IGGCAS OpenIR  > 油气资源研究院重点实验室
Presenting Meso-Cenozoic seismic sequential stratigraphy of the Offshore Indus Basin Pakistan
Khan, Majid1,2; Liu, Yike3,4; Din, Syed Zaheer Ud2,5
2020-03-01
Source PublicationPHYSICS OF THE EARTH AND PLANETARY INTERIORS
ISSN0031-9201
Volume300Pages:22
AbstractPreserved deformed depositional sequences along passive continental margins are important repositories of natural resources as well as key laboratories for understanding rift-drift tectonics. With better post signal processing schemes, interpretation techniques, and potential data, imaging sedimentary basins along these margins has reached unique levels of refinement. This, in turn, has led to considerable improvement in unfolding the complex tectono-sedimentary history since rifting to basin development. In this paper, deep reflection seismic coupled with well data and biostratigraphic information have been used to decipher the third-order depositional sequences of Meso-Cenozoic succession in western parts of the Indian Plate Passive Continental Margin (Offshore Indus Basin) as pioneer research. Based on morpho-tectonic considerations, the depositional sequences are divided into syn-rift, passive margin, and post-rift stages deformed by steeply dipping normal faults. Using the principles of classic sequence stratigraphy, five third-order mappable depositional sequences have been recognized on seismic records that are controlled by regional tectonics and sea-level fluctuations coupled with sedimentation type and rates in the region. The associated system tracts were recognized and mapped based on genetic reflection terminations on seismic profiles and log motifs, and constraint surfaces include sequence boundaries (SBs), maximum flooding surfaces (MFSs) and transgressive surfaces (TSs). The depositional systems encompass lowstand system tracts (LSTs), transgressive system tracts (TSTs), and highstand system tracts (HSTs). The LSTs are composed of shallowing-upward lowstand deltas or terraces prograding in the basin-ward direction while pinches out landward at preceding depositional shoreline breaks. The sand units of TSTs are interpreted as shoreface sands deposited in the shelfal part during rising sea-levels and HSTs are characterized by coarsening and shallowing upward intervals, with both fluvial and laterally prograding deltaic deposits. A hydrocarbon entrapment model is proposed suggesting an interesting petroleum trap. Based on the entire course of this research, valuable recommendations have been made for answering past exploration failures and future efforts. Such studies can be applied to worldwide passive margins dominated by third-order sequences with complex sediments-tectonic interplay.
KeywordDepositional sequences Seismic stratigraphy Parasequences Continental margins Offshore Indus Pakistan
DOI10.1016/j.pepi.2020.106431
Funding OrganizationYoung Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences)
WOS KeywordLARGER FORAMINIFERAL BIOSTRATIGRAPHY ; INDIAN-OCEAN ; CARBONATE PLATFORM ; BREAKUP ; EVOLUTION ; SEQUENCES ; FAN ; CONSTRAINTS ; GONDWANA ; TERTIARY
Language英语
Funding ProjectYoung Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences)[2019BSHZ006]
Funding OrganizationYoung Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences) ; Young Doctors Cooperation Fund, Qilu University of Technology (Shandong Academy of Sciences)
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000526829900008
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95566
Collection油气资源研究院重点实验室
Corresponding AuthorKhan, Majid
Affiliation1.Univ Sci & Technol Beijing, Sch Civil & Resource Engn, Beijing 100083, Peoples R China
2.Qilu Univ Technol, Int Sch Optoelect Engn, Shandong Acad Sci, Jinan 250353, Peoples R China
3.Chinese Acad Sci, Key Lab Petr Resource Res, Inst Geol & Geophys, Beijing 100029, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resource Res, Beijing 100029, Peoples R China
5.Qilu Univ Technol, Shandong Acad Sci, Jinan 250353, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Khan, Majid,Liu, Yike,Din, Syed Zaheer Ud. Presenting Meso-Cenozoic seismic sequential stratigraphy of the Offshore Indus Basin Pakistan[J]. PHYSICS OF THE EARTH AND PLANETARY INTERIORS,2020,300:22.
APA Khan, Majid,Liu, Yike,&Din, Syed Zaheer Ud.(2020).Presenting Meso-Cenozoic seismic sequential stratigraphy of the Offshore Indus Basin Pakistan.PHYSICS OF THE EARTH AND PLANETARY INTERIORS,300,22.
MLA Khan, Majid,et al."Presenting Meso-Cenozoic seismic sequential stratigraphy of the Offshore Indus Basin Pakistan".PHYSICS OF THE EARTH AND PLANETARY INTERIORS 300(2020):22.
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