柴达木盆地鄂博梁地区古近系沉积物源方向分析
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摘要
分析沉积区物源方向对研究该区的沉积作用、储层特征以及构造演化等方面具有重要的意义。为了查明柴达木盆地鄂博梁地区古近系沉积物源方向,本文对研究区碎屑岩的碎屑组分、岩屑类型、重矿物组合特征、稀土元素特征和阴极发光特征的平面分布特征进行分析,结合地震资料,确定研究区古近系沉积物源。综合分析得出鄂博梁Ⅰ号构造带物源主要来自于北部的阿尔金山物源区,西部的东坪构造带与鄂博梁Ⅰ号构造带具有相对独立的物源;鄂博梁Ⅱ号构造带属于混源区,同时是受到两个方向物源影响,分别是北部的阿尔金山方向,即来自于鄂博梁Ⅰ号构造带,是主要的物源区,来自东北部的小赛什腾山经冷湖三号、四号和五号构造带方向的物源,为次要物源区;鄂博梁Ⅲ号构造带主要是来自东北部赛什腾山经冷湖六号和冷湖七号构造带方向的物源,不受到南八仙方向的"古鱼卡大型古河流三角洲"物源的控制。
The analysis of sediment source has vital significance to the sedimentary area,reservoir characteristics and tectonic evolution. Based on the analysis of detrital composition,lithic type,heavy mineral assemblage,cathode luminescence,REE and seismic data,the provenance of Eboliang region in Qaidam Basin during the Paleogene has been specifically studied. The provenance of Eboliang No. Ⅰstructure mainly comes from the Altyn Tagh Mountain in the north. The Dongping structure belt in the west and Eboliang No. Ⅰstructure have relatively independent provenance.Eboliang No.Ⅱstructure is in mixed provenance area,which is influenced by two source directions. The main provenance is from the Altyn Tagh Mountain in the north through Eboliang No. Ⅰstructure. One of the other is from Xiaosaishiteng Mountain in the northeast of the study area through Lenghu No. 3,4 and 5 structures. Provenance of Eboliang No.Ⅲ structure mainly comes from Saishiteng Mountain in northeast of study area through Lenghu No.6 and Lenghu No.7 structures without the influence by ancient Yuka largh fluvial-dominated delta from Nanbaxian direction.
The analysis of sediment source has vital significance to the sedimentary area,reservoir characteristics and tectonic evolution. Based on the analysis of detrital composition,lithic type,heavy mineral assemblage,cathode luminescence,REE and seismic data,the provenance of Eboliang region in Qaidam Basin during the Paleogene has been specifically studied. The provenance of Eboliang No. Ⅰstructure mainly comes from the Altyn Tagh Mountain in the north. The Dongping structure belt in the west and Eboliang No. Ⅰstructure have relatively independent provenance.Eboliang No.Ⅱstructure is in mixed provenance area,which is influenced by two source directions. The main provenance is from the Altyn Tagh Mountain in the north through Eboliang No. Ⅰstructure. One of the other is from Xiaosaishiteng Mountain in the northeast of the study area through Lenghu No. 3,4 and 5 structures. Provenance of Eboliang No.Ⅲ structure mainly comes from Saishiteng Mountain in northeast of study area through Lenghu No.6 and Lenghu No.7 structures without the influence by ancient Yuka largh fluvial-dominated delta from Nanbaxian direction.
引文
1 李凤杰,孟立娜,方朝刚,等.柴达木盆地北缘古近纪—新近纪古地理演化[J].古地理学报,2012,14(5):596-606.[Li Fengjie,Meng Lina,Fang Chaogang,et al.Palaeogeographic evolution of the Paleogene and Neogene in north margin of Qaidam Basin[J].Journal of Palaeogeography,2012,14(5):596-606.]
2 李凤杰,李俊武,王海峰,等.柴达木盆地北缘新近系重矿物特征及物源分析[J].科学技术与工程,2014,14(17):183-187.[Li Fengjie,Li Junwu,Wang Haifeng,et al.The heavy minerals characteristics and provenance analysis of Neogene in north margin of Qaidam Basin[J].Science Technology and Engineering,2014,14(17):183-187.]
