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A calcian analcime-bytownite intergrowth in basalt, from Skye, Scotland, and calcian analcime relationships

Published online by Cambridge University Press:  05 July 2018

A. Livingstone
A. Livingstone*
Affiliation:
Department of Geology, Royal Museum of Scotland, Chambers Street, Edinburgh EH1 1JF
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Abstract

Within a reyerite-tobermorite (11 Å) amygdale assemblage in olivine basalt blocks, near Drynock, Skye, is a porcellaneous material which either lines or completely fills the amygdales (Livingstone, 1988). Electron-probe microanalysis combined with back-scattered electron imaging identifies individual components of the porcellaneous material as calcian analcime and bytownite, (An74-79). Back-scattered electron imaging reveals a second generation analcime pervading the calcian analcime-bytownite intergrowth and forming patches and discrete veinlets (Fig. 1A).

Keywords

analcimebytownitebasaltSkyeScotland
Type
Short Communications
Information
Mineralogical Magazine , Volume 53 , Issue 371 , June 1989 , pp. 382 - 385
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1989

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