UNT Libraries Government Documents Department - 3,835 Matching Results

Search Results

prev Results: 211 - 234 next
open access

Progress Report For January 16, 1951 - March 15, 1951

Description: A progress report on the results obtained, during the period, on ore samples from Grants, New Mexico, Maryvale, Utah, Hite, Utah, a fluorite deposit in Utah, and Rand ores. Also reported are results obtained with anion exchange resins in pulp, and systematic studies with anion exchange resins. Application of the lyometallurgical process to several ores and the use of an activated alumina column for purification of pregnant solvent solutions before precipitation are mentioned. Analytical develop… more
Date: 1951
Creator: American Cyanamid Company
Item Type: Refine your search to only Report
open access

Progress Report For March 16, 1951 - May 15, 1951

Description: A progress report on investigations dealing with ores from Grants, New Mexico, Lukachukai Mountain District in Arizona, Belgian Congo, Thomas Mountain Range in Utah, and the Witwatersrand, South Africa. Anionic exchange resin studies such as resin in pulp, self elution with Rand leach liquors, adsorption of uranyl nitrate and uranyl perchlorate, adsorption of iron, manganese, cobalt, arsenic and molybdenum from sulfite solutions, adsorption or uranium from chloride bearing sulfate solutions are… more
Date: 1951
Creator: American Cyanamid Company
Item Type: Refine your search to only Report
open access

Proposed Exploration for Uranium in the Front Range Mineral Belt, Colorado

Description: From abstract: Recorded production of pitchblende in the United States totals 313 tons of ore containing about 15 percent uranium. Of this total, 303 tons was produced at Central City and 8 tons at Lawson prior to World War I. The remaining 2 tons has been mined at Caribou during the past two years and is being stockpiled at the mine.
Date: January 1951
Creator: Moore, Frank B.; King, Robert Ugstad & Hinrichs, E. Neal
Item Type: Refine your search to only Report
open access

Radioactive Fluorite in the Thomas Range, Juab County, Utah

Description: From abstract: The Thomas Range fluorite district, on Spor's Mountain in the western part of the Thomas Range, Juab County, Utah, is approximately 6 miles long and 2 miles wide, and contains almost no unclaimed land. The fluorite production of the district, since its discovery in 1943, has been 35,700 short tons. It was obtained from 12 different ore bodies on eight different properties. G. P. Spor, Ray Spor, and Chad Spor; Albert Willden and Earl Willden; T. A. Claridge; and W. E. Black and F.… more
Date: January 1951
Creator: Staatz, Mortimer Hay; Wilmarth, V. R. & Bauer, Herman L., Jr.
Item Type: Refine your search to only Report
open access

Radioactivity at the Jim Kane Mine, Mohave County, Arizona

Description: Abstract: About 2,000 tons of low-grade lead ore has been produced from the Jim Kane mine, near Kingman, Mohave County, Ariz. A 3-foot vein of gouge and siderite stringers in pre-Cambrian gneiss contains some lead and, locally, is abnormally radioactive. A sample of the vein contained 0.067 percent uranium. Abnormal radioactivity is restricted to a small part of the vein, and no reserves are calculated.
Date: January 1951
Creator: Kaiser, E. P.
Item Type: Refine your search to only Report
open access

Radioactivity in the "Okpilak" Gneissic Granite Mount Michelson Area, Northeastern Alaska

Description: The following report discusses radioactive results found in 4 samples of gneissic granite of 13 samples collected from the Mount Michelson area of northeastern Alaska. A mineralogic study of all heavy-mineral fractions having more than 0.01 percent equivalent uranium indicates that the radioactive material apparently is confined to biotite, which in one sample contains 1.19 percent uranium.
Date: January 1951
Creator: White, Max G.
Item Type: Refine your search to only Report
open access

Reserves of Phosphate in the Land-Pebble Phosphate Field, Hardee, Hillsborough, Manatee, Osceola, Pasco, and Polk Counties, Florida

Description: From abstract: Investigations of the land-pebble phosphate deposits of Florida by the Geological Survey began in November 1947. This report presents the computation of reserves of phosphate rock in the northern part of the district.
Date: January 1951
Creator: Cathcart, James Bachelder; Tillman, C. G. & Dutro, H. B.
Item Type: Refine your search to only Report
open access

Uraniferous Quartzite, Red Bluff Prospect, Gila County, Arizona

Description: Abstract: Radioactive zones are present in the upper silty part of the pre-Cambrian Dripping Spring quartzite at the Red Bluff prospect, Gila County, Ariz. The prospect is in the SE 1/4 sec. 31, T. 5 N., R. 14 E., at the southern end of the Sierra Ancha area and 12 miles northeast of Roosevelt Dam. Stratigraphic control of the radioactive zones is indicated by the restriction of the zones to two layers, each about 20 feet thick.The zones are spatially associated in part with a diabase dike that… more
Date: January 1951
Creator: Kaiser, E. P.
Item Type: Refine your search to only Report
open access

