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Conflict Minerals and Resource Extraction: Dodd-Frank, SEC Regulations, and Legal Challenges

Description: This report discusses the two sections of the Dodd-Frank Wall Street Reform and Protection Act (Dodd-Frank) that require the Securities and Exchange Commission (SEC or Commission) to issue regulations to make public the involvement of U.S. companies in conflict minerals and in resource extraction payments.
Date: December 2, 2014
Creator: Seitzinger, Michael V. & Ruane, Kathleen Ann
Partner: UNT Libraries Government Documents Department

Conflict Minerals and Resource Extraction: Dodd-Frank, SEC Regulations, and Legal Challenges

Description: This report discusses the two sections of the Dodd-Frank Wall Street Reform and Protection Act (Dodd-Frank) that require the Securities and Exchange Commission (SEC or Commission) to issue regulations to make public the involvement of U.S. companies in conflict minerals and in resource extraction payments.
Date: October 15, 2014
Creator: Seitzinger, Michael V. & Ruane, Kathleen Ann
Partner: UNT Libraries Government Documents Department

Minerals Price Increases and Volatility: Causes and Consequences

Description: This report discusses China's efforts to improve and increase its access to foreign mineral resources, which may have the effect of raising prices for U.S. domestic industrial users. The report examines in detail the relationship between prices, production, and availability of selected metal minerals essential to the U.S. economy. It focuses on iron ore, aluminum (bauxite/alumina), copper, manganese, molybdenum (moly), zinc, platinum group metals (PGMs), and uranium.
Date: October 3, 2008
Creator: Cooney, Stephen; Pirog, Robert; Folger, Peter; Humphries, Marc & Nanto, Dick K.
Partner: UNT Libraries Government Documents Department

Conflict Minerals and Resource Extraction: Dodd-Frank, SEC Regulations, and Legal Challenges

Description: This report discusses the two sections of the Dodd-Frank Wall Street Reform and Protection Act (Dodd-Frank) that require the Securities and Exchange Commission (SEC or Commission) to issue regulations to make public the involvement of U.S. companies in conflict minerals and in resource extraction payments.
Date: April 2, 2015
Creator: Seitzinger, Michael V. & Ruane, Kathleen Ann
Partner: UNT Libraries Government Documents Department

China's Rare Earth Industry and Export Regime: Economic and Trade Implications for the United States

Description: Over the past few years, the Chinese government has implemented a number of policies to tighten its control over the production and export of "rare earths"-a unique group of 17 metal elements on the periodic table that exhibit a range of special properties, such as magnetism, luminescence, and strength. Rare earths are important to a number of high technology industries, including renewable energy and various defense systems. This report examines the economic and trade implications of China's rare earth policies for the United States.
Date: April 30, 2012
Creator: Morrison, Wayne M. & Tang, Rachel
Partner: UNT Libraries Government Documents Department

Mining on Federal Lands: Hardrock Minerals

Description: This report discusses the mining of hardrock minerals on fedearl lands, which is governed by the claim-patent system under the General Mining Law of 1872. It gives an overview the issues involved with the current system, such as competing land uses, and discusses proposed legislation meant to reform the claim-patent system.
Date: April 30, 2008
Creator: Humphries, Marc
Partner: UNT Libraries Government Documents Department

Changes in the Arctic: Background and Issues for Congress

Description: This report gives an overview of the situation in the Arctic region. The diminishment of Arctic sea ice has led to increased human activities in the Arctic, and has heightened interest in, and concerns about, the region's future. The United States, by virtue of Alaska, is an Arctic country and has substantial interests in the region. The Arctic has increasingly become a subject of discussion among political leaders of the nations in the region. In varying degrees, the Arctic coastal states have indicated a willingness to establish and maintain a military presence in the high north. U.S. military forces, particularly the Navy and Coast Guard, have begun to pay more attention to the region.
Date: June 15, 2012
Creator: O'Rourke, Ronald
Partner: UNT Libraries Government Documents Department

