Analysis of Rock Types and Sedimentary Environment of Dengying Formation, Zhenba Area

doi:10.11885/j.issn.1674-5086.2020.02.19.02

Abstract

Abstract: As a high-quality reservoir of the lower assemblage, the Dengying Formation have been proved by the oil and gas exploration. However, the distribution of reservoir is not yet clear. Based on the outcrop of Dengying Formation at Luchi section, Zhenba Area, this paper carries out a detailed study of the sedimentary microfacies. Furthermore, combined with microscopic characteristics, the sedimentary characteristics and genesis of eight types of rocks are sorted out and explained. These rock types include micritic dolostones, residual dolarenite, stromatolite dolostones, thrombolite dolostones, microbe-bonded dolarenite, argillaceous siltstone, argillaceous dolostones and (dolomite-bearing) siliceous rock. The sedimentary environment of Dengying Formation in the study area is open carbonate platform, which has experienced two transgression-regressive cycles.The carbon and oxygen isotope and trace element data indicate that the sedimentary paleoenvironment during deposition of Dengying Formation changed dramatically. On the whole, the deposition period of the Dengying Formation is roughly featured with the decreasement of seawater salinity, increasement of seawater temperature and gradual increasement of oxygen content, but the environmental fluctuations may exist.

Key words: rock microfacies, sedimentary environment, Dengying Formation, Sinian System, Zhenba Area

CLC Number:

TE122

HOU Mingcai, HE Liang, XU Shenglin, TANG Zhijiang. Analysis of Rock Types and Sedimentary Environment of Dengying Formation, Zhenba Area[J]. 西南石油大学学报(自然科学版), 2020, 42(3): 31-42.

