| Characteristics of fault rocks and paleo-earthquake source along the Koktokay-Ertai fault zone,Xinjiang,China |
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| 作者姓名： | 史兰斌 林传勇 陈孝德 张小鸥 柏美祥 |
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| 作者单位： | LAN B IN SHI 1)C HUAN Y ONG LIN 1) X IAO DE CHEN 1) X IAO OU ZHANG 1) M EI X IANG BAI 2) (1) Institute of Geology，State seismological Bureau，Beijing 100029，China (2) Seismological Bureau of Xinjiang U |
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| 摘 要： | ＣｈａｒａｃｔｅｒｉｓｔｉｃｓｏｆｆａｕｌｔｒｏｃｋｓａｎｄｐａｌｅｏｅａｒｔｈｑｕａｋｅｓｏｕｒｃｅａｌｏｎｇｔｈｅＫｏｋｔｏｋａｙＥｒｔａｉｆａｕｌｔｚｏｎｅ，Ｘｉｎｊｉａｎｇ，ＣｈｉｎａＬＡＮＢＩＮＳＨＩ１）（史兰斌）ＣＨＵＡＮＹＯＮ...
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| 收稿时间： | 23 January 1997 |
| 修稿时间： | 23 September 1997 |
Characteristics of fault rocks and paleo earthquake source along the Koktokay Ertai fault zone, Xinjiang, China |
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| LAN,B IN SHI,C HUAN,Y ONG LIN,X IAO,DE CHEN,X IAO,OU ZHANG,M EI,X IANG BAI.Characteristics of fault rocks and paleo-earthquake source along the Koktokay-Ertai fault zone,Xinjiang,China[J].Acta Seismologica Sinica(English Edition),1997,10(3):365-373. |
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| Authors: | LAN B IN SHI C HUAN Y ONG LIN X IAO DE CHEN X IAO OU ZHANG M EI X IANG BAI |
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| Institution: | (1) Institute of Geology, State seismological Bureau, 100029 Beijing, China;(2) Seismological Bureau of Xinjiang Uygur Autonomous Region ür ümqi, 830011, China |
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| Abstract: | The Koktokay-Ertai fault zone was developed on the basis of a former ductile shear zone (mylonite zone). The mylonites were
formed in the brittle-ductile transition zone at 10–15 km depth within the crust. The rocks had experienced multi period deformation
processes, including ductile deformation, ductile instability and brittle seismic faulting which had gave rise to the formation
of Koktokay-Ertai fault zone and the development of pseudotachylytes. The pseudotachylytes are distributed within an area
about 60 km in length and 300 m in width, which may represent the scale of the paleo-earthquake source. The physical conditions
of the paleo-earthquake source was similar to those for the formation of the mylonites along this zone.
This project is supported by the Chinese Joint Seismological Science Foundation. |
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| Keywords: | fault rocks ductile shearing paleo earthquake source ductile instability |
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