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Title: The structure of the Skiddaw slates in the north-west Lake District
Author: Glennie, Kenneth W.
Awarding Body: University of Edinburgh
Current Institution: University of Edinburgh
Date of Award: 1955
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In an area of complex folding, few fossils and no marker- horizons, classical methods of analysing structures have limited use. The area studied was divided into 64 sub -areas, and the attitude of bedding plotted on 0-diagrams to give a statistical trend and plunge for the fold - axes in each sub -area. The trend and plunge of the axes of 117 small folds were measured, and the orientations of lineations formed by the intersection of bedding and cleavage were noted at over 200 localities. All these structures suggest that there is a weakly developed axis of large scale folding trending N240 °E and plunging 15 °. This axis is statistically accurate only for the area as a whole; and it is thought to be locally affected by the emplacement of the Ennerdale Granophyre. There is a low degree of mutual parallelism of the axes of folding which may indicate repeated deformation; but it is thought more likely to be caused by limited deformation of incompetent rocks at shallow depth. A tectonic profile constructed for the south- western part of the area gives an indication of the large scale structure of the slates.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available