Study on Outcrop Sequence Stratigraphy of the Carboniferous Strata in Anhui and Jiangsu Province,China

LIN Chun ming; ZHANG Shun; WANG Shu jun; LIU Jia run; LING Hong fei

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LIN Chun ming, ZHANG Shun, WANG Shu jun, LIU Jia run, LING Hong fei. Study on Outcrop Sequence Stratigraphy of the Carboniferous Strata in Anhui and Jiangsu Province,China[J]. Acta Sedimentologica Sinica, 2002, 20(4): 537-544.

Citation:

LIN Chun ming, ZHANG Shun, WANG Shu jun, LIU Jia run, LING Hong fei. Study on Outcrop Sequence Stratigraphy of the Carboniferous Strata in Anhui and Jiangsu Province,China[J]. Acta Sedimentologica Sinica, 2002, 20(4): 537-544.

Study on Outcrop Sequence Stratigraphy of the Carboniferous Strata in Anhui and Jiangsu Province,China

Department of Earth Sciences,State Key Laboratory of Ore Genesis,Nanjing University,Nanjing 210093

Received Date: 2001-10-11
Rev Recd Date: 2002-03-08
Publish Date: 2002-12-10

Abstract

The Carboniferous system exposed from Anhui and Jiangsu provinces,has seven Iithogenetic units. Based on outcrop seguence stratigraphic anaIysis with particuIar attention to the key surfaces or poIyphase paIeokarsts deveIoped in the interruptions of sedimentation,nine types of Iithofacies, twenty types of microfacies and eIeven third-order seguences in the Carboniferous system are recognized. The Iower series of Carboniferous strata have six seguences,and the upper series have five. In the Iower series of Carboniferous strata,Yanguan stage are composed of seguence 1 to 2,and Datang stage from seguence 3 to 6.In the up-per series, Weining stage are composed of seguence 7 to 8, and Maping stage from seguence 9 to 11.According to the fea- tures of the bottom boundary surface,eIeven third - order seguences are cIassified into two sorts of seguence , which are type Ⅰseguence and type ". The bottom boundary surface of type ! seguence aII have cIear signs incIuding the differ-ent thickness eIuviums,the strong paIeokarst,the strata discontinutity,the immense changes of sedimentary patterns and traits,the huge and sudden aIternation of carbon and oxygen isotope vaIues and the disappearence and abrupt changes of organism evoIution. The third-order seguences of S2,S3,S5,S6,S7 and S11 beIong to I-type of sedimentary seguence,and S1,S4,S8,S9 and S10 Ⅱ -type. The third-order seguences are absent at times. The characteristics and genesis of each third-order seguences are described and discussed. The third-order se-guences in various paIeogeographic units and sedimentary environment can be correIated. Sea IeveI change rate and am-pIitude corresponding to these third-order seguences are discussed and highstand systems tracts iike Vaii' s marine seguence modei. Because of the difference of basin texture,fauit activity and materiai suppiy,the main controiied factors of seguence styie were different in steep siope,deep-water area and gen-tie siope. The major controiied factor of seguence styie on steep siope was fauit activity and materiai suppiy,and the nearshore subagueous fan was main sedimentary type；the factor controiied seguence styie in deep water area was reiative change of iake ievei,the sedimentary facies was characteristic of shaiiow-deep iake；the factor controiied seguence styie on gentie siope was reiative change of iake ievei and materiai suppiy,fan-deita or river-dominated deita was major sedi-mentary type. Therefore,the seguence modeis were estabiished separateiy on steep siope,deep-water area and gentie siope. A seguence was made up of iowstand,transgressive and highstand systems tracts with topographic break on gentie siope of Luxi depression. Lastiy,authors anaiyzed the condition of hydrocarbon accumuiation in different seguence frame-work,and pointed out that the iowstand and highstand systems tracts of seguence ! were rich in hydrocarbon resource,and were the main section for finding new hidden traps.
- seguence stratigraghy,
- Carboniferous,
- Anhui and Jiangsu provinces

