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Reply to ‘The Torridonian Stac Fada Member: a discussion’

Published online by Cambridge University Press:  03 November 2011

I. S. Sanders  and
J. D. Johnston
I. S. Sanders
Affiliation:
I. S. Sanders and J. D. Johnston, Department of Geology, Trinity College, Dublin 2, Ireland
J. D. Johnston
Affiliation:
I. S. Sanders and J. D. Johnston, Department of Geology, Trinity College, Dublin 2, Ireland
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Extract

We welcome the views of A. D. Stewart (1990) on our interpretation of the unusual lithology and contact relations of the Stac Fada Member at Stoer. Stewart contends that our lower breccia body is a down-faulted outlier of the main breccia body and is therefore not a feeder. He thus rejects our notion that the Member is a peperitic extrusion: he also rejects the previously published view that the Member is a volcanic mudflow. Instead he suggests that the Stac Fada Member is one of several muddy volcanic horizons in the Stoer Group, all of which underwent post-depositional disturbance.

Information

Type
Research Article
Information
Earth and Environmental Science Transactions of The Royal Society of Edinburgh , Volume 81 , Issue 3 , 1990 , pp. 249 - 250
Copyright
Copyright © Royal Society of Edinburgh 1990

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References

Stewart, A. D. 1990. The Torridonian Stac Fada Member: a discussion. TRANS R SOC EDINBURGH: EARTH SCI 81, 247.Google Scholar
Talbot, C. J. & von Brunn, V. 1989. Melanges, intrusive and extrusive sediments and hydraulic arcs. GEOLOGY 17, 446–448.Google Scholar