| 塔里木盆地塔中良里塔格组层序及岩相古地理特征 |
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| 引用本文： | 康建威,田景春,林小兵.塔里木盆地塔中良里塔格组层序及岩相古地理特征[J].西安石油大学学报(自然科学版),2010,25(1). |
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| 作者姓名： | 康建威 田景春 林小兵 |
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| 作者单位： | 1. 成都地质矿产研究所,四川,成都,610082
2. 成都理工大学,油气藏地质及开发工程国家重点实验室,四川,成都,610059 |
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| 基金项目： | 中国地调局成都地调中心《中国岩相古地理编图》 |
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| 摘 要： | 塔中低凸起是塔里木盆地隆起带由多级次级构造带组成的大型台背斜构造.奥陶纪海平面多次升降以及晚奥陶世末期抬升剥蚀的作用,使良里塔格组成为该地区沉积范围最为广泛的地层.在对该地区奥陶系层序地层研究的基础上,良里塔格组识别出SQ1和SQ2层序.以体系域为单位,结合多种地质因素和条件,编制良里塔格组层序—岩相古地理图.结果表明,塔中地区奥陶系良里塔格组沉积相带和古地理演化与构造运动和海平面变化密切相关,从塔中中央隆起向北斜坡和南斜坡依次发育碳酸盐陆棚—棚缘—斜坡—混积陆棚—半深海的沉积体系.
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| 关 键 词： | 塔中低凸起 良里塔格组 层序 岩相古地理 |
Study on the sequence based lithofacies-paleogeography map of Lianglitage Formation in the Central Tarim Low Salient |
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| KANG Jian-wei,TIAN Jing-chun,LIN Xiao-bing.Study on the sequence based lithofacies-paleogeography map of Lianglitage Formation in the Central Tarim Low Salient[J].Journal of Xian Shiyou University,2010,25(1). |
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| Authors: | KANG Jian-wei TIAN Jing-chun LIN Xiao-bing |
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| Institution: | KANG Jian-wei1,TIAN Jing-chun2,LIN Xiao-bing2 (1.Chengdu Institute of Geology , Mineral Resources,Chengdu 610082,Sichuan,China,2.State Key Laboratory of Oil /Gas Reservoir Geology , Exploitation,Chengdu University of Technology,Chengdu 610059,China) |
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| Abstract: | The Central Tarim Low Salient is a large platform anticline structure in Tarim Basin Uplift Belt composed of several secondary structural zones.Because of the several times of sea level eustacy in Ordovician and the uplift-erosion in the terminal stage of Late Ordovician Epoch,Lianglitage Formation became the largest sedimentary stratum in this area.Based on the study of Ordovician sequence stratigraphy,Lianglitage Formation should be divided into SQ2 and SQ1.And sequence-based lithofacies-paleogeography ma... |
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| Keywords: | Central Tarim Low Salient Lianglitage Formation sequence stratigraphy lithofacies-paleogeography map |
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