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Progress in Earth and Planetary Science
Fig. 4 | Progress in Earth and Planetary Science

Fig. 4

From: Quantitative determination of the lowest density domain in major fault zones via medical X-ray computed tomography

Fig. 4

Outcrop photographs (a, f), observed brittle fault rocks in the outcrops, photographs taken perpendicular to the fault plane and parallel to the lineations (b, g), and photomicrographs of the fault rock and protolith samples (c, d, e, h, i: cross-polarized light). a The Oritodani outcrop of the Tsuruga Fault. b T-3. c T-3-2–T-3-3. d T-3-2. e T-3-3. f The Mushu outcrop of the Yamada Fault. g YDA. h YDA-4. i YDA-2–YDA-3. Stereoplots show the orientation of fault plane Y and slip direction in the zone formed during the most recent fault movements (a, f). Abbreviations: P: P-foliation; R1: Riedel shear

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