Ogden Daily Standard | 1916-05-13 | Page 3 | Origin of Gold and Silver

ORIGIN OF GOLD AND SILVER. Steamboat Springs, Nevada, has figured prominently in discussions of the origin of ore deposits, says the United States Geological Survey. The waters of these springs contain the precious metals in minute quantities, and the sinter deposited by them contains con-tains several minerals that arc common com-mon constituents of ores, as well as small quantities of many of the rarer metallic constituents of ore deposits, including gold and silver. Such springs, therefore, suggest that many and perhaps most ore-bearing veins have been formed by hot Avaters rising from great depths, which have brought their metal contents up in solution and deposited them in open spaces or fissures in the rocks through which the waters passed, tho deposition deposi-tion of some ores being influenced by chomical reaction with the surrounding surround-ing rock. Many ore deposits are undoubtedly un-doubtedly formed in other ways, for some are unquestionably of sedimentary sediment-ary origin and the metal content of some others has been carried down, re-deposlted, and concentrated by rain IH water that descended into the earth's H crust, but the "hydrothermal" origin H that is, their deposition from ascend- H ing hot water of many of the more H valuable ore deposits is indicated by the close relation observed at many H places between mineral veins and be- H lieved to be, in part at least, given H off by slowly cooling and solidifying H masses of igneous rock (magna.) deep within the earth. Pittsburg Dispatch. H oo IH