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Strain estimation from flattened buckle folds

Lisle, Richard John 1992. Strain estimation from flattened buckle folds. Journal of Structural Geology 14 (3) , pp. 369-371. 10.1016/0191-8141(92)90093-C

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A simple and direct method of calculating the post-buckle flattening strain of folds is proposed. Assuming that the folds have Class 1B (parallel) shape before flattening, the stretch of the layer at any position in the flattened fold is inversely proportional to the orthogonal thickness of the layer. A polar graph showing inverse thickness as a function of layer orientation therefore yields directly the shape and orientation of the flattening strain ellipse. The method can be applied to cases where flattening strains have been imposed obliquely to the fold's axial surface.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Earth and Ocean Sciences
Subjects: Q Science > QE Geology
Publisher: Elsevier
ISSN: 0191-8141
Last Modified: 04 Jun 2017 02:10

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