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An illite/montmorillonite interlayer mineral in porphyritic rock of ‘Alpe Di Siusi’ (Bz-Italy): The chemistry of I/M interlayer minerals

Published online by Cambridge University Press:  09 July 2018

A. Alietti
Affiliation:
Istituto di Mineralogia e Petrologia, Università di Modena
M. F. Brigatti
Affiliation:
Istituto di Mineralogia e Petrologia, Università di Modena
L. Poppi
Affiliation:
Istituto di Mineralogia e Petrografia, Università di Bologna, Italy

Abstract

An Illite/Montmorillonite mineral found in a porphyritic rock of Alpe di Siusi has an I/M ratio of 80:20. Introducing proper chemical parameters in a Q-Mode program of sixty-six Illites and Illite/Montmorillonite from the literature suggests the possibility of distinguishing Illites from Illite/Montmorillonite.

Résumé

Résumé

Un minéral Illite/Montmorillonite trouvé dans une roche porphyrique des Alpes de Siusi possède un rapport I/M de 80/20. En introduisant les paramètres chimiques convenables dans un programme en Q-Mode relatif à 66 Illites et minéraux Illite/Montmorillonite, d'après la littérature, on suggère la possibilité de distinguer l'Illite des minéraux Illite/Montmorillonite.

Kurzreferat

Kurzreferat

Ein Illit/Montmorillonit-Mineral aus einem porphyritischen Gestein der Seiser Alpe hat ein I/M-Verhältnis 80:20. Die Einfuhrung von geeigneten chemischen Parametern von 66 in der Literatur beschriebenen Illiten und I/M-Mineralien, verauläisst die Moglichkeit Illiten aus I/M-Mineralien zu unterscheiden.

Resumen

Resumen

Un mineral de ilita/montmorillonita encontrado en una roca porfidica de Alpe di Siusi tiene una relación I/M de 80:20. Introduciendo los debidos paràmetros químicos en un programa de Modo-Q de sesenta y seis ilitas e I/M de la literatura parece existir la posibilidad de distinguir ilitas de I/M.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1979

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