AbstractsEarth & Environmental Science

The Bralorne Mines Ltd. property on Cadwallader Creek, Bridge River District, has been the principal gold producer in British Columbia for the past several years. The ore-bodies show similarities to the ore-bodies from which much of the gold won in Eastern Canada comes. It is therefore interesting to discuss in some detail the relationships in the Empire mine which has been the principal producing section of the Bralorne. The Empire mine is a part of the property of Bralorne Mines Ltd. at Bralorne,B.C. The property is made up of 61 claims, and is northwest of and adjoins that of Pioneer Gold Mines. The Empire mine is in the central section of the property and is bounded on the northwest by the King mine and by the Coronation mine on the southeast. [...] The Empire mine proved to have much ore and is now the principal source of the gold produced on the property. Development work on the Empire mine has reached a depth of 1500 feet, and the present programme of development and exploration will extend these workings to 2400 feet. At present the mill treats about 530 tons a day, and the average tenor of the ore is about .50 oz. of gold a ton, making the Bralorne the leading gold producer of British Columbia. According to Company records the gold production for the year 1939 was 105,472 ozs. ($3,767,372) from 184,922 tons of ore. The ore reserves at the beginning of 1940 were 710,000 tons of developed and reasonably assured ore averaging .485 oz. of gold a ton. [...]