Economic and Environmental Geology

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Fig. 4.

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Fig. 4. Fault photographs of site-4~-7; ⓐ outcrop of Site-4 shows a fault along the boundary between volcanic rock and intermediate dike. ⓑ Close-view of an intermediate dike, Red arrow: fault plane and fault lineation, ⓒ Basic dike(arrows) ~ 2 m thick trending N28°E, ⓓ Fault breccia and feldspar veins. Feldspar veins shows left-lateral fault sense, ⓔ Fault breccia in the center and gauge at the edges. Id; intermediated dike, Vol; volcanic rock, fl; feldspar, gg; fault gauge.
Econ. Environ. Geol. 2021;54:389-97
© 2021 Econ. Environ. Geol.