which no trace of titanium can be detected. Some of 

 the more important of these comprise the so-called Emily Mine, on lots 6-8 of the nine- 

 teenth concession of Tudor ; the Baker Mine, on lot 18, concession 18, of the same town- 

 ship ; and the Batchelor Mine, on lots 15, 16, of the eighth concession of Wollaston. 

 Analyses of these and other iron ores from this district of Ontario will be found in a paper, 

 by the writer, communicated to the chemical section of our Society. 



