| 走滑活动断裂的障碍体与地震破裂的关系 |
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| 引用本文： | 袁道阳,刘小凤,刘百篪.走滑活动断裂的障碍体与地震破裂的关系[J].湖南地质,1998(4). |
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| 作者姓名： | 袁道阳 刘小凤 刘百篪 |
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| 作者单位： | 中国地震局兰州地震研究所 |
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| 摘 要： | 系统收集了中国大陆走滑活动断裂带上障碍体（阶区）与地震破裂的资料，探讨了障碍体止裂尺度与地震破裂的关系及其分段意义。统计分析表明，走滑活动断裂带上地震的震级与障碍体的阶距、阶距与次级段长度具有较好的线性关系。障碍体的阶距可以作为判定地震破裂止裂尺度的极重要标志，是进行破裂分段的前提和基础。
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| 关 键 词： | 活动断裂 障碍体 走滑断层 地震破裂 止裂尺度 |
DISCOVERY OF THE TRACE FOSSILS AND ITS SIGNIFICA TION IN THE BITIAO FORMATION OF UPPER CAMBRIAN SERIES,SHANJIANG TOWN,FENGHUANG COUNTRY |
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| Wang Shangyan Yang JialuChina University of Geosciences.DISCOVERY OF THE TRACE FOSSILS AND ITS SIGNIFICA TION IN THE BITIAO FORMATION OF UPPER CAMBRIAN SERIES,SHANJIANG TOWN,FENGHUANG COUNTRY[J].Hunan Geology,1998(4). |
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| Authors: | Wang Shangyan Yang JialuChina University of Geosciences |
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| Abstract: | Plenty of trace fossils have been discovered in the middle-upper of Bitiao Formation of Upper Cambrian Series,Shanjiang town,Fenghuang country,Hunan.They are Planolites,Chondrites,Protopaleodictyon and Circulichnus.They exist in the middle and lower parts of highstand systems tract.Morever,from lower to upper,they have the tendency of lower density,smaller mono-trace width and more complication.The trace fossils formed slope-base in the plateform fringing,which sedimentery rate is smaller than other. |
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| Keywords: | Trace fossil Bitao Formation of Upper Cambrian Series Highstand systems tract Fenghuang of Hunan |
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