 GEOLOGIST. a In calculating the metal content of the ores from assays allowance has been made for smelting losses in the case of zinc but not in the case of lead. In comparing the values of ore and metal it should be borne in mind that the value given...  Minerals Yearbook - Página 2991945Visualização integral - Acerca deste livro
 | Missouri. Division of Geological Survey and Water Resources - 1917 - 1040 páginas
...losses In the case of zinc but not In the case of lead. In comparing the values of ore and metal it should be borne In mind that the value given for the...received by the producer, whereas the value of the lead is calculated from the average dally quotations at New York. The price of rinc for 1915 is the average... | |
 | United States. Bureau of Mines - 1917 - 1200 páginas
...smelting losses ta the case of zinc but not incase oflead. In comparing the values of ore and of metal it should be borne in mind that the value given for the...received by the producer, whereas the value of the kad is calculated from the average daily quotations at New York, and that of zinc from the average... | |
 | United States. Bureau of Mines - 1919 - 972 páginas
...for smelting losses fa zinc but not in lead. In comparing the values of ore and metal it should bo borne in mind that the value given for the ore is that actually received by the producer, whereas tho value of the load is calculated from the average daily spot quotations at New York and the value... | |
 | United States. Bureau of Mines - 1919 - 970 páginas
...losses in line hut not in lead. In comparing the values of ore and metal it should be borne In mind thet the value given for the ore is that actually received by the producer, whereas the value oi the lead is calculated from the average daily spot quotations at New \ or t and the value of the... | |
 | United States. Bureau of Mines - 1921 - 1282 páginas
...not oflead. In comparing the values or ore and metal it should be borne in mind that the value pven for the ore is that actually received by the producer, whereas the value of the lead Is calculated from the average sales price of all grades, and that of zlnce from the average sales... | |
 | 1922 - 992 páginas
...case of zinc but not in the case of lend. In comparing the values of ore and metal it should be l>ome in mind that the value given for the ore is that actually received *v the producer, whereas the value of the lead Is calculated from the average sales price of all grades... | |
 | 1922 - 802 páginas
...been made for smelting losses of zinc, but not of lead. In comparing the values of ore and metal it should be borne in mind that the value given for the ore is thnt actually received by the producer, whereas the value of the lead and zinc is calculated from the... | |
 | United States. Bureau of Mines - 1924 - 766 páginas
...made for smelting losses of both load and line in 1921. In comparing the values of ore and metal It should be borne in mind that the value given for the...by the producer, whereas the value of the lead and zino is calculated from the average price of all grades. SILVER, COPPER, LEAD, AND ZINC IN CENTRAL... | |
 | 1924 - 766 páginas
...made for smelting losses of both lead and zinc in 1921. In comparing the values of ore and metal It should be borne in mind that the value given for the ore is that actuallr received by the producer, whereas the value of the lead and zinc is calculated from the average... | |
 | 1927 - 804 páginas
...for roasting and smeltIng losses of both lead and zinc. In comparing the values of ore and metal it should be borne in mind that the value given for the...actually received by the producer, whereas the value of tba lead and zinc is calculated from the average price of all grades. Tenor of lead and zinc ore and... | |
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