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References

[1] 邹才能,杜金虎,徐春春,等. 四川盆地震旦系-寒武系特大型气田分布、资源潜力及勘探发现[J]. 石油勘探与开发, 2014, 41(3):278-293. doi:10.11698/PED.2014.03.03 ZOU Caineng, DU Jinhu, XU Chunchun, et al. Formation, distribution, resource potential and discovery of the Sinian Cambrian giant gas field, Sichuan Basin, SW China[J]. Petroleum Exploration and Development, 2014, 41(3):278-293. doi:10.11698/PED.2014.03.03
[2] 王爱,钟大康,党录瑞,等. 川东地区震旦系灯影组储层特征及其控制因素[J]. 现代地质, 2015, 29(6):1398-1408. doi:10.3969/j.issn.1000-8527.2015.06.014 WANG Ai, ZHONG Dakang, DANG Lurui, et al. Reservoir characteristics and control factors of Sinian Dengying Formation in the Eastern Sichuan Basin[J]. Geoscience, 2015, 29(6):1398-1408. doi:10.3969/j.issn.1000-8527.2015.06.014
[3] 肖凯,时志强,吴冰,等. 川东南地区林1井震旦系灯影组电子探针分析:热液白云岩化过程中的元素变化[J]. 矿物岩石地球化学通报, 2017, 36(2):289-298 doi:10.3969/j.issn.1007-2802.2017.02.012 XIAO Kai, SHI Zhiqiang, WU Bing, et al. Electron microprobe analysis of the permian Sinian Dengying Formation in Well Lin 1, Southeastern Sichuan:Element concentration changing during the hydrothermal dolomitization[J]. Bulletin of Mineralogy Petrology and Geochemistry, 2017, 36(2):289-298. doi:10.3969/j.issn.1007-2802.2017.02.012
[4] 王兴志,侯方浩,方少仙,等. 资阳灯影组二、三段微相组合对储层的控制[J]. 石油与天然气地质, 1998, 19(3):254-261. doi:10.11743/ogg19980315 WANG Xingzhi, HOU Fanghao, FAN Shaoxian, et al. Microfacies assemblages of 2nd and 3rd members of Dengying Formation, Ziyang and their control on reservoirs[J]. Oil & Gas Geology, 1998, 19(3):254-261. doi:10.11743/ogg19980315
[5] 陈娅娜,沈安江,潘立银,等. 微生物白云岩储集层特征、成因和分布——以四川盆地震旦系灯影组四段为例[J]. 石油勘探与开发, 2017, 44(5):503-512. doi:10.11698/PED.2017.05.05 CHEN Yana, SHEN Anjiang, PAN Liyin, et al. Features, origin and distribution of microbial dolomite reservoirs:A case study of 4th Member of Sinian Dengying Formation in Sichuan Basin, SW China[J]. Petroleum Exploration and Development, 2017, 44(5):503-512. doi:10.11698/PED.2017.05.05
[6] 王兴志,黄继祥,侯方浩,等. 四川资阳及邻区震旦系灯影组储层段沉积及沉积地层学特征[J]. 西南石油学院学报, 1996, 18(3):1-9. doi:10.3863/j.issn.10002634.1996.03.001 WANG Xingzhi, HUANG Jixiang, HOU Fanghao, et al. Characteristics of deposition and sequence stratigraphy of reservoir interval in Sinian Dengying Formation in Ziyang and its neighbouring area[J]. Journal of Southwest Petroleum Institute, 1996,18(3):1-9. doi:10.3863/j.issn.10002634.1996.03.001
[7] 施泽进,彭俊,王勇. 川东南地区灯影组储层特征及其控制因素研究[J]. 成都理工大学学报(自然科学版), 2010, 37(1):1-8. doi:10.3969/j.issn.1671-9727.2010.01.001 SHI Zejin, PENG Jun, WANG Yong. Reservoir features and controlling factors of Dengying Formation in Southeast Sichuan, China[J]. Journal of Chengdu University of Technology (Science & Technology Edition), 2010, 37(1):1-8. doi:10.3969/j.issn.1671-9727.2010.01.001
[8] 刘静江,李伟,张宝民,等. 上扬子地区震旦纪沉积古地理[J]. 古地理学报, 2015, 17(6):735-753. doi:10.7605/gdlxb.2015.06.061 LIU Jingjiang, LI Wei, ZHANG Baomin, et al. Sedimentary palaeogeography of the Sinian in Upper Yangtze Region[J]. Journal of Palaeogeography, 2015, 17(6):735-753. doi:10.7605/gdlxb.2015.06.061
