Migration of the Cambrian and Middle-Lower Ordovician carbonate platform margin and its relation to relative sea level changes in southeastern Tarim Basin

被引：0
|
作者：
He F. [1 ,2 ,3 ]
Lin C. [3 ]
Liu J. [3 ]
Zhang Z. [1 ,2 ]
Zhang J. [4 ]
Yan B. [4 ]
Qu T. [5 ]
机构：
[1] Beijing Research Institute of Uranium Geology, Beijing
[2] CNNC Key Laboratory of Uranium Resource Exploration and Evaluation Technology, Beijing
[3] China University of Geosciences (Beijing), Beijing
[4] Research Institute of Exploration and Development, PetroChina Daqing Oilfield Company, Daqing, 163712, Heilongjiang
[5] Research Institute of Petroleum Exploration and Development, PetroChina, Beijing
来源：
Lin, Changsong (lincs@cugb.edu.cn) | 1600年 / Editorial Department of Oil and Gas Geology卷 / 38期
关键词：
Cambrian; Carbonate rock; Ordovician; Platform margin; Reef-beach complex; Sea level; Sedimentary evolution; Tarim Basin;
D O I：
10.11743/ogg20170408
中图分类号：
学科分类号：
摘要：
A comprehensive analysis on cores, thin sections and logging data is combined with seismic facies, seismic attributes and palaeo geomorphology to identify platform margin and trace the distribution and migration of platform-margin facies belt in southeastern Tarim Basin during different deposition periods of the Cambrian and the Middle and Lower Ordovician. The rock types of platform-margin facies belt are mainly calcarenite, bioclastic limestone, oolitic limestone and micritic limestone. On seismic reflection profiles, platform margin beach facies present as chaotic or blank reflections, and the reef-beach complexes show mound reflection exteriorly and chaotic reflection or blank reflection interiorly. Both the buildup features with increasing stratum thickness caused by rapid growth of large reef-beach complexes, and the steep slope or distal steepening features caused by decreasing stratigraphic thickness in the basin, are indicators of platform margins. The method that uses natural gamma ray spectrometry logging data to identify carbonate lithology and sedimentary energy is combined with the data of organic carbon, carbon and oxygen isotopes, to map the relative sea level changes and their controlling effect upon platform margin migration in different sedimentary periods in southeastern Tarim Basin. Slope-basin facies with under-developed platform margin had dominated the Early Cambrian. With sea level continuously falling during the Middle to Late Cambrian, restricted platform facies started to take shape with edges migrating basin ward. In the Early Ordovician, the platform margin narrowed due to sea level rising during the Penglai Formation deposition and widened as the sea level falling again during the Lower Yingshan Formation deposition. The upper Yingshan Formation experienced rapid transgression which narrowed the platform edge and the lower Yingshanzu Formation went through falling sea level which turned the platform into open ones and widened the platform margin. However, the platform was again submerged as sea level rapidly rising after the deposition of the Yijianfang Formation. © 2017, Editorial Office of Oil and Gas Geology. All right reserved.
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页码：711 / 721
页数：10
相关论文
共 31 条
  • [1] Vail P.R., The stratigraphic signatures of tectonics, eustacy and sedimentology-an overview, Cycles and Events in Stratigraphy, pp. 617-659, (1991)
  • [2] Tucker M.E., Wright V.P., Carbonate Sedimentology, (1990)
  • [3] Sarg J.F., Carbonate sequence stratigraphy, Sea-level Changes:An Integrated Approach, pp. 155-181, (1988)
  • [4] Moore H.C., Carbonate reservoir-porosity evolution and diagenesis in a sequence stratigraphic framework, pp. 74-78, (2001)
  • [5] Goldhammer R.K., Dunn P.A., Hardie L.A., Deposional cycles, composi-te sea-level changes, and the hierarchy of stratigraphic forcing, AAPG Bulletin, 102, 2, pp. 535-562, (1990)
  • [6] Tcherepanov E.N., Droxler A.W., Lapointe P., Et al., Carbonate seismic stratigraphy of the Gulf of Papua mixed depositional system:Neogene stratigraphic signature and eustaticcontrol, Basin Research, 20, 2, pp. 185-209, (2008)
  • [7] Fyhn M.B.W., Boldreel L.O., Nielsen L.H., Tectonic and climatic control on growth and demise of the Phanh Rangcarbonate platform offshore south Vietnam, Basin Research, 21, 2, pp. 225-251, (2009)
  • [8] Gu J., Ma F., Ji L., Types, characteristics and main controlling factors of carbonate platform, Journal of Palaeogeography, 11, 1, pp. 21-27, (2009)
  • [9] Vail P.R., Todd R.G., Sangree J.B., Seismic stratigraphy and global changes of sea level:Part 5. Chronostratigraphic significance of seismic reflections:Section 2. Application of seismic reflection configuration to stratigraphic interpretation, AAPG Bulletin, pp. 99-116, (1977)
  • [10] Qi L., Exploration practice and prospects of giant carbonate field in the Lower Paleozoic of TarimBasin, Oil & Gas Geology, 35, 6, pp. 771-779, (2014)
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