Abstract

Interpretation of the structural geometry and history of complexly deformed areas is generally based on the assumption that folds with a common style developed during the same phase of deformation. In this paper, an area is described where it has been possible to divide folds into two generations on the basis of overprinting relationships. The styles and patterns of orientation of the two generations are compared and found to overlap considerably. It is concluded, therefore, that style and orientation are not very satisfactory criteria for identifying folds of common origin, and their use may lead to misinterpretation of both geometry and history.

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