References

[1]	王训练,林善园.上扬子地台南缘不同沉积相区上泥盆统和下石炭统沉积层序之对比[J]. 沉积学报,1999,17(3):331～3 338[Wang Xunlian, Lin Shanyuan. Correlation of the Upper Devonian and Lower Carboniferous depositional sequences in the different facies belts on the Southern margin of the Upper Yangtze platform[J]. Acta Sedimentologica Sinica, 1999,17(3):331～3 338]
[2]	彭军,陈洪德,田景春等. 川滇黔桂地区石炭系层序地层研究[J].沉积学报,2000,18(2):190～197[Peng Jun, Chen Hongde, Tian Jingchun, et al. Sequence stratigraphy study on Carbroniferous strata in Sichuan, Yunnan, Guizhou and Guangxi[J]. Acta Sedimentologica Sinica, 2000,18(2):190～197]
[3]	史晓颖,雷振宇,阴家润.珠穆朗玛峰北坡下侏罗统层序地层及沉积相研究[J].地质学报,1996,70(1):73～83[Shi Xiaoying, Lei Zhenyu, Yin Jiarun. Lower Jurassic sequence stratigraphy and sedimentary facies on north slope of the mount Qomolongma[J]. Acta Geologica Sinica, 1996,70(1):73～83]
[4]	王训练. 露头层序地层学研究的几个理论问题[J].中国科学(D辑).1999,29(1):22～30[Wang Xunlian.The theoretic problems in studies on outcrop sequence stratigraphy[J]. Science in China (Series D), 1999,29(1):22～30]
[5]	陈宏明,吴祥和,张瑛等.中国南方石炭纪岩相古地理与成矿作用[M].北京: 地质出版社,1994.1～79[ Chen Hongming,Wu Xianghe,Zhang Ying, et al. Carboniferous lithofacies, paleogeography and mineralization in South Chian[M]. Beijing: Geological Publishing House, 1994. 1～79]
[6]	陈宏明,张瑛.下扬子区石炭纪层序地层与海平面变化[J].华东油气勘查,1997, 15(2):1～11[Chen Hongming, Zhang Yin. The Carboniferous sequence stratigraphy and sea level changes in Lower Yangtze area[J]. Oil and Gas Exploration in Eastern China, 1997, 15(2):1～11]
[7]	夏军,徐家聪.巢湖地区石炭纪地层格架[J]. 安徽地质,1998,8(3): 38～44[Xia Jun, Xu Jiacong. The Carboniferous stratigraphic framework in the Chaohu area[J]. Geology of Anhui,1998,8(3): 38～44]
[8]	陈中强,张海春,李建国.南京附近宁镇山脉下石炭统层序地层特征[J].岩相古地理,1996, 16(5):38～46[Chen Zhongqiang, Zhang Haichun, Li Jianguo. Early Carboniferous sequence stratigraphy and sea-level changes in the Ningzhen Mountain area near Nanjing,Jiangsu[J]. Lithofacies and Paleogeography, 1996, 16(5):38～46]
[9]	刘本培,李儒峰,尤德宏.黔南独山石炭系层序地层及麦粒蜓带冰川型全球海平面变化[J].地球科学,1994, 19(5):553～564[Liu Benpei, Li Rufeng, You Dehong. Carboniferous sequence stratigraphy and glacio-eustasy of Triticites zone in southern Guizhou,China[J]. Earth science-Journal of China University of geosciences,1994,19(5): 553～564]
[10]	王鸿祯,史晓颖. 沉积层序及海平面旋回的分类级别-旋回周期的成因讨论[J].现代地质,1998,12(1):1～16[Wang Hongzhen, Shi Xiaoying. Hierarchy of depositional sequences and eustatic cycles-a discussion on the mechanism of sedimentary cycles[J]. Geoscience, 1998,12(1):1～16]
[11]	林春明,黄志诚,刘家润等.安徽巢湖凤凰山剖面石炭系微相和层序地层特征[J].岩石学报, 2002,18(3):424～433[Lin Chunming, Huang Zhicheng, Liu Jiarun, et al. Carboniferous microfacies and sequence stratigraphy of Fengshan mountain profile in Chaohu of Anhui Province,China[J]. Acta Petrologica Sinica,2002,18(3): 424～433]
[12]	Keith M L, Weber J N. Carbon and oxygen isotopic composition of selected limestones and fossils[J]. Geochimica et Cosmochimica Acta, 1964,18:1 787～1 816
[13]	Veevers J J, Powell C McA. Late Paleozoic glacial episodes in Gondwanaland reflected in transgrressive-regressive depositional sequence in Euramerica[J]. Geological Society of America Bulletin, 1987, 98(4): 475～487
[14]	钱奕中, 陈洪德,刘文均.层序地层学理论和研究方法[M].成都: 四川科学技术出版社, 1994. 1～220[Qian Yizhong, Chen Hongde, Liu Wenjun. Theories and methods of sequence stratigraphy[M]. Chengdu: Science and Technology Press, 1994. 1～220]
[15]	林春明,凌洪飞,王淑君等.苏皖地区石炭纪海相碳酸盐岩碳和氧同位素演化规律[J].地球化学,2002,31(5):415～423[Lin Chunming, Ling Hongfei, Wang Shujun, et al. The evolution regularities of carbon and oxygen isotopes in Carboniferous marine carbonate rocks from Jiangsu and Anhui Provinces[J]. Geochimica, 2002, 31(5):415～423 ]
[16]	殷鸿福,童金南.层序地层界面与年代地层界线的关系[J]. 科学通报, 1995, 40(6):539～541[Yan Honghu and Tong Jinnan.The relationship between sequence stratigraphic boundaries and chronostatigraphic lines[J]. Chinese Science Bulletin, 1995, 40(6):539～541
[17]	林春明.杭州湾地区15 000 a以来层序地层学初步研究[J].地质论评,1997,43(3):273～280[Lin Chunming. Sequence stratigraphic study on the Hangzhou Bay since 15 000 a B.P.[J]. Geological Review, 1997,43(3): 273～280]
[18]	Goldhammer R K, Dunn P A, Hardie L A. Depositional cycles, composite sea-level changes, cycle stacking patterns of the hierarchy of stratigraphic forcing:examples from Alpine Triassic platform carbonates[J]. Geological Society of America Bulletin, 1990, 102(5):535～562
[19]	李增学,魏久传,王明镇等.华北南部晚古生代陆表海盆地层序地层格架与海平面变化[J].岩相古地理, 1996, 16(5):1～11[Li Zengxue, Wei Jiuchuan, Wang Mingzhen, et al. Sequence stratigraphic framework and sea-level changes in the Late Palaeozoic epicontinental basin in Northern China[J]. Lithofacies and Paleogeoraphy,1996, 16(5):1～11]
[20]	贾进华,刘焕杰,郭海英.鄂尔多斯盆地西缘晚石炭世沉积体系与高频层序旋回[J]. 沉积学报, 1999, 17 (3):397～402[Jia Jinhua, Liu Huanjie, Guo Yinghai. Late Carboniferous depositional systems and high-resolution sequence cycles of the Western Ordos Basin[J]. Acta Sedimentologica Sinica, 1999, 17 (3):397～402]