Uranium Deposits on the Bulloch Group of Claims, Kane County, Utah

Description: From abstract: The Bulloch group of uranium claims are in T. 40 S., R. 9 we, Kane County, Utah. The past production has been 8.5 tons of submarginal ore submitted to the Marysvale purchasing depot of the Atomic Energy Commission in 1950; this shipment assayed 0.16 percent U308, Uranium is finely disseminated in clay, carbonaceous clay, carbonized wood fragments, iron-oxide concretions, petrified logs, sandstone, and conglomerates of the lower part of"the Dakota sandstone and upper part of the S… more
Date: January 1951
Creator: Beroni, E. P.; McKeown, F. A.; Stugard, F., Jr. & Gott, Garland B.
Item Type: Refine your search to only Report
open access

Viscosity and Settling Rates of TBP Waste Metal Slurries as a Function of Shear

Description: This report follows work that is meant to determine the settling rate and viscosity of Hanford Waste metal slurry as a function of prolonged agitation and shear, and to repeat these determinations on a synthetic incubated material similar to that used in the acidification studies, HW-18367, and to make a direct comparison between the genuine and simulated wastes.
Date: January 2, 1951
Creator: Varga, L. P. & Harmon, M. K.
Item Type: Refine your search to only Report
open access

Analysis of Lid Tank Neutron Data for Lead and Iron

Description: Abstract: An analysis of the lid tank neutron data for Pb-H2O and Fe-H2O is made. "Effective" fast neutron cross sections for the metals are obtained. This is based on the "one collision theory" of shielding. Values are 3.4 barns for Pb and 2.0 barns for Fe. These compare very well with those obtained by Albert and Welton based on other lid tank data and another method of calculation.
Date: January 5, 1951
Creator: Podgor, S.
Item Type: Refine your search to only Report
open access

Creep-Rupture Tests of Beryllium

Description: "A program of creep-rupture tests of several bars of Beryllium has been completed. The tests were made at 1200, 1400, 1550, and 1700 F. in protective atmospheres of tank helium or hydrogen. The results are given in a summary table and by creep and design curves. A description of the test set-up is included."
Date: January 9, 1951
Creator: Manjoine, M. J.
Item Type: Refine your search to only Report
open access

Impact Extrusion of Uranium

Description: Uranium has been successfully impact extruded into typical cylindrical shapes of conventional design. Extrusion was carried out in the "gamma" region by heating cast uranium slugs to a temperature of approximately 1050 degrees C. Protection against oxidation was afforded by surrounding the slugs during heating with an inert atmosphere of argon gas. Impact extruded shapes possessed physical properties which are better than the properties of as-cast metal. Also, extruded shapes show a uniform int… more
Date: January 10, 1951
Creator: Hanks, G. S.; Jaynes, G. E.; Taub, J. M. & Doll, D. T.
Item Type: Refine your search to only Report
open access

Short Period Gamma-Rays from U235 Fission Products

Description: A search for gamma-ray activities with period 1-100 msec from thermal neutron fission of U235 gave negative results. 0.43 +- 0.03 sec was the shortest observed. The period of B12 was found to be 27 +- 3 msec. The cyclotron beam was pulsed to supply 1-10 msec neutron bursts. coincidence scintillation deters were employed.
Date: January 15, 1951
Creator: Brolley, John Edward, 1919- & Livingston, M. Stanley (Milton Stanley)
Item Type: Refine your search to only Report
open access

Effect of Hanford Pile Effluent Upon Aquatic Invertebrates in the Columbia River

Description: Abstract: "This is the preliminary report of a radiological-ecological survey of the invertebrate fauna that inhabit the Columbia River within the confines of Hanford Works and downstream to the site of McNary Dam. The survey was carried out during the period of October, 1948 through February, 1950. Materials and methods are discussed and the results of extensive radioassays, qualitative and quantitative biological determinations, and hydrographic studies are given and analyzed. Twelve figures … more
Date: January 19, 1951
Creator: Davis, Jared J. & Cooper, Calvin L.
Item Type: Refine your search to only Report
open access

A Spectrophotometric Determination of Multimicrogram Amounts of Plutonium

Description: A spectrophotometric method for the determination of plutonium wing sodium alizarin sulfonate has been developed. The red plutonium-alizarin sulfonate color is developed in solutions having a pH of about three in the presence of a formic acid-sodium formate buffer, and the resulting absorption is measured at 530 millimicrons. Most interfering cations, particularly iron(III), are removed from the plutonium solutions by means of electrolysis using a mercy cathode. Aluminum(III), in quantities up… more
Date: January 26, 1951
Creator: King, Glendall L.
Item Type: Refine your search to only Report
Back to Top of Screen