3 李凤杰,刘琪,刘殿鹤,等.柴达木盆地北缘下干柴沟组储层特征及影响因素分析[J].天然气地球科学,2009,20(1):44-49.[Li Fengjie,Liu Qi,Liu Dianhe,et al.Characteristics and influential factor Low-Ganchaigou Formation reservoir in north edge of Qaidam Basin[J].Natural Gas Geoscience,2009,20(1):44-49.]
4 孙国强,杜忠明,贾艳艳,等.柴达木盆地北缘西段古近纪以来沉积模式研究[J].岩性油气藏,2012,24(4):13-18.[Sun Guoqiang,Du Zhongming,Jia Yanyan,et al.Sedimentary model since Paleogene in northern margin of Qaidam Basin[J].Lithologic Reservoirs,2012,24(4):13-18.]
5 刘殿鹤,李凤杰,郑荣才,等.柴北缘西段古近系下干柴沟组沉积相特征分析[J].天然气地球科学,2009,20(6):847-853.[Liu Dianhe,Li Fengjie,Zheng Rongcai,et al.Sedimentary facies feature of Paleogene Lower Ganchaigou Formation in the west segment,north edge of Qaidam Basin[J].Natural Gas Geoscience,2009,20(6):847-853.]
6 和钟铧,刘招君,郭巍,等.柴达木北缘中生代盆地的成因类型及构造沉积演化[J].吉林大学学报:地球科学版,2002,32(4):333-339 .[He Zhonghua,Liu Zhaojun,Guo Wei,et al.The genetic type of the Mesozoic Basin in northern Chaidamu and its tectonic-sedimentary evolution[J].Journal of Jilin University:Earth Science Edition,2002,32(4):333-339.]
7 赵加凡,陈小宏,杜业波.柴达木第三纪湖盆沉积演化史[J].石油勘探与开发,2004,31(3):41-44.[Zhao Jiafan,Chen Xiaohong,Du Yebo.The Tertiary sedimentary evolution of the Qaidam Basin,Northwest China[J].Petroleum Exploration and Development,2004,31(3):41-44.]
8 薛光华,杨永泰.柴达木盆地北缘中新生代构造演化与油气的关系[J].大庆石油地质开发,2002,21(1):35-37,39.[Xue Guanghua,Yang Yongtai.The relationship between tectonic evolution and petroleum in the north margin Qaidam Basin[J].Petroleum Geology&Oilfield Development in Daqing,2002,21(1):35-37,39.]
9 李宏义,姜振学,庞雄奇,等.柴北缘油气运移优势通道特征及其控油气作用[J].地球科学,2006,31(2):214-220.[Li Hongyi,Jiang Zhenxue,Pang Xiongqi,et al.Dominant migration pathway and its control on oil-gas migration in the northern edge of Qaidam Basin[J].Earth Science,2006,31(2):214-220.]
10 禚喜准,王琪,张瑞,等.柴达木盆地北缘下干柴沟组下段湖相混合沉积发育特征及其对储层的影响[J].沉积学报,2013,31(4):724 -729.[Zhuo Xizhun,Wang Qi,Zhang Rui,et al.The characteristics of lacustrine mixed deposit in Lower Xiaganchaigou Formation and its effect on reservoir property:A case in the central areas of northern Qaidam Basin[J].Acta Sedimentologica Sinica,2013,31(4):724-729.]
11 林洪,李凤杰,李磊,等.柴达木盆地北缘古近系系重矿物特征及物源分析[J].天然气地球科学,2014,25(4):532-541.[Lin Hong,Li Fengjie,Li Lei,et al.Characteristics of Paleogene heavy mineral and its source in northern of Qaidam Basin[J].Natural Gas Geoscience,2014,25(4):532-541.]
