E/MJ : engineering and mining journal . the gold produced. The mine operated one wooden stamp mill throughout the year, and the profits were used for development work. The holdings of this property were extended in 1918 and now comprise 84 vein claims. (A Colombian claim is 600 m. by 240 m.) Twopromising finds have been made in this ground, and are being developed. At one of these about 300 tons of ore, removed inthe course of development work and crushed in the wooden stamp mill, yielded an averpge of g. of gold per ton, on theplates alone. The second new discovery occurs in a ch
E/MJ : engineering and mining journal . the gold produced. The mine operated one wooden stamp mill throughout the year, and the profits were used for development work. The holdings of this property were extended in 1918 and now comprise 84 vein claims. (A Colombian claim is 600 m. by 240 m.) Twopromising finds have been made in this ground, and are being developed. At one of these about 300 tons of ore, removed inthe course of development work and crushed in the wooden stamp mill, yielded an averpge of g. of gold per ton, on theplates alone. The second new discovery occurs in a chloritic scl ist, in a narrower but high-grade vein. Other operations in theIbaguS district during 1918 were as follows: La Golondrina mine employed a few men on development work, although Its fourwooden stamp mills were idle: La Norcasia mine, a new producer, star ed a wooden stamp mill and cyanide plant during thelatter part of the year, and La Veta mine, abandoned by its former owners, was prospected by Emery Koch, an American INTERIOR OF WOODEN STAMP MILL. EL RECREO .MIXE. IBAGUK DISTRICT. COLOMBIA 100 Engineering and Mining Journal Vol. 108, No. 3 New^ Uses for Zinc Zinc Institute Is Told That Publicity Is Necessary To Inform Public of the Desirable Qualities and Varied Industrial Applications of the Metal—Suggestions For Promoting Use of Zinc By George S. Harney American Zinc Products Co., Greenoa FIRST and foremost, gentlemen of the Institute, Ithink we ought to begin our campaign of publicityright here at home. I think we ought to so changepur phraseology and nomenclature that the word zincshould be omnipresent in our discussions. Jack andspelter are good names, perhaps, but they do not con-vey to the world that they are zinc. Galvanizing,besides being a misnomer, is certainly not the correctterm for coating a substance with zinc. Zincking asubstance—zinc-coated sheets, nails, wire and similarmaterial—would be an expression that would conveyto the ear of th
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectmineralindustries
