Large-scale basin-and-dome pattern resulting from the interference of major folds

Geological Society of America Bulletin



The geometry of individual major folds from the Glen Cannich area in the Northern Highlands of Scotland is described. The major folds are isoclinal, and their axial planes and fold limbs strike north or northeast and dip steeply; the fold axes plunge steeply toward the south or southeast. If pairs of individual folds are joined along a common axial-plane trace they form basins, domes, or other unusual culmination structures which resemble intensely flattened cylinders. As a group, the basins and domes form a continuous pattern, which covers an area of approximately 27 square miles, with possible extension into surrounding areas. This pattern has resulted from the interference of two sets of major folds, whereby the movement direction of the second fold set lay close to the axial plane of the first fold set. The geometrical conditions and/or intensity of the second folds that obtained during the second folding have rendered the first fold set unmappable, because the basins and domes are elongated entirely in the direction of the second fold set. The probable orientation of the first-fold axial plane is suggested by joining the culminations or depressions of the basm-and-dome pattern. Subsequent deformations have substantially altered the basin-and-dome pattern from its probable original form. 

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Publication type Article
Publication Subtype Journal Article
Title Large-scale basin-and-dome pattern resulting from the interference of major folds
Series title Geological Society of America Bulletin
DOI 10.1130/0016-7606(1966)77[393:LBPRFT]2.0.CO;2
Volume 77
Issue 4
Year Published 1966
Language English
Publisher Geological Society of America
Description 16 p.
First page 393
Last page 408
Country United Kingdom
State Scotland
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