Browsing Odum Library by Author "Vieillard, Philippe"

Browsing Odum Library by Author "Vieillard, Philippe"

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  • Joussein, Emmanuel; Petit, Sabine; Fialips, Claire-Isabelle; Vieillard, Philippe; Righi, Dominique (The Clay Minerals SocietyThe Clay Minerals Society, 2006)
    Two reference halloysites from New Zealand (Te Puke and Opotiki) were studied by X-ray diffraction under (1) various levels of relative humidity (RH) from 95 to 0% (dehydration), and (2) various temperatures increasing ...
  • 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 ...
  • Decarreau, Alain; Petit, Sabine; Martin, Francois; Farges, Francois; Vieillard, Philippe; Joussein, Emmanuel (The Clay Minerals SocietyThe Clay Minerals Society, 2008)
    High-charge nontronites were synthesized at 75, 90, 100, 110, 125, and 150ºC from a silicoferrous starting gel with Si2FeNa2O6.nH2O composition. This gel was oxidized in contact with air and then hydrothermally treated, ...
  • Inoue, Atsuyuki; Meunier, Alain; Patrier-mas, Patricia; Rigault, Cecile; Beaufort, Daniel; Vieillard, Philippe (The Clay Minerals Society, 2009)
    Low-temperature chlorites formed in diagenetic to low-grade metamorphic environments generally have greater Si contents and larger numbers of octahedral vacancies, and smaller Fe+Mg contents than higher-grademe tamorphic ...

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