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Fig. 4
Geology of the imbricate thrust zone (Reproduced from Anma et al.
2002
). (
a
) A route
map along the track of the Dive 6K#522 in the 3rd ridge (see
inset
of Fig.
1c
for the map area).
Locations of outcrops in (
b
)-(
h
) are indicated. (
b
) A fault with north downthrown at the northern
margin of the 3rd ridge (FOV ~ 8 m). (
c
) Strata dipping gently to the north (FOV ~ 5 m). (
d
)
Folded strata (FOV ~ 2 m). (
e
) Stretched vein (FOV ~ 0.5 m). (
f
) Shear fabric with north upward
sense-of-shear. (
g
) Turbidite sequence dipping moderately to the north. (
h
) Development of
foliation. (
i
) Anticline and transposed fault. Strata dipping moderately to north at the base of the
outcrop steepened upward. An anticlinal structure developed at the middle was transposed by a
fault
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