| 沂沭断裂带北段大盛-马站早白垩世盆地成因分析 |
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| 引用本文： | 于福生,漆家福,王春英,张卫刚.沂沭断裂带北段大盛-马站早白垩世盆地成因分析[J].西安石油大学学报(自然科学版),2003,18(1):1-3. |
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| 作者姓名： | 于福生 漆家福 王春英 张卫刚 |
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| 作者单位： | 1. 石油大学,资源与信息学院,北京,昌平,102249
2. 兰州第三勘察院,甘肃,兰州,730050 |
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| 基金项目： | “973”项目——中国典型叠合盆地关键构造变革时期的盆-山耦合与深部过程 (G19990 43 3 0 3 )资助 |
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| 摘 要： | 为了分析大盛 -马站盆地的成因类型 ,重点调查了盆地内沉积相带的空间展布特征及盆地沉积中心迁移的规律 .盆地内同生构造显示盆地边缘主干断裂具有左行走滑特点 .盆地内生物化石及火山岩年代学特征表明盆地形成于早白垩世 .盆地性质为左旋走滑拉分盆地 ,说明郯庐断裂在早白垩世晚期发生过左旋走滑活动
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| 关 键 词： | 大盛-马站盆地 郯庐断裂 早白垩世 走滑盆地 |
| 文章编号： | 1001-5361(2003)01-0001-03 |
| 修稿时间： | 2001年12月15 |
Analysis of Origin of the Early Cretaceous Dasheng-Mazhan Basin in the North Part of Yi-shu Fracture |
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| YU Fu sheng,QI Jia fu,WANG Chun ying,et al.Analysis of Origin of the Early Cretaceous Dasheng-Mazhan Basin in the North Part of Yi-shu Fracture[J].Journal of Xian Shiyou University,2003,18(1):1-3. |
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| Authors: | YU Fu sheng QI Jia fu WANG Chun ying |
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| Abstract: | In order to analyze the origin of the Dasheng Mazhan basin in the north part of Yi Shu fracture, the spatial distribution regulation that suggests the depocenter of the basin migrated northerly is investigated. The sedimentary structures in the basin indicate that the major boundary faults of the basin are left slip faults. The collected fossils and the age of volcanic rocks determined in the basin illustrate that the basin developed in Early Cretaceous. The Dasheng Mazhan basin is a typical sinistral pull apart basin, which suggests that the Tanlu fault zone underwent sinistral strike slip during Early Cretaceous. |
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| Keywords: | Dasheng Mazhan basin Tanlu fault Early Cretaceous strike slip basin |
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