 ... (3) Ores that are too low in silver and lead to be used directly as a source of these metals and too low in iron and manganese to be used for the manufacture of spiegeleisen and ferromanganese are sent to the smelters to be used for fluxing purposes...  Bulletin of the United States Geological Survey - Seite 25von Geological Survey (U.S.) - 1910Vollansicht - Über dieses Buch
 | Geological Survey (U.S.), Alfred Hulse Brooks - 1909 - 858 Seiten
...ores. A fourth class of manganiferous silver ore is too low in silver and lead to be used primarily for these metals and too low in iron and manganese to be used for the manufacture of iron-manganese alloys. This ore is sold to the smelters as flux, the iron and manganese becoming waste... | |
 | Edmund Cecil Harder - 1910 - 346 Seiten
...pp. 162-63. c Andrussow, N., Guide des excursions du VII Congrte g<Sol. internat., 1897, XXIX, p. 13. Manganiferous silver ores occur abundantly in the...their content of iron and manganese oxides. The silver and lead present, however, are recovered during the smelting, while the iron and manganese pass into... | |
 | Edmund Cecil Harder - 1910 - 916 Seiten
...Andrussow, N., Guide des excursions du VII Congr&i giSol. internal., 1897, XXIX, p. 13. MANGANIFEROUS SILVER ORES. Manganiferous silver ores occur abundantly...iron and manganese to be used for the manufacture of spiegcleisen and ferromanganese are sent to the smelters to be used for fluxing purposes on account... | |
 | 1911 - 632 Seiten
...There is a third class of manganiferous silver ore too low in silver and lead to be used primarily for these metals and too low in iron and manganese to be used for the manufacture of iron-manganese alloys. This ore is sold to the smelters as flux, the iron and manganese becoming waste... | |
 | Fayette Alexander Jones - 1915 - 606 Seiten
...manganese to be used as a source for ironmanganese alloys and that are used for their iron content onjy. (3) Ores that are too low in silver and lead to be...their content of iron and manganese oxides. The silver and lead present, however, are recovered during the smelting, while the iron and manganese pass into... | |
 | 1920 - 306 Seiten
...the manganese content IB so low that the ore is used only for its iron content. Third Sub-Class. Ores too low in silver and lead to be used directly as...ferro-manganese, are sent to the smelters to be used on account of the fluxing qualities of the contained iron and manganese oxides. The silver and lead... | |
 | United States. Bureau of Mines - 1913 - 1380 Seiten
...class of manganiferous silver ore is too low in silver and lead to be used primarily for their content of these metals and too low in iron and manganese to be used for tho manufacture of ironmanganese alloys. This ore is sold to the smelters as flux, the iron and manganese... | |
 | United States. Bureau of Mines - 1913 - 1098 Seiten
...class of manganiferous silver ore is too low in silver and lead to be used primarily for theh1 content of these metals and too low in iron and manganese to be used for the manufacture of ironmanganese alloys. This ore is sold to the smelters as flux, the iron and manganese becoming waste... | |
 | 1909 - 822 Seiten
...There is a third class of manganiferous silver ore too low in silver and lead to be used primarily for these metals and too low in iron and manganese to be used for the manufacture of iron-manganese alloys. This ore is sold to the smelters as flux, the iron and manganese becoming waste... | |
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