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The Absorption Spectra of Complexes of Uranium (VI) with Some [beta]-Diketones

Description: Abstract: "The absorption spectra of the complexes of uranium (VI) with four [beta]-diketones were determined under various conditions of pH, concentration of uranium, and alcohol concentration. Under optimum conditions, the maximum molar absorptivity (31,200) is obtained using 2-furoyltri-fluoroacetone. This compares with about 4,000 and 19,000 for the thiocyanate and dibenzoylmethane complexes, respectively."
Date: October 1956
Creator: Feinstein, H. I.

Abundance and Distribution of Uranium and Thorium in Zircon, Sphene, Apatite, Epidote, and Monazite in Granitic Rocks

Description: The following report covers investigations of uranium and thorium discovered within host minerals in the earth's crust, zircon, sphene, apatite, epidote, and monazite. The object of this investigation has been to obtain an approximate measure of the abundance and distribution of uranium and thorium among these five mineral phases.
Date: November 1956
Creator: Hurley, P. M. & Fairbairn, H. W.

Adsorbent Clays: Their Distribution, Properties, Production, and Uses

Description: From Abstract: "This bulletin is a summary of present knowledge of the adsorbent or bleaching clays-their distribution, field and laboratory identification, physical and chemical properties, uses, quality, and value. Problems in the drying, treating with acids, and washing are discussed, and methods of testing and rating decolorizing efficiency are described."
Date: 1943
Creator: Nutting, P. G.

An Air Concentrator for Very Low Grade Colorado Plateau Uranium Ores

Description: Report discussing the use of an air concentrator on uraniferous sandstones for producing concentrates with over ten times the amount of uranium as original sandstone. A description of the concentrator, information regarding its operation, results of the concentration, information on the concentrator's applications, and a general summary are included.
Date: January 1953
Creator: Stieff, L. R. & Erickson, E. S., Jr.

Airborne Radioactivity Survey of the Red Desert Region, Sweetwater County, Wyoming

Description: From abstract: An airborne radioactivity survey of a selected area in the Red Desert, Sweetwater County, Wyoming, containing outcrops of radioactive lignites and shales of known surface extent and uranium content, was flown on flight lines at three levels, respectively 250, 500, and 1,000 feet above the ground and spaced at one-quarter mile intervals. Measurements from three identical dual-channel radiation detectors were simultaneously recorded to obtain data at various distances from natural radioactive sources of known configuration. The radiation intensity measurements were fully corrected for all extraneous effects and were compiled as profiles of radiation intensity, as an isoradioactivity contour map, and as curves showing the relationship between radiation intensity and distance from the source.
Date: July 1951
Creator: Nelson, R. A.; Sharp, William N. & Stead, Frank W.

Airborne Radioactivity Surveys for Phosphate in Florida

Description: Introduction: Deposits of phosphate in Florida, located beyond the limits of known producing areas, have been reported by prospectors and mining companies. Much of the information has been based upon prospecting and exploration which was undertaken many years ago and as a result the published data relating to the occurrence of these deposits are fragmentary, and few details relating to specific locations and extent are available.
Date: August 1953
Creator: Moxham, Robert Morgan

Airborne Radioactivity Surveys in Geologic Exploration

Description: The following report describes the use of airborne radioactivity surveying and analytical techniques in geologic exploration by examples of the analysis or evaluation of airborne data related to specific geologic settings. The airborne radioactivity surveying program was begun in 1949 by the U.S. Geological Survey to assist in uranium exploration.
Date: August 1958
Creator: Moxham, R. M.

Airborne Radioactivity Surveys in the Mojave Desert Region, Kern, Riverside, and San Bernardino Counties, California

Description: From abstract: Airborne radioactivity surveys in the Mojave Desert region, Kern, Riverside, and San Bernardino counties were made in five areas recommended as favorable for the occurrence of radioactive raw materials: (1) Rock Corral area, San Bernardino County. (2) Searles Station area, Kern County. (3) Soledad area, Kern County, (4) White Tank area, Riverside and San Bernardino counties. (5) Harvard Hills area, San Bernardino County. Anomalous radiation was detected in all but the Harvard Hills area.
Date: July 1952
Creator: Moxham, Robert Morgan

Altitude and Generalized Configuration of the Top of the Floridian Aquifer, St. Johns County, Florida

Description: From introduction: This map shows the approximate altitude and configuration of the top of the Floridian aquifer...This map was prepared from geologic, geophysical, and drillers' logs on file with the Florida Bureau of Geology, U.S. Geological Survey, St. Johns River Water Management District, and from logs in published reports.
Date: 1984
Creator: Spechler, Rick M.

Aluminous Lateritic Soil of the Republic of Haiti, W.I.

Description: From abstract: Aluminous lateritic soil containing as much as 50 percent of alumina (A120) Is found in several places in the Republic of Haiti. The largest deposits are on the Rochelois Plateau southwest of Miragoane on the Southern Peninsula. Mapping and drilling of the deposits indicate fifteen million long tons in place (dried basis). It is estimated that a minimum of 10 million long tons of this reserve is recoverable. The average chemical composition of this material is as follows: A1203, 46.8 percent; SiO2, 3.4 percent; T1O2, 2.8 percent; Fe20, 21.9 percent ; P206, 0.6 percent ; MnO5, 0.5 percent ; and loss on ignition, 24.1 percent. Other localities in which similar lateritic soil occurs are Beaumont in the Massif de la Hotte ; the vicinity of Savane Zombi in the Massif de la Selle ; and Savane Terre Rouge on the plateau northwest of Gonaives. In none of these regions were large deposits found.
Date: 1948
Creator: Goldich, Samuel S. & Bergquist, Harlan R.

The Aluminum Phosphate Zone in the Peace River Area, Land-Pebble Phosphate Field, Florida

Description: Report discussing information on the aluminum phosphate zone of the Peace River area. At the time of the report, the first plant to treat aluminum phosphate was probably to be located in this area. Information on the geology of the area, weathering/erosion, mineralogy, occurrence and distribution of aluminum, chemical relations and variations of aluminum phosphate, relation of geologic features, mining plans, and tonnage/grade of the zone are included.
Date: December 1953
Creator: Cathcart, J. B.