Bulletin, Issue 666U.S. Government Printing Office, 1919 - Geology |
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acid Alaska alloys aluminum antimony Ariz asbestos Atlas barrels bauxite Bull Calif California Carolina cent chromite clays coal field Colo Colorado consumption copper County Creek Cuyuna demand domestic production eastern exports ferromanganese flasks fluorspar folio foreign fuel furnaces Geological Survey gold grade graphite Gypsum Gypsum deposits high-grade Idaho imported increase industry iron-ore lead lime limestone lodes long tons magnesite manganese manganiferous iron manufacture materials metal Mexico mica mineral reserves Mineral Resources mining district monazite Mont Mountains nickel nitrate occur oil and gas operations output oxide phosphate placer plants platinum Portland cement potash pounds present Prince William Sound probably Prof quadrangle quantity quicksilver reconnaissance refining region reported Rept Resources for 1912 River rock salts sand Seward Peninsula shipped short tons silver smelters smelting SMITH sources southeastern spiegeleisen steel sulphide sulphur supply tion tungsten United States Geological Utah vanadium Virginia western zinc
Popular passages
Page 113 - Portland cement is the product obtained by finely pulverizing clinker produced by calcining to incipient fusion an intimate and properly proportioned mixture of argillaceous and calcareous materials, with no additions subsequent to calcination excepting water and calcined or uncalcined gypsum.
Page 273 - Bulletin 340, p. 271. 1908. Minerals of the rare-earth metals at Baringer Hill, Llano County, Texas.
Page 227 - SCHRADER, FC, and SPENCER, AC The geology and mineral resources of a portion of the Copper River district, Alaska.
Page 266 - Mineral resources for 1883-84, pp. 794-803, 1885. VAN HORN, FB, The phosphate deposits of the United States: Bull. 394, pp. 157171, 1909. Phosphate rock: Mineral Resources for 1910, pt.
Page 44 - A large area in this state is underlain by salt, which is mined by many shafts and obtained by pumping brine. Drilling for oil in Texas and Louisiana has revealed the presence of tremendously thick deposits of rock salt at a depth of a few hundred feet. Thicknesses of 2,000 feet are common, and one drill hole passed through more than 3,000 feet of rock salt. Most of the salt made in Utah is produced by evaporating the water of Great Salt Lake, and in California by evaporating sea water. These sources...
Page 142 - Twentyeight States are regular producers of iron ore, and several others contain deposits of value. The States in which commercially important deposits of iron, ore occur may conveniently be grouped into six geographic divisions, as shown in the following list, in which the varieties of ore found in each are also indicated: 1.
Page 273 - Occurrence of wolframite and cassiterite in the gold placers of Deadwood Creek. Birch Creek district, by BL Johnson.
Page 44 - Kansas a deep well struck rock salt at 690 feet below the surface 'and penetrated 600 feet of rock salt in beds from 5 to 60 feet thick. A large area in this State is underlain by salt, which is mined by many shafts and obtained by pumping brine. Drilling for oil in [Texas and Louisiana has revealed the presence of tremendously thick deposits of rock salt at a depth of a few hundred feet. Thicknesses of 2,000 feet are common, and one drill hole passed through !more than 3,000 feet of rock salt.
Page 245 - Ransome, FL, and Calkins, FC, The geology and ore deposits of the Coeur d'Alene district, Idaho: US Geol.
Page 55 - The softness, absorptive capacity, difficult fusibility and solubility, and electric resistance of talc make it one of the most generally useful of all minerals in the arts and industries.