Changes in the Arctic: Background and Issues for Congress

Description: The diminishment of Arctic sea ice has led to increased human activities in the Arctic, and has heightened interest in, and concerns about, the region's future. The United States, by virtue of Alaska, is an Arctic country and has substantial interests in the region. The Arctic has increasingly become a subject of discussion among political leaders of the nations in the region. In varying degrees, the Arctic coastal states have indicated a willingness to establish and maintain a military presence in the high north. U.S. military forces, particularly the Navy and Coast Guard, have begun to pay more attention to the region.
Date: February 27, 2012
Creator: O'Rourke, Ronald
Partner: UNT Libraries Government Documents Department

Changes in the Arctic: Background and Issues for Congress

Description: This report provides an overview of Arctic-related issues for Congress, including sovereignty claims; commercial shipping through the Arctic; oil, gas, and mineral exploration; endangered species; and increased military operations in the region. It includes background information on the region and on a variety of issues for which Congress may want to consider legislation.
Date: April 5, 2012
Creator: O'Rourke, Ronald
Partner: UNT Libraries Government Documents Department

Changes in the Arctic: Background and Issues for Congress

Description: The diminishment of Arctic sea ice has led to increased human activities in the Arctic, and has heightened concerns about the region's future. Issues such as Arctic sovereignty claims; commercial shipping through the Arctic; Arctic oil, gas, and mineral exploration; endangered Arctic species; and increased military operations in the Arctic could cause the region in coming years to become an arena of international cooperation, competition, or conflict. This report provides an overview of Arctic-related issues for Congress, and refers readers to more in-depth CRS reports on specific Arctic-related issues.
Date: October 8, 2010
Creator: O'Rourke, Ronald
Partner: UNT Libraries Government Documents Department

Changes in the Arctic: Background and Issues for Congress

Description: The diminishment of Arctic sea ice has led to increased human activities in the Arctic, and has heightened concerns about the region's future. Issues such as Arctic sovereignty claims; commercial shipping through the Arctic; Arctic oil, gas, and mineral exploration; endangered Arctic species; and increased military operations in the Arctic could cause the region in coming years to become an arena of international cooperation, competition, or conflict. This report provides an overview of Arctic-related issues for Congress, and refers readers to more in-depth CRS reports on specific Arctic-related issues.
Date: October 15, 2010
Creator: O'Rourke, Ronald
Partner: UNT Libraries Government Documents Department

Changes in the Arctic: Background and Issues for Congress

Description: This report gives an overview of the situation in the Arctic region. The diminishment of Arctic sea ice has led to increased human activities in the Arctic, and has heightened interest in, and concerns about, the region's future. The United States, by virtue of Alaska, is an Arctic country and has substantial interests in the region. The Arctic has increasingly become a subject of discussion among political leaders of the nations in the region. In varying degrees, the Arctic coastal states have indicated a willingness to establish and maintain a military presence in the high north. U.S. military forces, particularly the Navy and Coast Guard, have begun to pay more attention to the region.
Date: February 7, 2012
Creator: O'Rourke, Ronald
Partner: UNT Libraries Government Documents Department

Changes in the Arctic: Background and Issues for Congress

Description: This report discusses the diminishment of Arctic sea ice, the ensuing increase in human activities in the Arctic, and concerns about the region's future. It provides overviews of: Arctic sovereignty claims; commercial shipping through the Arctic; Arctic oil, gas, and mineral exploration; endangered Arctic species; and increased military operations in the Arctic could cause the region in coming years to become an arena of international cooperation, competition, or conflict.
Date: August 1, 2012
Creator: O'Rourke, Ronald
Partner: UNT Libraries Government Documents Department

Federal offshore statistics: 1995 - leasing, exploration, production, and revenue as of December 31, 1995

Description: This report provides data on federal offshore operations for 1995. Information is included for leasing activities, development, petroleum and natural gas production, sales and royalties, revenue from federal offshore leasing, disbursement of federal revenues, reserves and resource estimates, and oil pollution in U.S. and international waters.
Date: July 1, 1997
Creator: Gaechter, R.A.
Partner: UNT Libraries Government Documents Department

