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The formation of a diffusion reaction skarn by pure thermal metamorphism (With Plates I and II.)

Published online by Cambridge University Press:  14 March 2018

W. Q. Kennedy
W. Q. Kennedy*
Affiliation:
Dept. of Geology, University of Leeds
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Summary

Veins and nodules of cornstone, enclosed in sandstone, have reacted to the thermal influence of a Tertiary dolerite dyke by the development of a wollastonite reaction skarn. This can be shown to have formed as a result of pseudomorphous replacement of the quartz grains by wollastonite, due to outward diffusion of calcium. The process is believed to have taken place at the inversion temperature of quartz (573° C.).

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 32 , Issue 244 , March 1959 , pp. 26 - 31
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1959

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