Tectonic structures
Geology, basics and application to civil engineering
Quizzed article REF: C204 V3
Tectonic structures
Geology, basics and application to civil engineering

Author : Emmanuel EGAL

Publication date: August 10, 2021, Review date: August 30, 2021 | Lire en français

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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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