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通讯作者: 陈斌, bchen63@163.com

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Study on Outcrop Sequence Stratigraphy of the Carboniferous Strata in Anhui and Jiangsu Province,China

Department of Earth Sciences,State Key Laboratory of Ore Genesis,Nanjing University,Nanjing 210093

Received Date: 2001-10-11

Rev Recd Date: 2002-03-08

Publish Date: 2002-12-10

Key words:

Abstract: The Carboniferous system exposed from Anhui and Jiangsu provinces,has seven Iithogenetic units. Based on outcrop seguence stratigraphic anaIysis with particuIar attention to the key surfaces or poIyphase paIeokarsts deveIoped in the interruptions of sedimentation,nine types of Iithofacies, twenty types of microfacies and eIeven third-order seguences in the Carboniferous system are recognized. The Iower series of Carboniferous strata have six seguences,and the upper series have five. In the Iower series of Carboniferous strata,Yanguan stage are composed of seguence 1 to 2,and Datang stage from seguence 3 to 6.In the up-per series, Weining stage are composed of seguence 7 to 8, and Maping stage from seguence 9 to 11.According to the fea- tures of the bottom boundary surface,eIeven third - order seguences are cIassified into two sorts of seguence , which are type Ⅰseguence and type ". The bottom boundary surface of type ! seguence aII have cIear signs incIuding the differ-ent thickness eIuviums,the strong paIeokarst,the strata discontinutity,the immense changes of sedimentary patterns and traits,the huge and sudden aIternation of carbon and oxygen isotope vaIues and the disappearence and abrupt changes of organism evoIution. The third-order seguences of S2,S3,S5,S6,S7 and S11 beIong to I-type of sedimentary seguence,and S1,S4,S8,S9 and S10 Ⅱ -type. The third-order seguences are absent at times. The characteristics and genesis of each third-order seguences are described and discussed. The third-order se-guences in various paIeogeographic units and sedimentary environment can be correIated. Sea IeveI change rate and am-pIitude corresponding to these third-order seguences are discussed and highstand systems tracts iike Vaii' s marine seguence modei. Because of the difference of basin texture,fauit activity and materiai suppiy,the main controiied factors of seguence styie were different in steep siope,deep-water area and gen-tie siope. The major controiied factor of seguence styie on steep siope was fauit activity and materiai suppiy,and the nearshore subagueous fan was main sedimentary type；the factor controiied seguence styie in deep water area was reiative change of iake ievei,the sedimentary facies was characteristic of shaiiow-deep iake；the factor controiied seguence styie on gentie siope was reiative change of iake ievei and materiai suppiy,fan-deita or river-dominated deita was major sedi-mentary type. Therefore,the seguence modeis were estabiished separateiy on steep siope,deep-water area and gentie siope. A seguence was made up of iowstand,transgressive and highstand systems tracts with topographic break on gentie siope of Luxi depression. Lastiy,authors anaiyzed the condition of hydrocarbon accumuiation in different seguence frame-work,and pointed out that the iowstand and highstand systems tracts of seguence ! were rich in hydrocarbon resource,and were the main section for finding new hidden traps.

