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| 甘肃省文县观音坝古地震事件的研究 | |
| 引用本文： | 张宏斌,王兆夺. 甘肃省文县观音坝古地震事件的研究[J]. 甘肃地质, 2010, 0(3): 76-80 |
| 作者姓名： | 张宏斌 王兆夺 |
| 作者单位： | 甘肃省地质调查院 |
| 基金项目： | 甘肃省武都幅1∶25万区域地质调查及地壳稳定性评价 |
| 摘 要： | 通过野外调查在甘肃陇南的文县阳山金矿东北磨坝—观音坝一带首次发现一大套震碎砾岩,这套砾岩由于覆盖在白垩纪红色砾岩之下,故而一直把其当作白垩纪砾岩处理。通过作者参加该项目的研究后认为,是一套震碎角砾岩,这种震碎角砾岩,在国内外尚未见公开报道。它是地质历史上一次浅源强烈地震的岩石记录,反映了该地区一次重要的地震构造运动,同时本文对该地区的震积岩进行了沉积序列及岩石类型划分,这种观点对促进陕甘川地震历史的认知有重要的补充作用。 |
| 关 键 词： | 震碎砾岩 古地震事件 甘肃文县 |
STUDY ON PALEO-EARTHQUAKE EVENTS IN GUANYINBA OF WENXIAN COUNTY,GANSU PROVINCE |
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| Zhang Hong-bin; WANG Zhao-duo. STUDY ON PALEO-EARTHQUAKE EVENTS IN GUANYINBA OF WENXIAN COUNTY,GANSU PROVINCE[J]. Acta Geologica Gansu, 2010, 0(3): 76-80 | |
| Authors: | Zhang Hong-bin WANG Zhao-duo |
| Affiliation: | Zhang Hong-bin; WANG Zhao-duo(Geological Survey of Gansu Province; Lanzhou 730000; China); |
| Abstract: | It is first time to discover a set of shatter conglomerate during the field investigation in Wenxian County of Gansu Province.The survey results support this shatter conglomerate is the rock record reflecting the strong earthquake of shallow source in this area,and overthrow the conclusion which this conglomerate was Cre-taceous conglomerate because this conglomerate underlain Cretaceous red conglomerate. |
| Keywords: | shatter conglomerate shallow earthquakes Wenxian county in Gansu Province |
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