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Ammonium illite from anchimetamorphic shales associated with anthracite in the Zemplinicum of the western Carpathians

  • V. Šucha (a1), I. Kraus (a1) and J. Madejová (a1) (a2)

Abstract

Ammonium-rich illite was identified in shales from the meta-anthracite coalfields of Zemplinicum (the Western Carpathians) together with K-illite and Na-illite using X-ray diffraction (XRD), infrared absorption and chemical analyses. The NH4-abundance in illite was quantified by the position of the 005 XRD reflection and by chemical analysis. Ammonium-bearing illite was probably formed in the temperature interval 200-270°C by illitization of a kaolinite precursor in the presence of ammonium.

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Ammonium illite from anchimetamorphic shales associated with anthracite in the Zemplinicum of the western Carpathians

  • V. Šucha (a1), I. Kraus (a1) and J. Madejová (a1) (a2)

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