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Reference (20)

[1]	王训练,林善园.上扬子地台南缘不同沉积相区上泥盆统和下石炭统沉积层序之对比[J]. 沉积学报,1999,17(3):331～3 338[Wang Xunlian, Lin Shanyuan. Correlation of the Upper Devonian and Lower Carboniferous depositional sequences in the different facies belts on the Southern margin of the Upper Yangtze platform[J]. Acta Sedimentologica Sinica, 1999,17(3):331～3 338]
[2]	彭军,陈洪德,田景春等. 川滇黔桂地区石炭系层序地层研究[J].沉积学报,2000,18(2):190～197[Peng Jun, Chen Hongde, Tian Jingchun, et al. Sequence stratigraphy study on Carbroniferous strata in Sichuan, Yunnan, Guizhou and Guangxi[J]. Acta Sedimentologica Sinica, 2000,18(2):190～197]
[3]	史晓颖,雷振宇,阴家润.珠穆朗玛峰北坡下侏罗统层序地层及沉积相研究[J].地质学报,1996,70(1):73～83[Shi Xiaoying, Lei Zhenyu, Yin Jiarun. Lower Jurassic sequence stratigraphy and sedimentary facies on north slope of the mount Qomolongma[J]. Acta Geologica Sinica, 1996,70(1):73～83]
[4]	王训练. 露头层序地层学研究的几个理论问题[J].中国科学(D辑).1999,29(1):22～30[Wang Xunlian.The theoretic problems in studies on outcrop sequence stratigraphy[J]. Science in China (Series D), 1999,29(1):22～30]
[5]	陈宏明,吴祥和,张瑛等.中国南方石炭纪岩相古地理与成矿作用[M].北京: 地质出版社,1994.1～79[ Chen Hongming,Wu Xianghe,Zhang Ying, et al. Carboniferous lithofacies, paleogeography and mineralization in South Chian[M]. Beijing: Geological Publishing House, 1994. 1～79]
[6]	陈宏明,张瑛.下扬子区石炭纪层序地层与海平面变化[J].华东油气勘查,1997, 15(2):1～11[Chen Hongming, Zhang Yin. The Carboniferous sequence stratigraphy and sea level changes in Lower Yangtze area[J]. Oil and Gas Exploration in Eastern China, 1997, 15(2):1～11]
[7]	夏军,徐家聪.巢湖地区石炭纪地层格架[J]. 安徽地质,1998,8(3): 38～44[Xia Jun, Xu Jiacong. The Carboniferous stratigraphic framework in the Chaohu area[J]. Geology of Anhui,1998,8(3): 38～44]
[8]	陈中强,张海春,李建国.南京附近宁镇山脉下石炭统层序地层特征[J].岩相古地理,1996, 16(5):38～46[Chen Zhongqiang, Zhang Haichun, Li Jianguo. Early Carboniferous sequence stratigraphy and sea-level changes in the Ningzhen Mountain area near Nanjing,Jiangsu[J]. Lithofacies and Paleogeography, 1996, 16(5):38～46]
[9]	刘本培,李儒峰,尤德宏.黔南独山石炭系层序地层及麦粒蜓带冰川型全球海平面变化[J].地球科学,1994, 19(5):553～564[Liu Benpei, Li Rufeng, You Dehong. Carboniferous sequence stratigraphy and glacio-eustasy of Triticites zone in southern Guizhou,China[J]. Earth science-Journal of China University of geosciences,1994,19(5): 553～564]
[10]	王鸿祯,史晓颖. 沉积层序及海平面旋回的分类级别-旋回周期的成因讨论[J].现代地质,1998,12(1):1～16[Wang Hongzhen, Shi Xiaoying. Hierarchy of depositional sequences and eustatic cycles-a discussion on the mechanism of sedimentary cycles[J]. Geoscience, 1998,12(1):1～16]