[9] 赵东方,胡广,张文济,等. 渝北巫溪鱼鳞剖面灯影组鲕粒沉积特征及其地质意义[J]. 地质论评, 2018, 64(1):191-202. doi:10.16509/j.georeview.2018.01.014 ZHAO Dongfang, HU Guang, ZHANG Wenji, et al. Sedimentary characteristics of ooids of Sinian Dengying Formation on the Yulin Section in Wuxi, Chongqing, and geological implications[J]. Geological Review, 2018, 64(1):191-202. doi:10.16509/j.georeview.2018.01.014
[10] 刘树根,王一刚,孙玮,等. 拉张槽对四川盆地海相油气分布的控制作用[J]. 成都理工大学学报(自然科学版),2016,43(1):1-23. doi:10.3969/j.issn.1671-9727.2016.01.01 LIU Shugen, WANG Yigang, SUN Wei, et al. Control of intracratonic sags on the hydrocarbon accumulations in the marine strata across the Sichuan Basin, China[J]. Journal of Chengdu University of Technology (Science & Technology Edition), 2016, 43(1):1-23. doi:10.3969/j.issn.16719727.2016.01.01
[11] 洪海涛,谢继容,吴国平,等. 四川盆地震旦系天然气勘探潜力分析[J]. 天然气工业, 2011, 31(11):37-41. doi:10.3787/j.issn.1000-0976.2011.11.010 HONG Haitao, XIE Jirong, WU Guoping, et al. Potential of gas exploration in the Sinian reservoirs, Sichuan Basin[J]. Natural Gas Industry, 2011, 31(11):37-41. doi:10.3787/j.issn.1000-0976.2011.11.010
[12] 胡方杰,张殿伟,田海芹. 川北秦岭地区震旦-寒武纪岩相古地理研究新认识[J]. 沉积学报, 2014, 32(1):1-7. doi:10.14027/j.cnki.cjxb.2014.01.002 HU Fangjie, ZHANG Dianwei, TIAN Haiqin. New views on the lithofacies palaeogeography of Northern Sichuan Basin and Qinling Area during the Sinian Cambrian[J]. Acta Sedimentologica Sinica, 2014, 32(1):1-7. doi:10.14027/j.cnki.cjxb.2014.01.002
[13] 陈宗清. 四川盆地震旦系灯影组天然气勘探[J]. 中国石油勘探, 2010, 4(1):1-14. doi:10.3969/j.issn.16727703.2010.04.001 CHEN Zongqing. Gas exploration in Sinian Dengying Formation, Sichuan Basin[J]. China Petroleum Exploration, 2010, 4(1):1-14. doi:10.3969/j.issn.1672-7703.2010.04.001
[14] XU Bei, JIAN Ping, ZHENG Haifei, et al. U-Pb zircon geochronology and geochemistry of neoproterozoic volcanic rocks in the Tarim Block of Northwest China:Implications for the breakup of Rodinia supercontinent and Neoproterozoic glaciations[J]. Precambrian Research, 2005, 136(2):107-123. doi:10.1016/j.precamres.2004.09.007
[15] FLUGEL E. Microfacies of carbonate rocks:Analysis, interpretation and application[M]. New York:Springer Verlag, 2013.
[16] SHINN E A. Birdseyes, fenestrae, shrinkage pores, and loferites:A reevaluation[J]. Journal of Sedimentary Research, 1983, 53(2):619-628. doi:10.1306/212F82472B24-11D7-8648000102C1865D
[17] TUCKER M E. Sedimentary rocks in the field[M]. 3rd ed. Chinchester:John Wiley and Sons, 2003.
[18] 宋金民,罗平,杨式升,等. 塔里木盆地苏盖特布拉克地区下寒武统肖尔布拉克组碳酸盐岩微生物建造特征[J]. 古地理学报, 2012, 14(3):341-354. doi:10.7605/gdlxb.2012.03.008 SONG Jinmin, LUO Ping, YANG Shisheng, et al. Carbonate rock microbial construction of the Lower Cambrian Xiaoerblak Formation in Sugaitblak Area, Tarim Basin[J]. Journal of Palaeogeography, 2012, 14(3):341-354. doi:10.7605/gdlxb.2012.03.008
[19] BOSE P K, SARKAR S, ERIKSSON P G, et al. Microbial mat mediated structures in the Ediacaran Sonia Sandstone, Rajasthan, India, and their implications for Proterozoic sedimentation[J]. Precambrian Research, 2008, 162(12):248-263. doi:10.1016/j.precamres.2007.07.019
