Evaluated Neutron Cross Sections for Tritium (open access)

Evaluated Neutron Cross Sections for Tritium

From foreword: Evaluation of the experimental data on the light isotopes, hydrogen through beryllium, was initiated by LASL in mid-1963. Since the data compilations available were completely inadequate for the task at hand, the tedious program of compiling and plotting was undertaken. As the work progressed an attempt was made to eliminate many of the obvious errors and inconsistencies found in the literature and existing compilations.
Date: February 1965
Creator: Stewart, Leona
System: The UNT Digital Library
Uranium Hydrogeochemical and Stream Sediment Reconnaissance in the San Juan Mountains, Southwest Colorado (open access)

Uranium Hydrogeochemical and Stream Sediment Reconnaissance in the San Juan Mountains, Southwest Colorado

From 1995 sites in the San Juan Mountains area, 1706 water and 1982 sediment samples were collected during June-July 1976 and analyzed for uranium. The area includes the southern third of the Colorado mineral belt which has yielded rich ores of gold, silver, copper, lead, zinc, and molybdenum. The broadly domed mountains are capped by 2500 m of Tertiary volcanics, deeply eroded to expose a Precambrian crystalline core. Adjacent plateaus underlain by Mesozoic sedimentary rocks were included in the reconnaissance. Average value of uranium in water samples from mountains was less than 0.5 parts per billion, from plateaus was 1-2 parts per billion, from Mancos shale areas exceeded 2 parts per billion. Anomalous sediment samples, 40 ppm uranium, came from near Storm King Mountain and upper Vallecito Creek. Other anomalous areas, including the Lake City mining district, were well defined by 4-30 parts per million uranium in sediment and 3-30 parts per billion uranium in water. Anomalous areas not previously reported indicate favorable areas for future exploration.
Date: February 1977
Creator: Maxwell, James C.
System: The UNT Digital Library
Uranium Hydrogeochemical and Stream Sediment Reconnaissance in Southwestern Montana (open access)

Uranium Hydrogeochemical and Stream Sediment Reconnaissance in Southwestern Montana

From introduction: This report presents data gathered in a Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) conducted by the Los Alamos Scientific Laboratory (LASL) in southwestern Montana. The HSSR was initiated by the US Department of Energy (DOE) to outline areas favorable for uranium exploration by examining uranium concentrations in natural waters and stream sediments.
Date: February 1978
Creator: Broxton, David E.
System: The UNT Digital Library
Uranium Hydrogeochemical and Stream Sediment Reconnaissance of the La Junta NTMS Quadrangle, Colorado, Including Concentrations of Forty-Three Additional Elements (open access)

Uranium Hydrogeochemical and Stream Sediment Reconnaissance of the La Junta NTMS Quadrangle, Colorado, Including Concentrations of Forty-Three Additional Elements

This report provides uranium and other elemental data resulting from the Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) of the La Junta quadrangle, Colorado.
Date: February 1979
Creator: Purson, John D. & Warren, Richard G.
System: The UNT Digital Library
Mass Yields From Fission by Neutrons Between Thermal and 14.7 Mev (open access)

Mass Yields From Fission by Neutrons Between Thermal and 14.7 Mev

Radiochemically determined mass-yield curves are given for the fission of U235 and U236 by 14.7-Mev neutrons.
Date: February 1965
Creator: Ford, George P. & Gilmore, James S.
System: The UNT Digital Library
Fabrication Procedure For RaLa Source Fuel Rods (open access)

Fabrication Procedure For RaLa Source Fuel Rods

A new method to procure RaLa sources was proposed by Group CMR-10, Los Alamos Scientific Laboratory. This method depended upon irradiation of small-diameter U235 wire in the Materials Testing Reactor, Arco, Idaho. A procedure for cladding and sealing U235 wire in stainless steel tubing, by drawing, plugging the tube ends, and welding, was developed, tested, and proved to be satisfactory.
Date: February 15, 1956
Creator: Hockett, J. E.; Duncan, J. D.; Doll, D. T. & Taub, J. M.
System: The UNT Digital Library