Mineral Resources of the United States, Parte1U.S. Government Printing Office, 1927 |
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Página 18
... DEPOSITS 7 AUSTRALASIA It is reported that from the working of 300 to 400 yards of gravel on Yodda and Gira rivers , in Papua , during the year ending June 30 , 1921 , 208 ounces of osmiridium was saved , as well as some gold . More ...
... DEPOSITS 7 AUSTRALASIA It is reported that from the working of 300 to 400 yards of gravel on Yodda and Gira rivers , in Papua , during the year ending June 30 , 1921 , 208 ounces of osmiridium was saved , as well as some gold . More ...
Página 21
... deposits ; Nylstroom Platinum ( Ltd. ) , which holds an option over the southwestern part of Rietfontein No. 3 and several of the adjoining farms ; Waterberg Platinum ( Ltd. ) ; and Central Platinum ( Ltd. ) . * * * The prevailing rock ...
... deposits ; Nylstroom Platinum ( Ltd. ) , which holds an option over the southwestern part of Rietfontein No. 3 and several of the adjoining farms ; Waterberg Platinum ( Ltd. ) ; and Central Platinum ( Ltd. ) . * * * The prevailing rock ...
Página 23
... deposits in these countries , it may the United States Geological Survey , from records of the Bureau of Foreign and Domestic Commerce . The figures for imports and exports in the tables in this report have been compiled by J. A. Dorsey ...
... deposits in these countries , it may the United States Geological Survey , from records of the Bureau of Foreign and Domestic Commerce . The figures for imports and exports in the tables in this report have been compiled by J. A. Dorsey ...
Página 24
United States. Bureau of Mines. replace all domestic bauxite except that from deposits where the conditions of exploitation are exceptionally favorable . Some consumers of bauxite also purchased in 1923 about 14,500 tons of diaspore clay ...
United States. Bureau of Mines. replace all domestic bauxite except that from deposits where the conditions of exploitation are exceptionally favorable . Some consumers of bauxite also purchased in 1923 about 14,500 tons of diaspore clay ...
Página 25
... deposits contract for their supplies for considerable periods , apparently to assure an adequate supply of bauxite of the grade desired . The price of bauxite at mines or shipping points in 1923 , as reported by independent producers ...
... deposits contract for their supplies for considerable periods , apparently to assure an adequate supply of bauxite of the grade desired . The price of bauxite at mines or shipping points in 1923 , as reported by independent producers ...
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Términos y frases comunes
alloys aluminum amalgamation amounted antimony Arizona bauxite bismuth bullion California cent of copper cents a pound Colorado containing copper County Creek crude cyanidation decrease deep mines deposits district.-The domestic dredges Dry and siliceous dry gold exported feet ferromanganese figures galena gold and silver Gold Silver Copper grade gross tons Idaho included under Miscellaneous increase lead and zinc lead-zinc lessees lithopone long tons manganese metal Mexico mill Missouri Montana Nevada nickel operated ounces Fine ounces ounces of gold ounces of silver output pig iron Pittman Act placer mines plant platinum pounds of copper pounds of lead Pounds Pounds production of gold quicksilver recovered recovery refined reported scrap shaft shipments shipped Short tons Value siliceous Silver Copper Lead small lot smelter smelting sphalerite spiegeleisen sulphide tons Value Short Total value troy ounces United Utah Value Pounds Value Value Short tons vanadium white arsenic yielded zinc concentrates zinc oxide
Pasajes populares
Página 140 - Lead-bearing ore of all kinds, one and onehalf cents per pound on the lead contained therein : Provided, That on all importations of lead-bearing ores the duties shall be estimated at the port of entry, and a bond given in double the amount of such estimated duties for the transportation of the ores by common carriers bonded for the transportation of appraised or unappraised merchandise to properly equipped sampling or smelting establishments, whether designated as bonded warehouses or otherwise.
Página 259 - Composition or red brass : Shall consist of red scrap brass, valves, machinery bearings, and other parts of machinery, including miscellaneous castings made of copper, tin, zinc...
Página 122 - Acetate, white, 2^ cents per pound; acetate, brown, gray, or yellow, 2 cents per pound; nitrate, arsenate, and resinate, 3 cents per pound; and all other lead compounds not specially provided for, 30 per centum ad valorem. PAR. 48.
Página 140 - ... estimated duties for the transportation of the ores by common carriers bonded for the transportation of appraised or unappraised merchandise to properly equipped sampling or smelting establishments, whether designated as bonded warehouses or otherwise. On the arrival of the ores at such establishments they shall be sampled according to commercial methods under the supervision of Government officers, who shall be stationed at such...
Página 95 - ... merchandise to properly equipped sampling or smelting establishments, whether designated as bonded warehouses or otherwise. On the arrival of the ores at such establishments they shall be sampled according to commercial methods under the supervision of Government officers, who shall be stationed at such establishments, and who shall submit the samples thus obtained to a Government assayer, designated by the Secretary of the Treasury, who shall make a proper assay of the sample and report the...
Página 122 - ... per pound; all pigments containing lead, dry or in pulp, or ground in or mixed with oil or water, not specially provided for, 30 per centum ad valorem.
Página 87 - The Bureau of Foreign and Domestic Commerce records imports of "flint, flints, and flint stones, unground," from several countries. These imports are partly flint pebbles for use in grinding mills and partly material for uses such as are listed above. The figures can not be accurately separated. "Flint, flints, and flint stones, unground" imported for consumption in the United Stales, 1918-1923 • Quantities not recorded prior to July, 1918.
Página 298 - States, 1810-1923, in gross tons [Exclusive after 1905 of ore containing 5 per cent or more of manganese] • Includes ore produced by owners of blast furnaces, estimated by census at 800,000 tons.
Página 97 - The price of zinc has been taken from market reports; the price of zinc olende and the figures of weekly sales are those published in the Joplin daily papers. To eliminate the sharp weekly fluctuations and to obtain a curve more easily comparable with the price curves, the weekly sales have been averaged by months, the result being shown by the broken line. The price of prime western zinc at the beginning of the year in the St. Louis market was 7.05 cents, and after declining a little it rose in...
Página 56 - The galena ore, assaying 70 per cent lead and about 4.5 ounces of silver a ton, was shipped to the St. Louis plant of the National Lead Co. IOWA The lead and zinc deposits of Iowa extend along Mississippi River for nearly 80 miles, in Dubuque, Clayton, and Allamakee counties. No shipments of lead or zinc concentrates from mines in Iowa have been reported since 1918. KANSAS By JP DUNLOP Mine production of lead and zinc in Kansas...