[11]	林春明,黄志诚,刘家润等.安徽巢湖凤凰山剖面石炭系微相和层序地层特征[J].岩石学报, 2002,18(3):424～433[Lin Chunming, Huang Zhicheng, Liu Jiarun, et al. Carboniferous microfacies and sequence stratigraphy of Fengshan mountain profile in Chaohu of Anhui Province,China[J]. Acta Petrologica Sinica,2002,18(3): 424～433]
[12]	Keith M L, Weber J N. Carbon and oxygen isotopic composition of selected limestones and fossils[J]. Geochimica et Cosmochimica Acta, 1964,18:1 787～1 816
[13]	Veevers J J, Powell C McA. Late Paleozoic glacial episodes in Gondwanaland reflected in transgrressive-regressive depositional sequence in Euramerica[J]. Geological Society of America Bulletin, 1987, 98(4): 475～487
[14]	钱奕中, 陈洪德,刘文均.层序地层学理论和研究方法[M].成都: 四川科学技术出版社, 1994. 1～220[Qian Yizhong, Chen Hongde, Liu Wenjun. Theories and methods of sequence stratigraphy[M]. Chengdu: Science and Technology Press, 1994. 1～220]
[15]	林春明,凌洪飞,王淑君等.苏皖地区石炭纪海相碳酸盐岩碳和氧同位素演化规律[J].地球化学,2002,31(5):415～423[Lin Chunming, Ling Hongfei, Wang Shujun, et al. The evolution regularities of carbon and oxygen isotopes in Carboniferous marine carbonate rocks from Jiangsu and Anhui Provinces[J]. Geochimica, 2002, 31(5):415～423 ]
[16]	殷鸿福,童金南.层序地层界面与年代地层界线的关系[J]. 科学通报, 1995, 40(6):539～541[Yan Honghu and Tong Jinnan.The relationship between sequence stratigraphic boundaries and chronostatigraphic lines[J]. Chinese Science Bulletin, 1995, 40(6):539～541
[17]	林春明.杭州湾地区15 000 a以来层序地层学初步研究[J].地质论评,1997,43(3):273～280[Lin Chunming. Sequence stratigraphic study on the Hangzhou Bay since 15 000 a B.P.[J]. Geological Review, 1997,43(3): 273～280]
[18]	Goldhammer R K, Dunn P A, Hardie L A. Depositional cycles, composite sea-level changes, cycle stacking patterns of the hierarchy of stratigraphic forcing:examples from Alpine Triassic platform carbonates[J]. Geological Society of America Bulletin, 1990, 102(5):535～562
[19]	李增学,魏久传,王明镇等.华北南部晚古生代陆表海盆地层序地层格架与海平面变化[J].岩相古地理, 1996, 16(5):1～11[Li Zengxue, Wei Jiuchuan, Wang Mingzhen, et al. Sequence stratigraphic framework and sea-level changes in the Late Palaeozoic epicontinental basin in Northern China[J]. Lithofacies and Paleogeoraphy,1996, 16(5):1～11]
[20]	贾进华,刘焕杰,郭海英.鄂尔多斯盆地西缘晚石炭世沉积体系与高频层序旋回[J]. 沉积学报, 1999, 17 (3):397～402[Jia Jinhua, Liu Huanjie, Guo Yinghai. Late Carboniferous depositional systems and high-resolution sequence cycles of the Western Ordos Basin[J]. Acta Sedimentologica Sinica, 1999, 17 (3):397～402]

Study on Outcrop Sequence Stratigraphy of the Carboniferous Strata in Anhui and Jiangsu Province,China

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