Information Concerning Zinc OreU.S. Government Printing Office, 1919 - 46 páginas |
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Página 11
... present in fairly large amount , are not classed or useful as " zinc ores . The zinc minerals are common associates of the ores of other metals , notably lead and copper . In all ores except those mined chiefly for their zinc content ...
... present in fairly large amount , are not classed or useful as " zinc ores . The zinc minerals are common associates of the ores of other metals , notably lead and copper . In all ores except those mined chiefly for their zinc content ...
Página 12
... present writing is not greatly different , but it should be noted that the boundaries of Ger- many as now defined by the peace treaty transfer the greater part of the zinc resources ( as well as reduction works ) of that country to the ...
... present writing is not greatly different , but it should be noted that the boundaries of Ger- many as now defined by the peace treaty transfer the greater part of the zinc resources ( as well as reduction works ) of that country to the ...
Página 14
... present in that region . Next came the Wilfley concentrating table that allowed a similar separation on all material down to the slime sizes . The latter machine even per- mitted a partial elimination of pyrites , a mineral of only ...
... present in that region . Next came the Wilfley concentrating table that allowed a similar separation on all material down to the slime sizes . The latter machine even per- mitted a partial elimination of pyrites , a mineral of only ...
Página 15
... present , but here their resemblance to one another ceases . The Montana ore can be easily concentrated to a product containing 50 per cent and more of zinc . In addition to zinc some copper , a little lead , and importan silver values ...
... present , but here their resemblance to one another ceases . The Montana ore can be easily concentrated to a product containing 50 per cent and more of zinc . In addition to zinc some copper , a little lead , and importan silver values ...
Página 16
... present no markedly unusual features and zinc mining is quite similar to other mining operations in those districts . A fuller treatment of the industry in the Joplin area , which presents some characteristic features , will be found ...
... present no markedly unusual features and zinc mining is quite similar to other mining operations in those districts . A fuller treatment of the industry in the Joplin area , which presents some characteristic features , will be found ...
Términos y frases comunes
20 per cent ad valorem amounts of iron approxi assay Australia average Baxter Springs blende Canada carbonate cent ad valorem cent of zinc cent per pound cent zinc Colo Colorado Consolidated Mining containing zinc cost deposits domestic dutiable electrolytic exported foreign Franklin Furnace freight furnished galena Germany Goodsprings high-grade Idaho imports of zinc INCLUDING CALAMINE industry invariably iron sulphide Jersey Joplin Joplin district Lead & Zinc Leadville lease less metal Mexico Miami mills minerals Mining & Smelter Mississippi Valley Missouri Okla operation output Picher Platteville ports pounds of zinc prime western spelter pyrite quantity Rates of duty recoverable reduction region Salt Lake City sheet ground short tons slags smelting spelter sphalerite supply tariff act Tariff Commission tion tons transportation United Utah Webb City Wisconsin zinc and lead zinc content zinc mines zinc oxide zinc product zinc-bearing zincite
Pasajes populares
Página 30 - F.Supp. 616, and the Court of Appeals for the Fifth Circuit affirmed the judgment of the District Court.
Página 31 - Such additional duties shall not be construed to be penal, and shall not be remitted nor payment thereof in any way avoided except in cases arising from a manifest clerical error, nor shall they be refunded in case of exportation of the merchandise, or on any other account, nor shall they be subject to the benefit of drawback...
Página 5 - Means of the House of Representatives: I have the honor to transmit herewith, in accordance with your request, information compiled by the United States Tariff Commission on the potash industry.
Página 31 - Provided further, That the said metals so producible, or any portion thereof, may be withdrawn for domestic consumption or transferred to a bonded customs warehouse and withdrawn therefrom and the several charges against the bonds canceled upon the payment of the duties chargeable against an equivalent amount of ores or crude metals from which said metal would be producible in their condition as imported...
Página 21 - IMPORTS AND EXPORTS. WAREHOUSE TRANSACTIONS. Zinc imported into the United States as metal or in ore may be entered for immediate consumption, in which case the duty is paid and the zinc goes direct to the consumer; or it may be entered for warehouse, bond being given for double the amount of the estimated duty. From warehouse the zinc may be withdrawn for consumption by payment of duty, or it may be smelted in bond, finally being either withdrawn for consumption or exported from warehouse with cancellation...
Página 41 - TD 34280 and 35624) : (1) From the ascertained assay deduct 8 units for sulphide and 6 units for nonsulphide ores. The remainder will represent percentage of recoverable zinc in the ore, which multiplied by 2,000 will give the number of pounds of zinc recoverable from a ton of ore. (2) Multiply the result as above ascertained by the average price of prime western spelter in East St. Louis for the week in which the ore was exported; that is, the week including the date of sailing of the ship or day...
Página 25 - Similarly, the figures for 1911 are exclusive of 25.769 tons of other ore, carrying 6,283,437 pounds of zinc, and those for 1912 are exclusive of 18,245 tons of other ore, carrying 4,862,508 pounds of zinc. The duties on the zinc contents of this ore have since been refunded and the bonds canceled. The ore was shipped from South American ports and largely entered through the port of New York. It is shown in the Monthly Summary...
Página 41 - J oplin ores from Joplin, Mo., to common Kansas smelting points. (6) For nonsulphide ores the treatment charge will be ascertained as follows: From the value of the recoverable spelter in a ton of 2,000 pounds of 40 per cent calamine ore deduct the average of the quoted prices for such ore and $1.50 per ton of 2,000 pounds as representing the average freight paid from Joplin, Mo., to common Kansas smelting points. (5) Penalties.
Página 41 - ... value of the recoverable spelter in a ton of 2,000 pounds medium grade Joplin sulphide ore, 60 per cent base, deduct the average of the quoted prices for such ore and $1.50 per ton of 2,000 pounds as representing the average freight on Joplin ores from Joplin, Mo., to common Kansas smelting points. (6) For nonsulphide ores the treatment charge will be ascertained as follows: From the value of the recoverable spelter in a ton of 2,000 pounds of 40 per cent calamine ore deduct the average of the...
Página 31 - ... not. — An understatement of the market value per ton of zinc ore, varying from the consular invoice and from the price stated in the contract for purchasing it, the arithmetical extension in the entry being correctly made upon the basis of the declared price per ton, declared number of tons, and declared percentage of zinc content, is not manifest clerical error within the meaning of Paragraph Y of section 3, tariff act of 1913. 4. Construction — Paragraph 162, tariff art nf 1913.