10.Acknowledgements: and References Acknowledgements: I would like to thank Dr.Mohamed Rashed for his valuable suggestion. I also would like to thank my geoscience class students, Ms.Ayako Tohne, Mr.Hiromitsu Kobayashi, Mr.Keishi Adachi and Mr.Satoshi Nakase, and my daughter Fuyuka Okamoto for providing me interesting results and discussions. The SEM images of powders were taken with kind help of Dr.Takashi Esaka. References: Hubbert, M. K.: Mechanical basis for certain familiar geologic structures, Geological Society of America Bulletin, v. 62, p. 355-372.1951 Y.Okamoto: Fault model experiment using flour, Osaka and Kagaku Kyoiku 14, 13-16, 2000 (in Japanese) Note: Our experiment will be demonstrate at the core-time of poster presentation. Details of our simulations will be soon available in our Web site http://www.cc.osaka-kyoiku.ac.jp/~yossi/