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

Figure 3

From: Changes in illite crystallinity within an ancient tectonic boundary thrust caused by thermal, mechanical, and hydrothermal effects: an example from the Nobeoka Thrust, southwest Japan

Figure 3

Relative XRD peak intensity ratio of constituent minerals in the borehole core samples. (a) Integrated columnar section showing core lithology. (b) Ultrasonic borehole image by ultrasonic scanner probe. (c) Mineral compositions based on X-ray diffraction peak intensity. The number at the left side of bar graph indicates representative sampling depth.

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