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The Crystal Cavities of the New Jersey Zeolite Region

Description: From abstract: The crystal cavities present in the mineral complex of the New Jersey traprock region have long excited the interest of mineralogists. In 1914 Fenner made the first detailed and comprehensive study of these cavities and suggested that babingtonite was the original mineral. Soon after this anhydrite was found occupying parts of some of the cavities at one of the quarries. At this time, too, Wherry concluded that glauberite was the original mineral of some of the cavities because of his studies of similar crystal cavities in Triassic shale at different places.
Date: 1932
Creator: Schaller, Waldemar T.
Partner: UNT Libraries Government Documents Department

Radioactivity and Mineralogy of Placer Concentrates From the Fortymile District, Alaska

Description: Report discussing the study of radioactivity and mineralogy of 24 placer concentrate samples from the Fortymile district of east-central Alaska. Only two samples showed significant radioactivity due to uraniferous thorianite. Sections include geology, and radiometric and mineralogic studies.
Date: August 1950
Creator: White, M. G.
Partner: UNT Libraries Government Documents Department

The Eruptive and Sedimentary Rocks on Pigeon Point, Minnesota, and Their Contact Phenomena

Description: From preface: The preparation of this paper is due to the fact that the eruptive rocks occurring on Pigeon point, Minnesota, may be taken as types of similar eruptives found so widely spread over the Huronian and Keweenawan areas surrounding Lake Superior, and to the peculiar nature of the alteration these have superinduced in the fragmental rocks through which they have broken.
Date: 1893
Creator: Bayley, William Shirley
Partner: UNT Libraries Government Documents Department

Minor Elements in Some Rocks, Ores, and Mill and Smelter Products

Description: Report discussing spectrographic analyses of rocks, ores, mill products, and smelter products. From Abstract: "The analyses are grouped by states and by major raw mineral raw materials. The samples vary widely in character and in kind of material. They were analyzed chiefly by spectrographic methods, the accuracy of which increased during the later stages of the work."
Date: April 1954
Creator: Kaiser, E. P.; Herring, B. F. & Rabbitt, John C.
Partner: UNT Libraries Government Documents Department

Geology of the Castle Mountain Mining District, Montana

Description: From preface: This memoir is a general study of the region described, and not a detailed report. The field work upon which it is based formed a part of the work of mapping the areal geology of the Little Belt Mountains sheet of the Geological Survey. The topographic map, made in 1882 by the Northern Transcontinental Survey, is too small in scale and too general in character to warrant more detailed work; but as the facts obtained are of interest, and the region is one of economic importance, it has been considered worthy of a special treatment.
Date: 1896
Creator: Weed, Walter Harvey & Pirsson, Louis Valentine
Partner: UNT Libraries Government Documents Department

A Multiple Cone Splitter for Rapid Sampling in the Laboratory

Description: Report explaining a multiple cone sample splitter, which, in one operation, obtains representative sample fractions of 5-50 percent and increases time efficiency compared to conventional methods of sample splitting. Information regarding the machine's description, operation, and accuracy are given as well as a summary.
Date: October 1953
Creator: Kellagher, Richard
Partner: UNT Libraries Government Documents Department

Molar Volumes and Densities of Minerals

Description: The following report presents tables critically chosen for the "best values" for the density and molar volume of selected mineral compounds. The intent to the selection was not to be inclusive, but to present data for chemically and physically well-defined phases for which the molar volume and/or density was known to the order of 0.2 percent.
Date: July 1962
Creator: Robie, Richard A. & Bethke, Philip M.
Partner: UNT Libraries Government Documents Department

Limnological and Geochemical Survey of Williams Lake Hubbard County, Minnesota

Description: Purpose and scope: The purpose of this report is to describe and make preliminary interpretations of: (1) Limnological characteristics of Williams Lake, based on physical, chemical, and biological data collected in 6 days in 6 different months in 1979; (2) chemical quality of ground water near the lake, based on samples collected during the summer of 1979; and (3) mineralogy of the lake sediment cores obtained in February 1978. The period of study extended from March, when the lake was covered by ice, through the period of open water, to December, when it was again covered by ice.
Date: September 1981
Creator: LaBaugh, J. W.; Groschen, G. E. & Winter, T. C.
Partner: UNT Libraries Government Documents Department

The Paleozoic Section in the Vicinity of Three Forks, Montana

Description: From introduction: The Three Forks sheet of Montana includes the area lying between the parallels of 450 and 460, and extending from longitude 111 to 1120. The three forks of the Missouri river unite in the north central portion of this area about 5 miles south of the northern line of the map.
Date: 1893
Creator: Peale, Albert Charles
Partner: UNT Libraries Government Documents Department

