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Showing 1 to 20 of 83 for “"clay mineral"”.

  1. Sustainable ball clay mineral extraction.

    … law and policy has on access to ball clay mineral resources in the Wareham Basin, Dorset. Ball clay is a non-renewable resource and planning for its sustainable use involves a consideration of current and future exploitation needs to meet demand as well as the protection of the natural …

    bournemouth Repository record for Sustainable ball clay mineral extraction. (opens in a new tab)

  2. Clay mineral catalysed oxidation of phenols

    … iron(III) oxides within aluminosilicate clay minerals (Fulacolor™ and bentonite) and employ them as oxidation catalysts for phenolic compounds using hydrogen peroxide as oxidant in Fenton or photo-Fenton processes. Thermal degradation of phenol proceeded very slowly; photocatalytic …

    cent-lancashire Repository record for Clay mineral catalysed oxidation of phenols (opens in a new tab)

  3. Structural Aspects of Clay Mineral Alterations

    Made available in DSpace on 2014-12-09T20:34:22Z (GMT). No. of bitstreams: 1 6612322.pdf: 3152395 bytes, checksum: ec585eed0eaf407aa79cd2e74e444e39 (MD5) Previous issue date: 1966

    uiuc Repository record for Structural Aspects of Clay Mineral Alterations (opens in a new tab)

  4. Clay Mineral Facies of Certain Pennsylvanian Underclays

    Made available in DSpace on 2014-12-04T19:14:15Z (GMT). No. of bitstreams: 1 6202946.pdf: 4809088 bytes, checksum: 39397b2d13282b42750ad5eb6cbdf9bd (MD5) Previous issue date: 1962

    uiuc Repository record for Clay Mineral Facies of Certain Pennsylvanian Underclays (opens in a new tab)

  5. Clay Mineral Composition of Till in Northeastern Ohio

    Made available in DSpace on 2014-12-04T19:13:32Z (GMT). No. of bitstreams: 1 0016389.pdf: 1813814 bytes, checksum: a3cbe2a016064b6248cdecc261f2a33b (MD5) Previous issue date: 1956

    uiuc Repository record for Clay Mineral Composition of Till in Northeastern Ohio (opens in a new tab)

  6. Atomic Force Microscopy Study of Clay Mineral Dissolution

    … of 2:1 phyllosilicates (biotite and the clays montmorillonite, hectorite, and nontronite) with respect to acid dissolution using in situ atomic force microscopy (AFM). Three techniques are described which make it possible to fix these minerals and other small particles to a suitable …

    vt Repository record for Atomic Force Microscopy Study of Clay Mineral Dissolution (opens in a new tab)

  7. The kinetics and thermodynamics of clay mineral reactions

    … abundance, high surface area, and reactivity clay minerals are important participants in the diagenesis of clastic rocks. The kinetic and thermodynamic stability of clays is in general poorly understood. This dissertation research measured the rate of transformation of kaolinite to …

    vt Repository record for The kinetics and thermodynamics of clay mineral reactions (opens in a new tab)

  8. Spectroscopic and thermal analysis of clay mineral-organic composites.

    Composites of clay minerals have been prepared with organic monomers for subsequent study upon polymerisation. Particular combinations of clays and organic species have enabled three unique systems to be studied. The first involves the intercalation of the clay minerals Kaolin and Halloysite with …

    sheffield-hallam Repository record for Spectroscopic and thermal analysis of clay mineral-organic composites. (opens in a new tab)

  9. Caesium and strontium exchange at specific clay mineral sites

    The sorption of caesium and strontium onto clay minerals by exchange with other, charge compensating cations was studied by batch experiments. It was demonstrated that, for clay minerals with a net negative charge arising from isomorphous substitution within the crystal lattice, caesium and …

    cent-lancashire Repository record for Caesium and strontium exchange at specific clay mineral sites (opens in a new tab)

