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Xonotlite and rodingites from Wairere, New Zealand

Published online by Cambridge University Press:  05 July 2018

J. P. O'Brien  and
K. A. Rodgers
J. P. O'Brien
Affiliation:
Department of Geology, University of Auckland, New Zealand
K. A. Rodgers
Affiliation:
Department of Geology, University of Auckland, New Zealand
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Summary

Xenoliths of eucritic gabbros in an alpine-serpentinite body at Wairere have been altered to rodingites and xonotlite about their margins by hydrothermal metasomatism at temperatures between 430–470°C A chemical analysis and the optical properties of the xonotlite are reported, the textures of the rocks are described, and the metasomatic process is discussed.

Type
Research Article
Information
Mineralogical Magazine , Volume 39 , Issue 302 , June 1973 , pp. 233 - 240
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1973

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