Transactions . ing and should be carefully ex-amined. By far the largest amount of ore mined has come from theNickel Plate claim. This was first worked as a glory hole, butat present all the ore extracted comes from underground. Thedepth obtained has not yet exceeded 150 feet from the surface,and in the four Sunnyside workings the mining of ore is carriedon within a few feet of the surface. The present output of thecamp is in the neighborhood of 35,000 tons annually, all of whichmust be attributed to these two claims, and at this rate manyyears must still elapse before the ore bodies now known
Transactions . ing and should be carefully ex-amined. By far the largest amount of ore mined has come from theNickel Plate claim. This was first worked as a glory hole, butat present all the ore extracted comes from underground. Thedepth obtained has not yet exceeded 150 feet from the surface,and in the four Sunnyside workings the mining of ore is carriedon within a few feet of the surface. The present output of thecamp is in the neighborhood of 35,000 tons annually, all of whichmust be attributed to these two claims, and at this rate manyyears must still elapse before the ore bodies now known to existare exhausted. An interesting point developed in connection with thetreatment of these ores is the finding at the end of a monthsrun of the mill of some platinum along with the gold. Themanager for the Daly Reduction Company, Mr. F. A. Ross, fromwhom the information was obtained, is inclined to think thatplatinum occurs sparingly with the ores in the form of the arsenide,sperrylite. S t crmvinder -?£6.
Size: 1141px × 2189px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., book, bookcentury1800, booksubjectmineralindustries, bookyear1895