Abiotic Degradation Rates for Carbon Tetrachloride and Chloroform: Progress in FY2009

Description: This report documents the progress made through FY 2009 on a project initiated in FY 2006 to help address uncertainties related to the rates of hydrolysis in groundwater for carbon tetrachloride (CT) and chloroform (CF). The study seeks also to explore the possible effects of contact with minerals and sediment (i.e., heterogeneous hydrolysis) on these rates. In previous years the work was funded as two separate projects by various sponsors, all of whom received their funding from the U.S. Department of Energy (DOE). In FY2009, the projects were combined and funded by CH2MHill Plateau Remediation Corporation (CHPRC). Work in FY2009 was performed by staff at the Pacific Northwest National Laboratory (PNNL). Staff from the State University of New York at Cortland (SUNY–Cortland) contributed in previous years.
Date: March 2010
Creator: Amonette, James E.; Jeffers, Peter M.; Qafoku, Odeta; Russell, Colleen K.; Wietsma, Thomas W. & Truex, Michael J.
Partner: UNT Libraries Government Documents Department

Calculation of the chemical behavior of highly concentrated geothermal brines

Description: In this report, the authors describe the development of a chemical equilibrium model for hydrothermal waters based on the semiempirical equations of aqueous electrolyte solutions recently introduced by Pitzer and co-workers. Accurate solubility predictions (usually within 5-10% of experimental results) can be made for ionic strengths 0-20m. Comparison with experimental data indicates that a theory parameterized by binary and ternary data can be used to accurately predict solubilities in much more complex mixtures. Mineral solubilities calculated with this model are compared with those calculated from other currently available models. Whereas the predictions are typically within 5%, the ion pairing models are substantially in error at low ionic strengths. Recent results parameterizing the H{sub 2}S and SiO{sub 2} systems will be presented.
Date: October 8, 1982
Creator: Moller-Weare, Nancy & Weare, John H.
Partner: UNT Libraries Government Documents Department

PREPARATION AND EVALUATION OF ALUMINUM-35 w/o URANIUM ALLOYS CONTAINING UP TO 3 w/o TIN OR ZIRCONIUM

Description: The effects of ternary additions of up to 3 wt.% Sn or Zr to an Al-35 wt.% U extrusion alloy were evaluated on the basis of casting characteristics, UAl/sub 3/ retention, extrusion behavior, mechanical properties, and corrosion resistance. Both additions increased the fluidity of the alloy, and both promoted retention of UAl/sub 3/. The best fluidity was obtained by a 2 wt.% Sn addition, while Zr was the more effective stabilizer of UAl/sub 3/. The retention of UAl/sub 3/ decreased the extrusion pressure needed for fabrication and caused a corresponding decrease in tensile and creep-rupture properties. Reductions in strength were most noticeable at elevated temperatures. The 1000- hr stress-rupture strength of the binary alloy at 200 deg C (8300 psi) was approximately 25 and 11% higher, respectively, than the alloys containing 3 wt.% tin (6200 psi and 3 wt.% zirconium (7400 psi). The additions either slightly improved or had no effect upon the resistance of the Al-35 wt.% alloy in 150 deg C demineralized water. (auth)
Date: July 29, 1960
Creator: Daniel, N.E.; Foster, E.L. Jr. & Dickerson, R.F.
Partner: UNT Libraries Government Documents Department

Abiotic Degradation Rates for Carbon Tetrachloride: and Chloroform: Progress in FY 2008

