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Earth, Planets and Space
Figure 3 | Earth, Planets and Space

Figure 3

From: Geological evidence for shallow ductile-brittle transition zones along subduction interfaces: example from the Shimanto Belt, SW Japan

Figure 3

Pressure solution cleavage (PS cleavage) under the optical microscope (A). Scanning electron microscope (SEM) image of PS cleavage (pale light gray) (B). Dark gray grains are quartz grains (Qz). The location is shown in Figure 3A. Clay layer under the optical microscope (thin layer above the quartz vein (Qz) (C). Magnified SEM image of the clay layer composed of very fine (approximately 10 nm) and well-sorted clay minerals (D). An SEM image of multiple directions of striations on the clay layer. White arrows indicate the two directions of striations (E).

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