1915] 



The Coggins Gold Mine 



177 



The ore bodies exposed in the Coggins Mine were carefully 

 sampled and the location from which the samples were taken 

 indicated by letters on the maps. (Figs. 2 and 3, pp. 171 and 

 172.) 



In addition to the above samples, several other samples were 

 taken, which were panned to determine whether or not the ore 

 tested was carrying free gold, and the relative amounts. The 

 panning samples were quartered and the amount panned usually 

 weighed from 1 to 3 pounds. These samples were taken as 

 follows : 



A 10-stamp mill with four sets of amalgamation plates and 

 two Wilfley concentrating tables has been erected. The ore as 

 it is brought from the mine is raised to a hopper, from which it 

 is fed to a Gates crusher, which feeds it onto an endless belt. 

 This conveys the ore to the hopper, which feeds to the stamp 

 mill. The capacity of the mill is approximately 30 tons per 

 day. 



There seems to be but very little tendency for the ore to 

 slime, and a very good separation is obtained. One run of ore 



