Citation: | WANG Shu-bao, ZHONG Jian-hua, CHEN Zhi-peng. CHARACTERISTICS OF CENOZOIC FAULT ACTIVITIES IN THE HUIMIN SUBBASIN[J]. Journal of Geomechanics, 2007, 13(1): 86-96. |
The parameters of Quaternary fault activities such as the growth index, fault throw and fault activity rate are calculated to analyze the characteristics of fault activities in the Huimin subbasin and four orders of subbasin-controlling faults are distinguished.The analysis indicates the following:the fault activity rate is the most representative parameter; the fault activities in the Huimin subbasin have the long-continued, differential and episodic characteristics; and the activities of faults of lower orders have the short-term and uncertain characteristics.The subbasin-controlling faults of four orders played different roles in the formation of the subbasin and local structures within the subbasin.
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Tectonic setting of the Huimin subbasin
Geological sketch map of the Huimin subbasin
Composite fault assemblage of traverse 458.9 in the Huimin subbasin
Histogram of fault throws of the Yangxin fault
Histogram of fault throws of the Zizhen fault
Growth index of the Linshang fault
Histogram of fault throws of the Xiakou fault
Histogram of fault throws of the Linnan fault
Histogram of fault throws of the Quti fault
Fault throw map of the lower part of the Third Member of the Shahejie Formation in the Huimin subbasin
Fault throw map of the middle part of the Third Member of the Shahejie Formation in the Huimin subbasin
Fault throw map of the upper part of the Third Member of the Shahejie Formation in the Huimin subbasin
Fault throw map of the upper part of the SecondMember to the First Member of the Shahejie Formation in the Huimin subbasin
Fault throw map of the lower part of the Dongying Formation of the Huimin subbasin
Fault throw map of the upper Dongying Formation of the Huimin subbasin
Histogram showing the fault throw between Tg1 and T1 of the Yangxin fault
Histogram showing the fault throw between Tg1 and T1 of the Linshang fault
Histogram showing the fault throw between Tg1 and T1 of the Xiakou, Linshang, Xinyang faults
Histogram showing the activity rates in the Xiakou fault zone
Histogram showing the activity rates in Quti, Quti1, Quti2 faults
Histogram showing the activity rates in the south Xia70 fault