Abstract
Geological observations, particularly of evidence for deformation, are made at scales ranging from 10-8 m to 104 m. Structural geologists use field relations to determine the relative timing of deformation events, and to determine their cumulative effect on structural patterns in the rock. This approach can be used in a qualitative sense when interpreting gradients in bulk accumulated (finite) strain. Working at different scales across strain gradients allows structural geologists to relate the final geometry of structures in naturally deformed rocks to the processes of formation. Using this approach, field studies have documented a remarkable self-similarity of structures and fabrics in ductilely deformed rocks across this 1012 range of scales. This suggests that the processes controlling development of many natural structures are not dependent on the scale of the deforming zone.
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Waters, C., Tikoff, B., Goodwin, L.B., Little, T.A. (2003). Ductile Instabilities and Structural Heterogeneity in the Lower Continental Crust. In: Goff, J.A., Holliger, K. (eds) Heterogeneity in the Crust and Upper Mantle. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-0103-9_1
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