High magnetic susceptibility of fault gouge within Taiwan Chelungpu fault: Nondestructive continuous measurements of physical and chemical properties in fault rocks recovered from Hole B, TCDP

Tetsuro Hirono; Weiren Lin; En Chao Yeh; Wonn Soh; Yoshitaka Hashimoto; Hiroki Sone; Osamu Matsubayashi; Kan Aoike; Hisao Ito; Masataka Kinoshita; Masafumi Murayama; Sheng Rong Song; Kuo Fong Ma; Jih Hao Hung; Chien Ying Wang; Yi Ben Tsai

doi:10.1029/2006GL026133

High magnetic susceptibility of fault gouge within Taiwan Chelungpu fault: Nondestructive continuous measurements of physical and chemical properties in fault rocks recovered from Hole B, TCDP

Tetsuro Hirono^*, Weiren Lin, En Chao Yeh, Wonn Soh, Yoshitaka Hashimoto, Hiroki Sone, Osamu Matsubayashi, Kan Aoike, Hisao Ito, Masataka Kinoshita, Masafumi Murayama, Sheng Rong Song, Kuo Fong Ma, Jih Hao Hung, Chien Ying Wang, Yi Ben Tsai

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

82 Citations (Scopus)

Abstract

The Taiwan Chelungpu-fault Drilling Project (TCDP) was undertaken in 2002 to investigate the faulting mechanism of the 1999 Taiwan Chi-Chi earthquake. Hole B penetrated the Chelungpu fault, and recovered core samples from between 948.42 m and 1352.60 m depth. Three zones, marked 1136mFZ, 1194mFZ and 1243mFZ, were recognized in the core samples as active fault-zones within the Chelungpu fault. Multi-Sensor Core Logger measurements revealed lower densities and higher magnetic susceptibilities within the black gouge zones in all three fault zones. Even though the fault zone that slipped during the 1999 earthquake has not been identified, higher magnetic susceptibilities indicate that frictional heating has taken place in the Chelungpu fault.

Original language	English
Article number	L15303
Journal	Geophysical Research Letters
Volume	33
Issue number	15
DOIs	https://doi.org/10.1029/2006GL026133
Publication status	Published - 2006 Aug
Externally published	Yes

ASJC Scopus subject areas

Geophysics
General Earth and Planetary Sciences

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10.1029/2006GL026133

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Hirono, T., Lin, W., Yeh, E. C., Soh, W., Hashimoto, Y., Sone, H., Matsubayashi, O., Aoike, K., Ito, H., Kinoshita, M., Murayama, M., Song, S. R., Ma, K. F., Hung, J. H., Wang, C. Y., & Tsai, Y. B. (2006). High magnetic susceptibility of fault gouge within Taiwan Chelungpu fault: Nondestructive continuous measurements of physical and chemical properties in fault rocks recovered from Hole B, TCDP. Geophysical Research Letters, 33(15), Article L15303. https://doi.org/10.1029/2006GL026133

High magnetic susceptibility of fault gouge within Taiwan Chelungpu fault: Nondestructive continuous measurements of physical and chemical properties in fault rocks recovered from Hole B, TCDP. / Hirono, Tetsuro; Lin, Weiren; Yeh, En Chao et al.
In: Geophysical Research Letters, Vol. 33, No. 15, L15303, 08.2006.

Research output: Contribution to journal › Article › peer-review

Hirono, T, Lin, W, Yeh, EC, Soh, W, Hashimoto, Y, Sone, H, Matsubayashi, O, Aoike, K, Ito, H, Kinoshita, M, Murayama, M, Song, SR, Ma, KF, Hung, JH, Wang, CY & Tsai, YB 2006, 'High magnetic susceptibility of fault gouge within Taiwan Chelungpu fault: Nondestructive continuous measurements of physical and chemical properties in fault rocks recovered from Hole B, TCDP', Geophysical Research Letters, vol. 33, no. 15, L15303. https://doi.org/10.1029/2006GL026133

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title = "High magnetic susceptibility of fault gouge within Taiwan Chelungpu fault: Nondestructive continuous measurements of physical and chemical properties in fault rocks recovered from Hole B, TCDP",

abstract = "The Taiwan Chelungpu-fault Drilling Project (TCDP) was undertaken in 2002 to investigate the faulting mechanism of the 1999 Taiwan Chi-Chi earthquake. Hole B penetrated the Chelungpu fault, and recovered core samples from between 948.42 m and 1352.60 m depth. Three zones, marked 1136mFZ, 1194mFZ and 1243mFZ, were recognized in the core samples as active fault-zones within the Chelungpu fault. Multi-Sensor Core Logger measurements revealed lower densities and higher magnetic susceptibilities within the black gouge zones in all three fault zones. Even though the fault zone that slipped during the 1999 earthquake has not been identified, higher magnetic susceptibilities indicate that frictional heating has taken place in the Chelungpu fault.",

author = "Tetsuro Hirono and Weiren Lin and Yeh, {En Chao} and Wonn Soh and Yoshitaka Hashimoto and Hiroki Sone and Osamu Matsubayashi and Kan Aoike and Hisao Ito and Masataka Kinoshita and Masafumi Murayama and Song, {Sheng Rong} and Ma, {Kuo Fong} and Hung, {Jih Hao} and Wang, {Chien Ying} and Tsai, {Yi Ben}",

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AU - Yeh, En Chao

AU - Soh, Wonn

AU - Hashimoto, Yoshitaka

AU - Sone, Hiroki

AU - Matsubayashi, Osamu

AU - Aoike, Kan

AU - Ito, Hisao

AU - Kinoshita, Masataka

AU - Murayama, Masafumi

AU - Song, Sheng Rong

AU - Ma, Kuo Fong

AU - Hung, Jih Hao

AU - Wang, Chien Ying

AU - Tsai, Yi Ben

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AB - The Taiwan Chelungpu-fault Drilling Project (TCDP) was undertaken in 2002 to investigate the faulting mechanism of the 1999 Taiwan Chi-Chi earthquake. Hole B penetrated the Chelungpu fault, and recovered core samples from between 948.42 m and 1352.60 m depth. Three zones, marked 1136mFZ, 1194mFZ and 1243mFZ, were recognized in the core samples as active fault-zones within the Chelungpu fault. Multi-Sensor Core Logger measurements revealed lower densities and higher magnetic susceptibilities within the black gouge zones in all three fault zones. Even though the fault zone that slipped during the 1999 earthquake has not been identified, higher magnetic susceptibilities indicate that frictional heating has taken place in the Chelungpu fault.

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High magnetic susceptibility of fault gouge within Taiwan Chelungpu fault: Nondestructive continuous measurements of physical and chemical properties in fault rocks recovered from Hole B, TCDP

Abstract

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