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The chemistry and mineralogy of the Kinkell tholeiite, Stirlingshire

Published online by Cambridge University Press:  14 March 2018

F. Walker ,
H. C. G. Vincent  and
R. L. Mitchell
F. Walker
Affiliation:
Geology Department, University of Cape Town
H. C. G. Vincent
Affiliation:
Geology Department, University of Cape Town
R. L. Mitchell
Affiliation:
Macaulay Institute for Soil Research, Aberdeen
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Extract

The tholeiite of Kinkell (11 km. north of Glasgow G.P.O.) was described by the first author (Walker, 1930) and an analysis of its residual glass was given in a later publication (Walker, 1935). Since unaltered and separable residual glasses of basaltic rocks are rare, the Kinkell example has been referred to frequently in petrological literature. E. A. Vincent (1950) has made a detailed comparison between the Kinkell glass and a similar one from a tholeiite from Kap Daussy, east Greenland. In view of this and of the important part played by such glasses in discussions on basaltic differentiation, all the major constituents of the Kinkell rock have been isolated and analysed chemically and spectrographically. They are described below together with a fuller account of the field relations of the rock and some comments upon the significance of the new data.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 29 , Issue 217 , June 1952 , pp. 895 - 908
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1952

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