Browsing by Subject "Crystal Chemistry"

Browsing by Subject "Crystal Chemistry"

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  • Laverret, Emmanuel; Mas, Patricia Patrier; Beaufort, Daniel; Kister, Philippe; Quirt, David; Bruneton, Patrice; Clauer, Norbert (The Clay Minerals SocietyThe Clay Minerals Society, 2006)
    Unconformity-related uranium deposits, which represent a significant high-grade uranium resource, are systematically surrounded by a host-rock alteration halo enriched in clay minerals. Illite is often the major clay mineral ...
  • Bobos, Iuliu; Vieillard, Philippe; Charoy, Bernard; Noronha, Fernando (The Clay Minerals SocietyThe Clay Minerals Society, 2007)
    The alteration of spodumene to cookeite has been identified in a Li-bearing aplite-pegmatite from northern Portugal. Optical microscopy and scanning and transmission electron microscopy (SEM/ TEM) were used to characterize ...
  • Garci´a-romero, E.; Sua´rez, M.; Santare´n, J.; Alvarez, A. (The Clay Minerals SocietyThe Clay Minerals Society, 2007)
    The Allou Kagne (Senegal) deposit consists of different proportions of palygorskite and sepiolite, and these are associated with small quantities of quartz and X-ray amorphous silica as impurities. No pure palygorskite or ...
  • Baumgartner, Alexander; Butterhof, Christian; Koch, Sebastian; Mariychuk, Ruslan; Breu, Josef (The Clay Minerals Society, 2009)
    Large transition-metal contents add desirable physical properties, such as redox reactivity, magnetism, and electric or ionic conductivity to micas and make them interesting for a variety of materialsscience applications. ...
  • Bujnowski, Thomas J.; Guggenheim, Stephen; Brigatti, Maria Franca (The Clay Minerals Society, 2009)
    Factors controlling the crystal structure of phlogopite have been widely investigated; but the role of electrostatic interactions, for example, has received much less attention than other factors. The purpose of the present ...
  • Jodin-caumon, Marie-camille; Mosser-ruck, Regine; Randi, Aurelien; Pierron, Olivier; Cathelineau, Michel; Michau, Nicolas (The Clay Minerals SocietyThe Clay Minerals Society, 2012)
    The design of the repository for high-level nuclear waste (HLW) in France consists of a multiple-barrier system including steel canisters in a clay host rock. The system will undergo temperature variations in time and ...