Description: This is a letter report summarizing work performed in FY2008 to determine the rates of carbon tetrachloride hydrolysis at temperatures close to actual groundwater temperatures. The report describes the project, the methodology, and the results obtained since the project's inception in FY2006. Measurements of hydrolysis rates in homogeneous solution have been completed for temperaturs of 70 C through 40 C, with additional data available at 30 C and 20 C. These results show no difference between the rates in deionized H2O and in filter-sterilized Hanford-Site groundwater. Moreover, the rates measured are 2-3 times slower than predicted from the open literature. Measurements of rates involving sterile suspensions of Hanford-Site sediment in Hanford-Site groundwater, however, show faster hydrolysis at temperatures below 40 C. Extrapolation of the current data available suggests a six-fold increase in rate would be expected at groundwater temperature of 16 C due to the presence of the sediment. This result translates into a 78-year half-life, rather than the 470-680 year half-life that would be predicted from rate determinations in homogeneous solution. The hydrolysis rate data at 20 C, in contrast to those at higher temperatures, are preliminary and have low statistical power. While significant (p < 0.05) differences between the heterogeneous and homogeneous systems are seen at 30 C, the results at 20 C are not statistically significant at this level due to limited data and the very slow nature of the reaction. More time is needed to collect data at these low temperatures to improve the statistical power of our observation. Given the critical need for hydrolysis rate data at temperatures relevant to groundwater systems, we have three recommendations for future work. First, we recommend a continuation of the sampling and analysis of the remaining long-term sealed-ampule experiments described in this report. These are primarily 20 C and ...
Date: October 31, 2008
Creator: Amonette, James E.; Jeffers, Peter M.; Qafoku, Odeta; Russell, Colleen K.; Wietsma, Thomas W. & Truex, Michael J.
Partner: UNT Libraries Government Documents Department

Esperanzaite, NaCa(2)Al(2)(As(5+)O(4))[As(5+)O(3)(OH)](OH)(2)F(4)(H(2)O), A New Mineral From Mina La Esperanza, Mexico: Descriptive Mineralogy and Atomic Arrangement

Description: Esperanzaite, ideally NaCazA12(As5+0.i)[As5+03 (OH)] (OH)2FJH20), Z =2, is a new mineral from the Mina h Esperarq Durango State, Mexico. The mineral occurs as blue-green botryoidal crystalline masses on rhyolite, with separate spheres up to 1.5 mm Y Deceased in diameter. Mobs hardness is 4.5, specific gravity 3.240h, and 3.36( 3)C.IC. Optical properties were measured in 589 nm light. Esperanzaite is biaxial (-), .Y= Y = Z= colorless, a 1.580(1), ~ 1.588( 1), and y 1.593(1 ); 2V0hs is 74(1 ~ and 2 }'CUIC is 76.3". Dispersion is medium, r < v, and optic axes are oriented as a A Z = +50.5o, b = Y, c P. X = +35". The five strongest X-ray diffraction maxima in the powder pattern are (~ /, hk~: 2.966,100, 13 i, 31 i, 031 ; 3.527,90, 220; 2.700,90,221,002, 040; 5.364>80, 001, 020; 4.796,80,011. Esperanzaite is monoclinic, u 9.687(5), b 10.7379(6), c 5.5523(7)& ~ 105.32( 1 )", space group P21/nz. The atomic arrangement of esperanzaite was solved by Direct Methods and Fourier analysis (R= 0.03 1). The Fundamental Building Block is formed of stacks of heteropolyhedral tetramers; the tetramers are formed of two arsenate tetrahedral and two Al octahedra, comer-linked in 4-member rings. The Fundamental Building Blocks are linked by irregular lda~j and Ca@ polyhedra.
Date: November 9, 1998
Creator: Cureton, F.; Falster, A.U.; Foord, E.E.; Hlava, P.F.; Hughes, J.M. & Maxwell, C.H.
Partner: UNT Libraries Government Documents Department

