 | Geological Survey (U.S.) - Geology - 1909 - 424 pages
...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... | |
 | Geological Survey (U.S.), Alfred Hulse Brooks - Mines and mineral resources - 1909 - 858 pages
...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... | |
 | Geological Survey (U.S.) - Geology - 1910 - 314 pages
...Guide des excursions du VII Congres g&l. internat., 1S97, XXIX, p. 13. MANCJANIFEROUS SILVER ORES. Manganiferous silver ores occur abundantly in the...their content of iron and manganese oxides. The silver arid lead present, however, are recovered during the smelting, while the iron and manganese pass into... | |
 | United States - 1911 - 632 pages
...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 - Mines and mineral resources - 1915 - 606 pages
...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...iron and manganese pass into the slag and are lost. PRESENT METHOD OP CLASSIFICATION. Recently the method of classification' of manganese-bearing 'Hewett,... | |
 | Mineral industries - 1920 - 306 pages
...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 - Digital images - 1913 - 1380 pages
...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 - Digital images - 1913 - 1098 pages
...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... | |
 | Digital images - 1909 - 822 pages
...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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... 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 products, while the silver and lead content is recovered during... 