12 王艳清,宫清顺,夏志远,等.柴达木盆地西部区渐新世沉积物源分析[J].中国地质,2012,39(2):426-435.[Wang Yanqing,Gong Qingshun,Xia Zhiyuan,et al.Provenance analysis of Oligocene sediments in the western Qaidam Basin[J].Geology in China,2012,39(2):426-435.]
13 施振生,王秀芹,吴长江.四川盆地上三叠统须家河组重矿物特征及物源区意义[J].天然气地球科学,2011,22(4):618-627.[Shi Zhensheng,Wang Xiuqin,Wu Changjiang,The heavy minerals and provenances of the Upper Triassic Xujiahe Formation in Sichuan Basin[J].Natural Gas Geoscience,2011,22(4):618-627.]
14 赵红格,刘池洋.物源分析方法及研究进展[J].沉积学报,2003,21 (3):409-415.[Zhao Hongge,Liu Chiyang.Approaches and prospects of provenance analysis[J].Acta Sedimentologica Sinica,2003,21(3):409-415.]
15 赵澄林,朱筱敏.沉积岩石学[M].北京:石油工业出版社,2004:40 -150.[Zhao Chenglin,Zhu Xiaomin.Sedimentary Petrology[M].Beijing:Petroleum Industry Press,2004:40-150.]
16 操应长,周磊,张玉明,等.松辽盆地十屋断陷十屋地区营城组物源体系探讨[J].沉积学报,2011,29(6):1096-1104.[Cao Yingchang,Zhou Lei,Zhang Yuming,et al.Discussion on provenance systems in Yingcheng Formation in Shiwu area of Shiwu fault depression,Songliao Basin[J].Acta Sedimentologica Sinica,2011,29(6):1096-1104.]
17 白玉奇.伊盟隆起地区上古生界石盒子组和山西组物源分析[J].地下水,2012,34(4):208-209,212.[Bai Yuqi.Provenance analysis of the Upper Palaeozoic Shihezi and Shanxi Formation in Yimeng Uplift[J].Ground Water,2012,34(4):208-209,212.]
18 田洪均.阴极发光技术在沉积学中的应用[J].岩相古地理,1989,43(5):56-64,8.[Tian Hongjun.Cathodoluminescence technique in the application of sedimentology[J].Sedimentary Facies and Palaeogeography,1989,43(5):56-64,8.]
19 邵磊,朱伟林,吴国瑄,等.渤中凹陷及周边地区沉积岩若干稀土元素特征[J].同济大学学报:自然科学版,2001,29(6):662-665.[Shao Lei,Zhu Weilin,Wu Guoxuan,et al.Characteristic of some trace elements of sedimentary rock from the Bozhong and neighbor areas,Bohai-Gulf Basin[J].Journal of Tongji University,2001,29(6):662-665.]
20 杨守业,李从先.REE示踪沉积物物源研究进展[J].地球科学进展,1999,14(2):164-167.[Yang Shouye,Li Congxian.Research progress in REE tracer for sediment source[J].Advance in Earth Science,1999,14(2):164-167.]
21 杨忠芳,陈岳龙.陆源碎屑沉积作用对化学元素配分的制约——兼论五台地区前寒武纪碎屑沉积岩示踪源区陆壳成分的意义[J].地质论评,1997,43(6):593-600.[Yang Zhongfang,Chen Yuelong.Constraints of terrigenous clastic sedimentation on element partitioning-with a discussion of tracing the continental crustal composition of the provenance through precambrian clastic sedimentary rocks in the Wutai area,Shanxi province[J].Geological Review,1997,43(6):593-600.]
22 刘宁,樊德华,郝运轻,等.稀土元素分析方法研究及应用——以渤海湾盆地东营凹陷永安地区物源分析为例[J].石油实验地质,2009,31(4):427-432.[Liu Ning,Fan Dehua,Hao Yunqing,et al.REE analysis method and application-Taking source rocks in Yong’an region of the Dongying sag,the Bohai Bay Basin as example[J].Petroleum Geology&Experiment,2009,31(4):427-432.]
