舞阳凹陷盐岩沉积与构造的响应关系
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摘要
舞阳凹陷在核二1时期开始沉积大量的盐岩,核一段沉积末期盐岩消失。依据地震资料与钻井资料,采用定量与定性相结合的方法,从时空上分析该凹陷盐岩沉积与构造的响应关系,得出如下2个结论:(1)核二2段沉积末期是舞阳凹陷的一个重要构造转换期,在该时期受构造挤压作用舞阳凹陷开始抬升,基底走滑构造开始活化,核三段—核二2段沉积地层与核二1—核一段沉积地层有明显的差异。(2)舞阳凹陷的盐岩沉积与构造有明确的响应关系,构造活动控制了盆地边界的变化,使之成为一个较为封闭的凹陷,进而减少了进入盆地的物源,盐岩开始沉积。
At He 21 sedimentary stage,there appeared a lot of salt sediments while they all disappeared at the end of He_1 stage in Wuyang depression.Both of qualitative method and quantitative method are used in this paper,which can recover the relationship between salt sediment and tectonics effectively in this sag.Through this study,two results are as follows:(1) The sedimentary end of He 22 section is a very important tectonic activity stage,when the whole depression began uplift while the basal strike-slip tectonic started to reactivate.The He 3 and He 22 sedimentary stratum which deposited before the key stage have obvious difference with the ones of He 21 and He 1 that deposited after the key stage.(2)The response relation between salt sediment and tectonic activity is definite in Wuyang sag.The tectonic activity controlled the change of basin boundary,which made the study area a relatively closed depression,then decreased the provenance into the basin,the salt started to deposit.
At He 21 sedimentary stage,there appeared a lot of salt sediments while they all disappeared at the end of He_1 stage in Wuyang depression.Both of qualitative method and quantitative method are used in this paper,which can recover the relationship between salt sediment and tectonics effectively in this sag.Through this study,two results are as follows:(1) The sedimentary end of He 22 section is a very important tectonic activity stage,when the whole depression began uplift while the basal strike-slip tectonic started to reactivate.The He 3 and He 22 sedimentary stratum which deposited before the key stage have obvious difference with the ones of He 21 and He 1 that deposited after the key stage.(2)The response relation between salt sediment and tectonic activity is definite in Wuyang sag.The tectonic activity controlled the change of basin boundary,which made the study area a relatively closed depression,then decreased the provenance into the basin,the salt started to deposit.
引文
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9徐汉林,赵宗举,吕福亮,等.南华北地区的构造演化与含油气性[J].大地构造与成矿学,2004,28(4):450-463[Xu Hanlin,Zhao Zongju,Lu Fuliang,et al.Tectonic evolution of the Nanhuabei area and analysis about its petroleum potential[J].Geotectonica et Metallo-genia,2004,28(4):450-463]
10余和中,吕福亮,郭庆新,等.华北板块南缘原型沉积盆地类型与构造演化[J].石油实验地质,2005,27(2):111-117[Yu Hezhong,Lv Fuliang,Guo Qingxin,et al.Proto-sediment basin types and tec-tonic evolution in the southern edge of north China plate.Petroleum Geology&Experiment,2005,27(2):111-117]
11黄泽光,高长林.秦岭—大别造山带北侧盆地序列及油气前景[J].石油实验地质,2007,29(1):25-31[Huang,Zeguang,Gao Changlin.Basin sequence and oil-gas potential in near northern Qin-ling-Dabie Mountain[J].Petroleum Geology&Experiment,2007,29(1):25-31]
12李兰斌,孙家振,陈文礼,等.舞阳盐湖盆地地层压力特征与成因机理探讨[J].石油实验地质,2000,22(3):265-269[Li Lanbin,Sun Jiazhen,Chen Wenli,et al.Characteristics and genetic mecha-nism of formation pressure in the Wuyang Salt-Lake Basin[J].Experi-mental Petroleum Geology,2000,22(3):265-269]
13杨云飞,李丽贤,段生旭,等.用高分辨率地震资料研究舞阳凹陷地震相[J].河南石油,2001,15(6):13-16[Yang Yunfei,Li Lix-ian,Duan Shengxu,et al.Seismic facies characteristics in Wuyang sag[J].Henan Petroleum,2001,15(6):13-16]
