St atistical (Q-mode) analysis of the chemical compositions of 122 dioctahedral smectites obtained from the literature have enabled the main solid solution ranges (montmorillonite, beidellite and nontronite) to be distinguished on a triangular diagram. In the montmorillonite area, the Wyoming, Tatatilla, Otay, Chambers and Non-Ideal montmorillonite compositional ranges are identified. Certain crystallochemical features of the smectites may be correlated with different genetic environments.
A mathematical model to distinguisch the members of the dioctahedral smectite series / Brigatti, Maria Franca; Poppi, Luciano. - In: CLAY MINERALS. - ISSN 0009-8558. - STAMPA. - 16:(1981), pp. 81-89.
A mathematical model to distinguisch the members of the dioctahedral smectite series
BRIGATTI, Maria Franca;POPPI, Luciano
1981
Abstract
St atistical (Q-mode) analysis of the chemical compositions of 122 dioctahedral smectites obtained from the literature have enabled the main solid solution ranges (montmorillonite, beidellite and nontronite) to be distinguished on a triangular diagram. In the montmorillonite area, the Wyoming, Tatatilla, Otay, Chambers and Non-Ideal montmorillonite compositional ranges are identified. Certain crystallochemical features of the smectites may be correlated with different genetic environments.
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