23 覃小锋,夏斌,黎春泉,等.阿尔金构造带西段前寒武纪花岗质片麻岩的地球化学特征及其构造背景[J].现代地质,2008,22(1):34 -44.[Qin Xiaofeng,Xia Bin,Li Chunquan,et al.Geochemical characteristics and tectonic setting of Precambrian granitic gneiss in the western segment of Altyn Tagh tectonic belt[J].Geoscience,2008,22(1):34-44.]
24 孟繁聪,张建新,杨经绥.俯冲的大陆岛弧——柴北缘片麻岩的地球化学和同位素证据[J].地质学报,2005,79(1):46-55.[Meng Fancong,Zhang Jianxin,Yang Jingsui.Subducted continental arc:Geochemical and isotopic evidence of gneisses in the north Qaidam[J].Acta Geologica Sinica,2005,79(1):46-55.]
25 刘锐娥,卫孝峰,王亚丽,等.泥质岩稀土元素地球化学特征在物源分析中的意义——以鄂尔多斯盆地上古生界为例[J].天然气地球科学,2005,16(6):788-791.[Liu Ruie,Wei Xiaofeng,Wang Yali,et al.The geochemical characteristics of rare earth elements of the shale rock in the geologic significance of the analysis of the sedimentary provenance:An example in the Upper Palaeozoic in the Ordos Basin[J].Natural Gas Geoscience,2005,16(6):788-791.]
26 张金伟,王军,吴明荣,等.利用地震前积反射特征确定古水流方向的沉积几何方法[J].油气地质与采收率,2008,15(5):53-55.[Zhang Jinwei,Wang Jun,Wu Mingrong,et al.A geometrical method of calculating paleocurrent direction using seismic progradation reflection characteristics[J].Petroleum Geology and Recovery Efficiency,2008,15(5):53-55.]
2 李凤杰,李俊武,王海峰,等.柴达木盆地北缘新近系重矿物特征及物源分析[J].科学技术与工程,2014,14(17):183-187.[Li Fengjie,Li Junwu,Wang Haifeng,et al.The heavy minerals characteristics and provenance analysis of Neogene in north margin of Qaidam Basin[J].Science Technology and Engineering,2014,14(17):183-187.]
3 李凤杰,刘琪,刘殿鹤,等.柴达木盆地北缘下干柴沟组储层特征及影响因素分析[J].天然气地球科学,2009,20(1):44-49.[Li Fengjie,Liu Qi,Liu Dianhe,et al.Characteristics and influential factor Low-Ganchaigou Formation reservoir in north edge of Qaidam Basin[J].Natural Gas Geoscience,2009,20(1):44-49.]
4 孙国强,杜忠明,贾艳艳,等.柴达木盆地北缘西段古近纪以来沉积模式研究[J].岩性油气藏,2012,24(4):13-18.[Sun Guoqiang,Du Zhongming,Jia Yanyan,et al.Sedimentary model since Paleogene in northern margin of Qaidam Basin[J].Lithologic Reservoirs,2012,24(4):13-18.]
5 刘殿鹤,李凤杰,郑荣才,等.柴北缘西段古近系下干柴沟组沉积相特征分析[J].天然气地球科学,2009,20(6):847-853.[Liu Dianhe,Li Fengjie,Zheng Rongcai,et al.Sedimentary facies feature of Paleogene Lower Ganchaigou Formation in the west segment,north edge of Qaidam Basin[J].Natural Gas Geoscience,2009,20(6):847-853.]
6 和钟铧,刘招君,郭巍,等.柴达木北缘中生代盆地的成因类型及构造沉积演化[J].吉林大学学报:地球科学版,2002,32(4):333-339 .[He Zhonghua,Liu Zhaojun,Guo Wei,et al.The genetic type of the Mesozoic Basin in northern Chaidamu and its tectonic-sedimentary evolution[J].Journal of Jilin University:Earth Science Edition,2002,32(4):333-339.]