[20] RIDING R. Microbial carbonates:The geological record of calcified bacterial-algal mats and biofilms[J]. Sedimentology, 2000, 47:179-214. doi:10.1046/j.1365-3091.2000.00003.x
[21] DUPRAZ C, REID R P, BRAISSANT O, et al. Processes of carbonate precipitation in modern microbial mats[J]. Earth-Science Reviews, 2009, 96(3):141-162. doi:10.1016/j.earscirev.2008.10.005
[22] 钱迈平. 苏、皖北部震旦纪叠层石及其沉积环境学意义[J]. 古生物学报, 1991, 30(5):616-629. doi:10.19800/j.cnki.aps.1991.05.008 QIAN Maiping. Environmental significance of Sinian algal stromatolites in Northern Jiangsu and Anhui, China[J]. Acta Palaeontologica Sinica, 1991, 30(5):616-629. doi:10.19800/j.cnki.aps.1991.05.008
[23] 钱迈平,袁训来,徐学思,等. 徐淮地区新元古代叠层石组合[J]. 古生物学报, 2002, 41(3):403-418. doi:10.3969/j.issn.0001-6616.2002.03.009 QIAN Maiping, YUAN Xunlai, XU Xuesi, et al. An assemblage of the neoproterozoic stromatolites from the Xuzhou-Huainan Region[J]. Acta Palaeontologica Sinica, 2002, 41(3):403-418. doi:10.3969/j.issn.0001-6616.2002.03.009
[24] WATTERS W A, GROTZINGER J P, SCHRODER S, et al. Digital characterization of thrombolite-stromatolite reef distribution in a carbonate ramp system terminal Proterozoic, Nama Group, Namibia[J]. AAPG Bulletin, 2005, 89(10):1293-1318. doi:10.1306/06160505005
[25] 温志峰,钟建华,李勇,等. 叠层石成因和形成条件的研究综述[J]. 高校地质学报, 2004, 10(3):418-428. doi:10.3969/j.issn.1006-7493.2004.03.012 WEN Zhifeng, ZHONG Jianhua, LI Yong, et al. Current study on genesis and formation conditions of stromatolites[J]. Geological Journal of China Universities, 2004, 10(3):418-428. doi:10.3969/j.issn.1006-7493.2004.03.012
[26] 韩作振,陈吉涛,迟乃杰,等. 微生物碳酸盐岩研究:回顾与展望[J]. 海洋地质与第四纪地质, 2009, 29(4):29-38. doi:10.3724/SP.J.1140.2009.04029 HAN Zuozhen, CHEN Jitao, CHI Naijie, et al. Microbial carbonates:A review and perspectives[J]. Marine Geology & Quaternary Geology, 2009, 29(4):29-38. doi:10.3724/SP.J.1140.2009.04029
[27] MOUNT J F. Mixing of siliciclastic and carbonate sediments in shallow shelf environments[J]. Geology, 1984, 12(7):432-435. doi:10.1130/0091-7613(1984)12<432:MOSACS>2.0.CO;2
[28] LONGHITANO S G, CHIARELLA D. Distinguishing depositional environments in shallow-water mixed, biosiliciclastic deposits on the basis of the degree of heterolithic segregation (Gelasian, Southern Italy)[J]. Journal of Sedimentary Research, 2012, 82(12):969-990. doi:10.2110/jsr.2012.78
[29] MAZUMDAR A, BANERJEE D M. Siliceous sponge spicules in the Early Cambrian chert-phosphorite member of the Lower Tal Formation, Krol Belt, Lesser Himalaya[J]. Geology, 1998, 26(10):899-902. doi:10.1130/0091-7613(1998)026.2.3
[30] 马文辛,刘树根,黄文明,等. 渝东地区震旦系灯影组硅质岩结构特征与成因机理[J]. 地质学报, 2014, 88(2):239-253. doi:10.3969/j.issn.0001-5717.2014.02.007 MA Wenxin, LIU Shugen, HUANG Wenming, et al. Fabric characteristics and formation mechanism of chert in Sinian Dengying Formation, Eastern Chongqing[J]. Acta Geologica Sinica, 2014, 88(2):239-253. doi:10.3969/j.issn.0001-5717.2014.02.007
[31] 唐世荣,王东安,李任伟. 湘川地区震旦-寒武系硅岩的有机岩石学研究[J]. 沉积学报, 1997, 15(1):54-59. doi:10.14027/j.cnki.cjxb.1997.01.010 TANG Shirong, WANG Dongan, LI Renwei. Organic petrology of the Cambrian Sinian chert from the Xiangchuan Region[J]. Acta Sedimentologica Sinica, 1997, 15(1):54-59. doi:10.14027/j.cnki.cjxb.1997.01.010
