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Earth, Planets and Space
Figure 2 | Earth, Planets and Space

Figure 2

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

Figure 2

Textures of tectonic mélange showing sandstone blocks surrounded by shale matrix (A). Extension veins, which developed only in sandstone blocks, were observed. Scaly cleavages are well developed in the shale matrix. Shear veins cutting the shale matrix (B). Scanned image of a thin section of a shear vein under cross-polarized light (C). The scale is the same as Figure 2D. Sketch of Figure 2C (D). White, quartz; gray, clay layers; and black, calcite. Slickenlines and slickensteps on the shear vein surface (E).

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