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Progress in Earth and Planetary Science
Fig. 3 | Progress in Earth and Planetary Science

Fig. 3

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

Fig. 3

Photographs of the outcrop (a, e), and polished slab (b, f) of the observed brittle fault rocks taken perpendicular to the fault plane and parallel to the lineations, and photomicrographs (c, d, g, h; cross-polarized light) of the fault rock samples. a The Hiji outcrop of the MTL. b HJ8. c HJ8-1. d HJ8-3. e The Awano–Tabiki outcrop of the MTL. f AT. g AT-1–AT-2–AT-4. h AT-2–AT-4. The stereoplots show the orientation of fault plane Y and the direction of slip in the zone formed during the most recent fault movements (a, e). Abbreviations in (g) and (h): P: P foliation; R1: Riedel shear; Pn, Pr: P foliations showing normal and reverse senses of shear, respectively; R1n, R1r: Riedel shear showing normal and reverse senses of shear, respectively

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