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Quarterly Journal of the Geological Society

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Quarterly Journal of the Geological Society; 1967; v. 123; issue.1-4; p. 120-123;
DOI: 10.1144/gsjgs.123.1.0120
© 1967 Journal of the Geological Society, London, Legacy

DISCUSSION

Professor J. SUTTON referred to the authors’ comments on the western limb of the Boyndie Syncline. In the speaker’s opinion repeated deformation had occurred here and some movements might well have occurred after the intrusion of the Newer Gabbros.

The geophysical maps threw light on some puzzling points of the geological structure of the region. It was noticeable that in at least two districts zones of intense deformation were now seen to be located along the boundaries between regions of contrasting physical properties.

In reply, the AUTHORS welcomed Professor Sutton’s support for their suggestion that the younger gabbros might have affected the deformation of the western limb of the Boyndie Syncline.

Dr W. BULLERWELL complimented Dr Wilson on his very clear presentation of the several stages followed by the authors in reaching their final interpretation, but said that he was not fully convinced on every point. His own views were based on data that had become available to him from association with the area in two different capacities. Gravity data had been acquired through participation as a member of a team, comprising Dr and Mrs J. Phemister together with the speaker and his wife, which had completed some gravity measurements ranging over all the mainland of Scotland during four summer vacations. Measurements in and around the area described in the paper had been made during 1953. On a lantern slide displaying the results, the main features revealing the association of higher gravity values with the outcrops of the younger gabbros

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This 250-word extract was created in the absence of an abstract.