Fig. 1. Geological map of the Taean-Anmyeondo area (adapted from de Jong et al., 2014).
Fig. 2. Outcrop photographs (a, b) and micrographs (c, d) of metasandstone and schist of the Taean Formation. Abbreviation - Qtz: Quartz, Bt: Biotite, Ms: Muscovite.
Fig. 3. Structural map of the study area showing the location of following figures (satellite map from http://map.naver.com).
Fig. 4. Equal area stereograms showing various structural components in each domain. Left stereogram: poles (contoured) to regional foliation (circle), π-axis (square), and hinges of the minor fold (triangle). Right stereogram: crenulation lineations (circle) and cleavages (great circle).
Fig. 5. Profile constructed by down-plunge projection in each domain. The projection axes for domain 1-4 are 36.2°/120.6°, 53.2°/035.8°, 31.8°/130.7° and 53°/342.5°, respectively, that are selected from π-pole to fold (refer Figure 4). Bold black line: fault trace, Gray line: bed trace.
Fig. 7. Outcrop photographs of D2 structures. Thrust fault (a) and related minor folds (b, c) showing top-up-to-the NW sense of shear. Low-angle contractional fault zone (d) and its cataclastic foliation (e) showing top-down-to-the SE sense of shear.
Fig. 8. Outcrop photographs of D3 structures. NW-trending low-angle fault (a) and related minor folds (b, c) showing top-tothe NW sense of shear. (d) NE-trending high-angle fault showing anticlockwise block movement. (e) Out-of-hinge fault.
Fig. 9. Equal area stereogram showing poles (contoured) to crenulation cleavage in all domains and π-axis (square) indicative of the overprint by a later folding event (D3).
Fig. 6. (a) Outcrop photograph showing shallowly-plunging crenulation lineation. (b) Micrograph of crenulation cleavage. Abbreviation - Bt: Biotite, Ms: Muscovite.
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