Np Behavior in Synthesized Uranyl Phases: Results of Initial Tests

Description: Initial tests were completed at Pacific Northwest National Laboratory for developing a potential mechanism to retard the mobility of neptunium at the Yucca Mountain repository. Neptunium is of concern because of its mobility in the environment and long half life, contributing a large percentage of the potential dose over extended times at the perimeter of the site. The mobility of neptunium could be retarded by associating with uranium mineral phases. The following four uranium mineral phases were examined and are potential secondary phases expected to form as a result of interactions of spent nuclear fuel with the local environment: meta-schoepite, studtite, uranophane, and sodium boltwoodite. The fate of the neptunium was examined in these synthetic experiments.
Date: September 28, 2004
Creator: Friese, Judah I.; Douglas, Matthew; McNamara, Bruce K.; Clark, Sue B. & Hanson, Brady D.
Partner: UNT Libraries Government Documents Department

A Novel Approach to Experimental Studies of Mineral Dissolution Kinetics

Description: Currently, DOE is conducting pilot CO{sub 2} injection tests to evaluate the concept of geological sequestration. The injected CO{sub 2} is expected to react with the host rocks and these reactions can potentially alter the porosity, permeability, and mechanical properties of the host or cap rocks. Reactions can also result in precipitation of carbonate-containing minerals that favorably and permanently trap CO{sub 2} underground. Many numerical models have been used to predict these reactions for the carbon sequestration program. However, a firm experimental basis for predicting silicate reaction kinetics in CO{sub 2} injected geological formations is urgently needed to assure the reliability of the geochemical models used for the assessments of carbon sequestration strategies. The funded experimental and theoretical study attempts to resolve this outstanding scientific issue by novel experimental design and theoretical interpretation of silicate dissolution rates at conditions pertinent to geological carbon sequestration. In this four year research grant (three years plus a one year no cost extension), seven (7) laboratory experiments of CO{sub 2}-rock-water interactions were carried out. An experimental design allowed the collection of water samples during experiments in situ and thus prevented back reactions. Analysis of the in situ samples delineated the temporal evolution of aqueous chemistry because of CO{sub 2}-rock-water interactions. The solid products of the experiments were retrieved at the end of the experimental run, and analyzed with a suite of advanced analytical and electron microscopic techniques (i.e., atomic resolution transmission electron microscopy (TEM), scanning electron microscopy (SEM), electron microprobe, X-ray diffraction, X-ray photoelectron spectroscopy (XPS)). As a result, the research project probably has produced one of the best data sets for CO{sub 2}-rock-water interactions in terms of both aqueous solution chemistry and solid characterization. Three experiments were performed using the Navajo sandstone. Navajo sandstone is geologically equivalent to the Nugget sandstone, which is ...
Date: August 31, 2008
Creator: Zhu, Chen
Partner: UNT Libraries Government Documents Department

NOVEL IN-SITU METAL AND MINERAL EXTRACTION TECHNOLOGY

Description: This white paper summarizes the state of art of in-situ leaching of metals and minerals, and describes a new technology concept employing improved fragmentation of ores underground in order to prepare the ore for more efficient in-situ leaching, combined with technology to continuously improve solution flow patterns through the ore during the leaching process. The process parameters and economic benefits of combining the new concept with chemical and biological leaching are described. A summary is provided of the next steps required to demonstrate the technology with the goal of enabling more widespread use of in-situ leaching.
Date: September 22, 2004
Creator: O'Gorman, Glenn; Michaelis, Hans von & Olson, Gregory J.
Partner: UNT Libraries Government Documents Department

Immobilization of Radionuclides in The Hanford Vadose Zone by Incorporation in Solid Phases

Description: The objective of this study was to examine the homogeneous and heterogeneous reduction of Cr(VI) by dissolved Fe(II) and Fe(II)-containing minerals under conditions thought to be indicative of HLW fluids (high pH, high ionic strength and high temperature). Many investigators have reported the homogeneous reduction of Cr(VI) by dissolved FE(ii), but less information is available for Ph values &gt; 8. The first part of this effort evaluated the ability of dissolved Fe(II) to reduce dissolved Cr(VI) in hyperalkaline solutions.
Date: April 26, 2004
Creator: Mullins, Gary & Traina, Samuel
Partner: UNT Libraries Government Documents Department