METALLURGY DIVISION QUARTERLY PROGRESS REPORT FOR PERIOD ENDING JANUARY 31, 1953

Description: A study was made of the effect of the addition of V aad Si on the properties of Th; corrosion of stainless steel in uranyl sulfate; corrosion, brazing, and welding of stainless steel; properties of Ti; method of combining deuterium and O for return to the reactor; spot welding of fuel elements; fabrication of reactor fuel elements; mechanical testing of U, Th, and stainless steel; surface rearrangements on a single crystal of Cu in contact with a saturated solution of Cu in Bi; development of cermets for reactor components; fabrication of Th-U fuel elements and Al-U alloy componerts. (J.E.D.)
Date: April 1, 1953
Creator: Bridges, W.H. ed.
Partner: UNT Libraries Government Documents Department

Atomization Method of Making Uranium Powder

Description: Atomized U powder was produced by forming an electric arc between two U electrodes in an inert atmosphere and sending a high velocity stream of inert gas through the arc. Uranium particles obtained by this method were of spherical shape; smaller particles contained mostly small grains, and larger particles wore characterizcd by larger grains. The particles were ductile and could be hotpressed to a compact of high density. The temporary equipment used for those preliminary tests on atomization was not adequate to control particle size. Suggestions for the production of atomized U powder of controllable quality are included. (arth)
Date: August 1, 1950
Creator: Hausner, H. H. & Mansfield, H.
Partner: UNT Libraries Government Documents Department

Metallurgy Division Quarterly Report for July, August, and September 1953

Description: >Progress is reported in the extrusion of Cu-clad Zr billets into tubing, welding of Zr strip into tubing using a roder resistance welding tube mill, piercing of Zr billets into a base tube, the casting and fabrication of U-- Nb alloys, the rolling of Zircaloy sheet, the roll-cladding of Zircaloy to U--Nb alloys, the fabrication of plate type reactor fuel elements of U--Hb alloys roll bonded with Zircaloy, fabrication of a complete U/sup 235/--Zr fuel slug for the EBR, the fabrication of U-- Zr alloy rod into EBR fuel blanket slugs, the thermal cycling of U-- Zr rods following heat treatment, the fubrication of enriched U reactor fuses, the preparation and dimensional stability of U single crystals, twinning in U crystals, diffusion in Cu- U couples, the fabrication of U billets from electrolytic crystals, the preparation of U-- Zr and Hb--U alloys, effects of radiation on U, the effects of radiation on U-- Zr alloys, the corrosion of Al, Zr, and Nb-U alloys, and the effects of heat treatments on Hb-- U alloys. (C.H.)
Date: September 30, 1953
Partner: UNT Libraries Government Documents Department

FUNDAMENTALS OF SINTERING--II. Second Annual Progress Report, June 30, 1956 to June 30, 1957

Description: Rates of spheroidization and densification of gold and of nickel wire compacts were measured as a function of time, temperature, and wire size. The necks joining the sintered particles were found to grow proportionally to the one- fifth root of time. The value of the coefficient of self-difiusion calculated from the sintering rate is of the sane order of magnitude as that obtained by ordinary tracer techniques but with a somewhat higher activation energy. These results are entirely consistent with those predicted by the Kuczyrski diffusional theory of sintering, as is the effect of wire size on sintering rate. The experiments did not reveal a clear effect of grain boundaries on sintering rates. This may be due to a relatively slow densification of the nickel wire compacts at even 0.98 of the absolute melting point, which obscured the effect of grain growth on sintering rate. (auth)
Date: February 15, 1958
Creator: Pranatis, A.L.; Castleman, L.S. & Seigle, L.
Partner: UNT Libraries Government Documents Department

Map of the Colorado Plateau Showing Deposits and Groups of Deposits That Have Produced 1,000 Tons or More of Uranium-Vanadium Ore Through December 31, 1953

Description: The following document provides a mineralogical and geological map of the Colorado Plateau providing deposits and groups of deposits that have been found to produce 1,000 tons or more of uranium-vanadium within December 31, 1953.
Date: 1955
Creator: Chew, Randall T., (3d.)
Partner: UNT Libraries Government Documents Department

Map of the Colorado Plateau Showing Deposits and Groups of Deposits that Produced 1,000 Tones or More of Uranium-Vanadium Ore Through December 31, 1953

Description: The following document provides a mineralogical and geological map of the Colorado Plateau providing deposits and groups of deposits that have been found to produce 1,000 tons or more of uranium-vanadium within December 31, 1953.
Date: 1955
Creator: Chew, Randall T., (3d.)
Partner: UNT Libraries Government Documents Department