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Lamprophyre dykes from Argyll

Published online by Cambridge University Press:  14 March 2018

M. J. Gallagher
M. J. Gallagher*
Affiliation:
Atomic Energy Division, Geological Survey of Great Britain, Young Street, London W. 8
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Summary

In the Carboniferous-Permian dyke-suite north of Loch Sunart, Argyll, a complete gradation is displayed from olivine-dolerite to camptonite. The dolerites are more numerous than the camptonites, and dykes of monchiquite are rare. A small number of minettes and allied lamprophyre types of Devonian age are also present. New analyses of biotite and diopside from a minette and of augite and hornblende from a camptonite are presented, with optical data, and the classification of the dykes briefly discussed.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 33 , Issue 260 , March 1963 , pp. 415 - 430
Copyright
Copyright © 1963, The Mineralogical Society

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