Book Description

This paper describing the methods and costs of milling scheelite ore at the Silver Dike concentrator of the Nevada-Massachusetts Co., Inc., is one of a series being prepared by the Bureau of Mines. In the Silver Dike mill tungsten ore which contains about 1 percent of scheelite is treated at the maximum rate of 45 tons per 24 hours by tabling followed by magnetic separators to clean the table concentrates. Unusualy high-grade concentrates are produced which average between 70 and 75 percent of WO3