C ONTINUANCE of the remarkable, successive increases in the value -of Canada's mineral production, chief basis of the nation's post-war 'expansion, was one of the highlights of Canadian development in 1951, when, according to the preliminary estimate issued by the Dominion Bureau of Statistics and reported in the BuLLETIN for February, 1952, mineral output for the year reached a new high of $1,228 millions. This marked an increase of 17.5 percent over the previous year, which was the first in which the billion dollar mark had been reached, and an increase of 143."7 per cent over 1946, when production was valued at apprroximately $503 millions. While higher prices for the principal ba.se metals accounted for a large part of the 1951 increase, quantity gains we re made by copper, nickel, zinc, asbestos. lead, cement, and strikingly important. by petroleum, the value of which exceeded for the first time that of coal production. Gold was an exception to the general trend, being lower in both quantity and value than in 1.950. For the first time. nickel .came within $9 millions of surpassing- gold as the leading mineral product.
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