7 赵加凡,陈小宏,杜业波.柴达木第三纪湖盆沉积演化史[J].石油勘探与开发,2004,31(3):41-44.[Zhao Jiafan,Chen Xiaohong,Du Yebo.The Tertiary sedimentary evolution of the Qaidam Basin,Northwest China[J].Petroleum Exploration and Development,2004,31(3):41-44.]
8 薛光华,杨永泰.柴达木盆地北缘中新生代构造演化与油气的关系[J].大庆石油地质开发,2002,21(1):35-37,39.[Xue Guanghua,Yang Yongtai.The relationship between tectonic evolution and petroleum in the north margin Qaidam Basin[J].Petroleum Geology&Oilfield Development in Daqing,2002,21(1):35-37,39.]
9 李宏义,姜振学,庞雄奇,等.柴北缘油气运移优势通道特征及其控油气作用[J].地球科学,2006,31(2):214-220.[Li Hongyi,Jiang Zhenxue,Pang Xiongqi,et al.Dominant migration pathway and its control on oil-gas migration in the northern edge of Qaidam Basin[J].Earth Science,2006,31(2):214-220.]
10 禚喜准,王琪,张瑞,等.柴达木盆地北缘下干柴沟组下段湖相混合沉积发育特征及其对储层的影响[J].沉积学报,2013,31(4):724 -729.[Zhuo Xizhun,Wang Qi,Zhang Rui,et al.The characteristics of lacustrine mixed deposit in Lower Xiaganchaigou Formation and its effect on reservoir property:A case in the central areas of northern Qaidam Basin[J].Acta Sedimentologica Sinica,2013,31(4):724-729.]
11 林洪,李凤杰,李磊,等.柴达木盆地北缘古近系系重矿物特征及物源分析[J].天然气地球科学,2014,25(4):532-541.[Lin Hong,Li Fengjie,Li Lei,et al.Characteristics of Paleogene heavy mineral and its source in northern of Qaidam Basin[J].Natural Gas Geoscience,2014,25(4):532-541.]
12 王艳清,宫清顺,夏志远,等.柴达木盆地西部区渐新世沉积物源分析[J].中国地质,2012,39(2):426-435.[Wang Yanqing,Gong Qingshun,Xia Zhiyuan,et al.Provenance analysis of Oligocene sediments in the western Qaidam Basin[J].Geology in China,2012,39(2):426-435.]
13 施振生,王秀芹,吴长江.四川盆地上三叠统须家河组重矿物特征及物源区意义[J].天然气地球科学,2011,22(4):618-627.[Shi Zhensheng,Wang Xiuqin,Wu Changjiang,The heavy minerals and provenances of the Upper Triassic Xujiahe Formation in Sichuan Basin[J].Natural Gas Geoscience,2011,22(4):618-627.]
14 赵红格,刘池洋.物源分析方法及研究进展[J].沉积学报,2003,21 (3):409-415.[Zhao Hongge,Liu Chiyang.Approaches and prospects of provenance analysis[J].Acta Sedimentologica Sinica,2003,21(3):409-415.]
15 赵澄林,朱筱敏.沉积岩石学[M].北京:石油工业出版社,2004:40 -150.[Zhao Chenglin,Zhu Xiaomin.Sedimentary Petrology[M].Beijing:Petroleum Industry Press,2004:40-150.]
16 操应长,周磊,张玉明,等.松辽盆地十屋断陷十屋地区营城组物源体系探讨[J].沉积学报,2011,29(6):1096-1104.[Cao Yingchang,Zhou Lei,Zhang Yuming,et al.Discussion on provenance systems in Yingcheng Formation in Shiwu area of Shiwu fault depression,Songliao Basin[J].Acta Sedimentologica Sinica,2011,29(6):1096-1104.]
17 白玉奇.伊盟隆起地区上古生界石盒子组和山西组物源分析[J].地下水,2012,34(4):208-209,212.[Bai Yuqi.Provenance analysis of the Upper Palaeozoic Shihezi and Shanxi Formation in Yimeng Uplift[J].Ground Water,2012,34(4):208-209,212.]