14赵全民,刘喜林,范传军,等.舞阳、襄城盐湖盆地未熟一低熟油成藏模式[J].地质科技情报,200221(4):23-26[Zhao Quanmin,Liu Xilin,Fan Chuanjun,et al.Immature oil reservoir forming model in Wuyang and Xiangcheng Saline Basin,Henan,China[J].Geological Science and Technology Information,2002,21(4):23-26]
15李晓清,汪泽成.拉分盆地分析与含油气性[M].山东东营:石油大学出版社,2003:9-19[Li Xiaoqing,Wang Zechen.Pull Apart Basin Analysis and Its Oil&Gas-Bearing Character[M].Dongying Shandong:China Petroleum University Press,2003:9-19]
2徐天光,顾家裕,薛叔浩,等.塔里木盆地轮台断隆第三系盐湖沉积环境研究[J].沉积学报,1998,16(3):137-140[Xu Tianguang,Gu Jiayu,Xue Shuhao,et al.Saline lake sedimentary environments of Tertiary in Luntai Fracture-uplift,TarimBasin[J].Acta Sedimentologi-ca Sinica,1998,16(3):137-140]
3刘振敏,李博昀,刘国庆,等.腾格里地区盐湖的盐类沉积特征[J].化工矿产地质,2007,29(4):193-201[Liu Zhenmin,Li Bojun,Liu Guoqing,et al.Saline deposit features of salt lakes in Tenggeli Region[J].Geology of Chemical Minerals,2007,29(4):193-201]
4王春男,郭新华,马明珠,等.察尔汗盐湖钾镁盐矿成矿地质背景[J].西北地质,2008,41(1):98-106[Wang Chunnan,Guo Xinhua,Ma Mingzhu,et al.Ore-forming geological background of K-Mg salt in Qarhan Salt Lake[J].Northwestern Geology,2008,41(1):98-106]
5方志雄,陈开远,杨香华,等.潜江盐湖盆地层序地层特征[J].盐湖研究,2003,11(2):15-23[Fang Zhixiong,Chen Kaiyuan,Yang Xian-ghua,et al.Sequence stratigraphy characteristic of Qianjiang Saline Sub-basin[J].Journal of Salt Lake Research,2003,11(2):15-23]
6张本书,赵追,韩朝阳,等.盐湖盆地层序地层学研究综述[J].西北地质,2005,38(1):94-99[Zhang Benshu,Zhao Zhui,Han Chaoy-ang,et al.Research summary of sequence stratigraphy in salt-lake ba-sin[J].Northwestern Geology,2005,38(1):94-99]
7陈凤玲.潜江盐湖构造演化及沉积充填与油气成藏[J].石油天然气学报(江汉石油学院学报),2007,29(2):50-53[Chen Fengling.Structural evolution and depositional packing as well as hydrocarbon ac-cumulation in Qianjiang Salt Lake Basin[J].Journal of Oil and Gas Technology,2007,29(2):50-53]
8马庆元.舞阳凹陷含盐地质特征[J].中国煤田地质,1993,5(3):32-34[Ma Qingyuan.The salt sediment features in Wuyang Depression[J].Coal Geology of China,1993,5(3):32-34]
9徐汉林,赵宗举,吕福亮,等.南华北地区的构造演化与含油气性[J].大地构造与成矿学,2004,28(4):450-463[Xu Hanlin,Zhao Zongju,Lu Fuliang,et al.Tectonic evolution of the Nanhuabei area and analysis about its petroleum potential[J].Geotectonica et Metallo-genia,2004,28(4):450-463]
10余和中,吕福亮,郭庆新,等.华北板块南缘原型沉积盆地类型与构造演化[J].石油实验地质,2005,27(2):111-117[Yu Hezhong,Lv Fuliang,Guo Qingxin,et al.Proto-sediment basin types and tec-tonic evolution in the southern edge of north China plate.Petroleum Geology&Experiment,2005,27(2):111-117]
11黄泽光,高长林.秦岭—大别造山带北侧盆地序列及油气前景[J].石油实验地质,2007,29(1):25-31[Huang,Zeguang,Gao Changlin.Basin sequence and oil-gas potential in near northern Qin-ling-Dabie Mountain[J].Petroleum Geology&Experiment,2007,29(1):25-31]
12李兰斌,孙家振,陈文礼,等.舞阳盐湖盆地地层压力特征与成因机理探讨[J].石油实验地质,2000,22(3):265-269[Li Lanbin,Sun Jiazhen,Chen Wenli,et al.Characteristics and genetic mecha-nism of formation pressure in the Wuyang Salt-Lake Basin[J].Experi-mental Petroleum Geology,2000,22(3):265-269]
13杨云飞,李丽贤,段生旭,等.用高分辨率地震资料研究舞阳凹陷地震相[J].河南石油,2001,15(6):13-16[Yang Yunfei,Li Lix-ian,Duan Shengxu,et al.Seismic facies characteristics in Wuyang sag[J].Henan Petroleum,2001,15(6):13-16]
14赵全民,刘喜林,范传军,等.舞阳、襄城盐湖盆地未熟一低熟油成藏模式[J].地质科技情报,200221(4):23-26[Zhao Quanmin,Liu Xilin,Fan Chuanjun,et al.Immature oil reservoir forming model in Wuyang and Xiangcheng Saline Basin,Henan,China[J].Geological Science and Technology Information,2002,21(4):23-26]
15李晓清,汪泽成.拉分盆地分析与含油气性[M].山东东营:石油大学出版社,2003:9-19[Li Xiaoqing,Wang Zechen.Pull Apart Basin Analysis and Its Oil&Gas-Bearing Character[M].Dongying Shandong:China Petroleum University Press,2003:9-19]
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