  10. Soils and soil clay mineral formation in the Virginia Blue Ridge and Piedmont provinces

    … prolonged chemical weathering, physical and mineralogical differences exist between soil types which are due largely to changes in the parent rock, and to a lesser extent changes in the topography. Soils developed from different source rocks can be distinguished on the basis of color, …

    vt Repository record for Soils and soil clay mineral formation in the Virginia Blue Ridge and Piedmont provinces (opens in a new tab)

  11. Clay Mineralogy and Clay Mineral Orientation of Shales and Claystones Overlying Coal Seams in Illinois

    Made available in DSpace on 2014-12-04T19:14:27Z (GMT). No. of bitstreams: 1 6402937.pdf: 5217647 bytes, checksum: 7f0daa848c953b57149f5c7bd412cf29 (MD5) Previous issue date: 1963

    uiuc Repository record for Clay Mineralogy and Clay Mineral Orientation of Shales and Claystones Overlying Coal Seams in Illinois (opens in a new tab)

  12. Factors Influencing the Post-Earthquake Shear Strength

    Although clays are generally considered stable materials under seismic conditions, recent failures initiated in clay layers after earthquakes have emphasized the need to study the cyclic and post-cyclic behavior of these materials. Moreover, if strength loss as a result of cyclic loading were to …

    vt Repository record for Factors Influencing the Post-Earthquake Shear Strength (opens in a new tab)

  13. Smectite/Illite Distribution and Diagenesis in the South Timbalier Area, Northern Gulf of Mexico

    Clays and clay mineral distribution studies are important for understanding the geological history of the Gulf of Mexico Basin, but few studies document any subsurface clay mineral distribution in the Gulf of Mexico. Shale samples from nine wells (30 samples) in the South Timbalier protraction were …

    uno Repository record for Smectite/Illite Distribution and Diagenesis in the South Timbalier Area, Northern Gulf of Mexico (opens in a new tab)

  14. Clay mineral formation and fluid-rock interaction in fractured crystalline rocks of the Rhine rift system : case studies from the Soultz-sous-Forêts granite (France) and the Schauenburg Fault (Germany)

    … system, based on the analytical investigation of clay mineral assemblages. It evaluates the argillite mineralizations along faults and fracture zones at key tectonic positions in relation to the upper Rhine graben rift structure and assesses the timing and episodic nature of clay mineral formation …

    heid-diss Repository record for Clay mineral formation and fluid-rock interaction in fractured crystalline rocks of the Rhine rift system : case studies from the Soultz-sous-Forêts granite (France) and the Schauenburg Fault (Germany) (opens in a new tab)

  15. Clay petrology of Mesozoic to recent sediments of central western North Island, New Zealand

    NOTE: Missing pages 177-78 and 181-82. Clay mineral, bulk mineral and chemical data for Mesozoic to Recent onshore sediments and Recent western shelf surficial sediments from central Western North Island are presented with the aim of determining the significance of areal and stratigraphic …

    waikato-masters Repository record for Clay petrology of Mesozoic to recent sediments of central western North Island, New Zealand (opens in a new tab)

  16. Cloud condensation nucleus activity comparison of dry- and wet-generated mineral dust aerosol : the significance of soluble material

    This study examines the interaction of clay mineral particles and water vapor to determine the conditions required for cloud droplet formation. Droplet formation conditions are investigated for two common clay minerals, illite and sodium-rich montmorillonite, and an industrially derived sample, …

    mit Repository record for Cloud condensation nucleus activity comparison of dry- and wet-generated mineral dust aerosol : the significance of soluble material (opens in a new tab)

  17. Clay Mineralogy and Organic Carbon Associations in Two Adjacent Watersheds, New Zealand

    … and associated OC to the adjacent margin. Clay mineral compositions from specimens of bedrock, volcanic soils and tephras, suspended river sediment, and recent marine sediments were studied. Identification of the clay minerals was made chiefly by X-ray (XRD), infrared (FTIR), and selective …

    ncsu Repository record for Clay Mineralogy and Organic Carbon Associations in Two Adjacent Watersheds, New Zealand (opens in a new tab)

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