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3. Tectonic structures
3.1 Schistosity and foliation
Schistosity and foliation correspond to repetitive planes of anisotropy formed under the effect of tectonic stress at depth (more or less ductile conditions). Both types of structure develop in the main shortening plane of the deformation ellipsoid. The differences between schistosity and foliation are relatively subtle, but can be described as follows (see figure 12...
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Tectonic structures
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