[32] NOTHDURFT L D, WEBB G E, KAMBER B S. Rare earth element geochemistry of Late Devonian reefal carbonates, Canning Basin, Western Australia:Confirmation of a seawater REE proxy in ancient limestones[J]. Geochimica et Cosmochimica Acta, 2004, 68:263-283 doi:10.1016/S0016-7037(03)00422-8
[33] ZHAO Dongfang, HU Guang, WANG Lichao, et al. Sedimentary characteristics and origin of dolomitic ooids of the terminal Ediacaran Dengying Formation at Yulin(Chongqing, South China)[J]. Palaeogeography, 2020, 544:31-44. doi:10.1016/j.palaeo.2020.109601
[34] KAUFMAN A J, KNOLL A H. Neoproterozoic variations in the C-isotopic composition of seawater:Stratigraphic and biogeochemical implications[J]. Precambrian Research, 1995, 73(1):27-49. doi:10.1016/0301-9268(94)00070-8
[35] SHIELDS G, STILLE P. Diagenetic constraints on the use of cerium anomalies as palaeoseawater redox proxies:An isotopic and REE study of Cambrian phosphorites[J]. Chemical Geology, 2001, 175:29-48. doi:10.1016/s0009-2541(00)00362-4
[36] DEGENS E T, EPSTEIN S. Relationship between 18O/16O ratios in coexisting carbonates, cherts and diatomites[J]. AAPG Bulletin, 1962, 46(4):534-542. doi:10.1306/BC743841-16BE-11D7-8645000102C1865D
[37] KEITH M L, WEBER J N. Carbon and oxygen isotopic composition of selected limestones and fossil[J]. Geochim Cismoch Acta, 1964, 28:1787-1816. doi:10.1016/00167037(64)90022-5
[38] 冯洪真,刘家润,施贵军. 湖北宜昌地区寒武系-下奥陶统的碳氧同位素记录[J]. 高校地质学报,2000,6(1):106-115. doi:10.3969/j.issn.1006-7493.2000.01.012 FENG Hongzhen, LIU Jiarun, SHI Guijun. Records of carbon and oxygen isotopes from the Cambrian and Lower Ordovician carbonates in Yichang Area, Hubei Province[J]. Geological Journal of China Universities, 2000, 6(1):106-115. doi:10.3969/j.issn.1006-7493.2000.01.012
[39] UREY H C. The thermodynamic properties of isotopic substances[J]. Journal of the Chemical Society, 1947:562-581. doi:10.1039/JR9470000562
[40] JAFFRÉS J B, SHIELDS G A, WALLMANN K. The oxygen isotope evolution of seawater:A critical review of a long-standing controversy and an improved geological water cycle model for the past 3.4 billion years[J]. EarthScience Reviews, 2007, 83(12):83-122. doi:10.1016/j.earscirev.2007.04.002
[41] 罗贝维,魏国齐,杨威,等. 四川盆地晚震旦世古海洋环境恢复及地质意义[J]. 中国地质, 2013, 40(4):1009-1111. doi:10.3969/j.issn.1000-3657.2013.04.009 LUO Beiwei, WEI Guoqi, YANG Wei, et al. Reconstruction of the Late Sinian paleo-ocean environment in Sichuan Basin and its geological significance[J]. Chinese Geology, 2013, 40(4):1009-1111. doi:10.3969/j.issn.1000-3657.2013.04.009
[42] ALIBO D S, NOZAKI Y. Rare earth elements in seawater:Particle association, shale-normalization, and Ce oxidation[J]. Geochimica et Cosmochimica Acta, 1999, 63(3-4):363-372. doi:10.1016/S0016-7037(98)00279-8
[43] LAWRENCE M G, GREIG A, COLLERSON K D, et al. Rare earth element and Yttrium variability in Southeast Queensland waterways[J]. Aquatic Geochemistry, 2006, 12:39-72. doi:10.1007/s10498-005-4471-8