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Element Distribution in Two Epidiorite Sills from the Central Grampian Highlands of Scotland

Published online by Cambridge University Press:  01 May 2009

T. K. Ball
T. K. Ball
Affiliation:
Building Research Station, Garston, Watford, Herts.
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Abstract

Magmatic differentiation is demonstrated in two epidiorite sills from the Grampian Highlands of Scotland, and the distribution of major and minor elements compared with data given for other intrusions, and for trace elements in the Whin Sill at High Cup Gill, Westmorland. The latter sill has Sr and Ba enriched towards the top. The element distribution for the epidiorite sills indicates that they are overturned. The data are conclusive for one sill but merely suggestive for the other, since such phenomena as multiple injection may also have affected the element distribution. The structural significance is briefly discussed.

Type
Articles
Information
Geological Magazine , Volume 102 , Issue 2 , April 1965 , pp. 93 - 105
Copyright
Copyright © Cambridge University Press 1965

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