18 田洪均.阴极发光技术在沉积学中的应用[J].岩相古地理,1989,43(5):56-64,8.[Tian Hongjun.Cathodoluminescence technique in the application of sedimentology[J].Sedimentary Facies and Palaeogeography,1989,43(5):56-64,8.]
19 邵磊,朱伟林,吴国瑄,等.渤中凹陷及周边地区沉积岩若干稀土元素特征[J].同济大学学报:自然科学版,2001,29(6):662-665.[Shao Lei,Zhu Weilin,Wu Guoxuan,et al.Characteristic of some trace elements of sedimentary rock from the Bozhong and neighbor areas,Bohai-Gulf Basin[J].Journal of Tongji University,2001,29(6):662-665.]
20 杨守业,李从先.REE示踪沉积物物源研究进展[J].地球科学进展,1999,14(2):164-167.[Yang Shouye,Li Congxian.Research progress in REE tracer for sediment source[J].Advance in Earth Science,1999,14(2):164-167.]
21 杨忠芳,陈岳龙.陆源碎屑沉积作用对化学元素配分的制约——兼论五台地区前寒武纪碎屑沉积岩示踪源区陆壳成分的意义[J].地质论评,1997,43(6):593-600.[Yang Zhongfang,Chen Yuelong.Constraints of terrigenous clastic sedimentation on element partitioning-with a discussion of tracing the continental crustal composition of the provenance through precambrian clastic sedimentary rocks in the Wutai area,Shanxi province[J].Geological Review,1997,43(6):593-600.]
22 刘宁,樊德华,郝运轻,等.稀土元素分析方法研究及应用——以渤海湾盆地东营凹陷永安地区物源分析为例[J].石油实验地质,2009,31(4):427-432.[Liu Ning,Fan Dehua,Hao Yunqing,et al.REE analysis method and application-Taking source rocks in Yong’an region of the Dongying sag,the Bohai Bay Basin as example[J].Petroleum Geology&Experiment,2009,31(4):427-432.]
23 覃小锋,夏斌,黎春泉,等.阿尔金构造带西段前寒武纪花岗质片麻岩的地球化学特征及其构造背景[J].现代地质,2008,22(1):34 -44.[Qin Xiaofeng,Xia Bin,Li Chunquan,et al.Geochemical characteristics and tectonic setting of Precambrian granitic gneiss in the western segment of Altyn Tagh tectonic belt[J].Geoscience,2008,22(1):34-44.]
24 孟繁聪,张建新,杨经绥.俯冲的大陆岛弧——柴北缘片麻岩的地球化学和同位素证据[J].地质学报,2005,79(1):46-55.[Meng Fancong,Zhang Jianxin,Yang Jingsui.Subducted continental arc:Geochemical and isotopic evidence of gneisses in the north Qaidam[J].Acta Geologica Sinica,2005,79(1):46-55.]
25 刘锐娥,卫孝峰,王亚丽,等.泥质岩稀土元素地球化学特征在物源分析中的意义——以鄂尔多斯盆地上古生界为例[J].天然气地球科学,2005,16(6):788-791.[Liu Ruie,Wei Xiaofeng,Wang Yali,et al.The geochemical characteristics of rare earth elements of the shale rock in the geologic significance of the analysis of the sedimentary provenance:An example in the Upper Palaeozoic in the Ordos Basin[J].Natural Gas Geoscience,2005,16(6):788-791.]
26 张金伟,王军,吴明荣,等.利用地震前积反射特征确定古水流方向的沉积几何方法[J].油气地质与采收率,2008,15(5):53-55.[Zhang Jinwei,Wang Jun,Wu Mingrong,et al.A geometrical method of calculating paleocurrent direction using seismic progradation reflection characteristics[J].Petroleum Geology and Recovery Efficiency,2008,15(5):53-55.]