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Imaging of water distribution in thermally fractured granites by SPRITE
Makoto Yamaguchi1, Kazuo Kobori, Kazunori Suzuki
1Institute of Research and Innovation, Chiba 277-0861, Japan. m-ymgc@iri.or.jp
Magnetic Resonance Imaging
|April 19, 2005
Abstract:
Water distribution in thermally fractured granite samples was visualized by using SPRITE sequences. Networks of intergranular fractures were observed in the coarse-grained Inada granite after heating at 873 K or above. On the other hand, bright spots were observed in the fine-grained Okazaki granite, which may be due to pore water in feldspar grains. D2O diffusion into samples saturated with H2O was also observed by 2D-projected SPRITE imaging.

