Depositional environments of the Miocene sediments in northern Song Hong basin

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    Vietnam Petroleum Institute, Hanoi, Vietnam

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  • Nhận bài: 18-08-2022
  • Sửa xong: 23-11-2022
  • Chấp nhận: 30-12-2022
  • Ngày đăng: 01-02-2023
Trang: 10 - 21
Lượt xem: 2331
Lượt tải: 29
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Tóm tắt:

Northern Song Hong Tertiary Sedimentary basin is a classic case study of a pull-apart basin in southeast Asia, whose formation was controlled by the India-Eurasia collision, sinistral and dextral strike-slip motion of the Ailao Shan-Red River Shear Zone and Opening of the East Vietnam Sea during the Cenozoic. Unlike the central and southern parts of the basin, the northern Song Hong Basin experienced a very strong inversion during the Late Miocene. This rapid uplift of the region has led to significantly change in lithofacies and sedimentary environments, which are now still poorly understood. This uncertainty is considered one of the main challingings in prediction of the non-structural traps in the region. The recent results derived from well logging and 2D/3D seismic interpretation allowed us to define the Miocene formation in northern Song Hong basin, which are subdivided into three substrata, namely: the Lower, Middle and Upper stratum, which are characterized by typical characteristics of lithology and depositional environments. The Lower Miocene formation is dominated by deltaic environment at the bottom, transitioning to the overlying shelf environment. Lithology of the section varies from coarse-grained sediment (sandstone) to fine grained material such as shale and mudstone upward; The Middle Miocene stratum demonstrate sandier, coalic materials of the delta plain and delta front environments intercalated with swampy shale. In contrast, the Upper Miocene section is characterized by more fluvial and nearshore elements. It is illustrated by presence of the channel-filled sand bodies and mouth/longshore sand bars. These sand bodies demonstrate good porosity and horizontal permeability, which are considered to be good potential reservoir for both structural and non-structural traps in the Miocene formation.

Trích dẫn
Cuong Duy Tong, Long Van Hoang, Dung Viet Bui, Huyen Dieu Thi Pham và Tung Thanh Nguyen, 2023. Depositional environments of the Miocene sediments in northern Song Hong basin, Tạp chí Khoa học kỹ thuật Mỏ - Địa chất, số 64, kỳ 1, tr. 10-21.
Tài liệu tham khảo

Clift, P.D., Sun, Z. (2006). The sedimentary and tectonic evolution of the Yinggehai-Song Hong basin and the southern Hainan margin, South China Sea; implications for Tibetan uplift and monsoon intensification. Journal of Geophysical Research 111 (B6, 28).

Dix, C. H. (1955). Seismic velocities from surface measurements. Geophysics, 20, 68-86.

Hoang, B. H., Fyhn, M. B., Cuong, T. D., Tuan, N. Q., Schmidt, W. J., Boldreel, L. O., ... and Cuong, T. X. (2020). Paleogene structural development of the northern Song Hong basin and adjacent areas: Implications for the role of extrusion tectonics in basin formation in the Gulf of Tonkin. Tectonophysics, 789, 228522.

Hoang, L.V., Clift, P. D., Schwab, A. M., Huuse, M., Nguyen, D. A., and Zhen, S. (2010). Large-scale erosional response of SE Asia to monsoon evolution reconstructed from sedimentary records of the Song Hong-Yinggehai and Qiongdongnan basins, South China Sea. Geological Society, London, Special Publications, 342(1), 219-244.

Lee, T.Y., Lawver, L. A. (1994). Cenozoic plate reconstruction of the South China Sea region. Tectonophysics 235, 149-180.

Petronas Carigali. (2006)., Sequence Stratigraphy of  Blocks 102and106, Song Hong basin. In-house study report.

Selley, R. C., Cocks, L. R. M., and Plimer, I. R. (2005). Encyclopedia of geology. Elsevier Academic.

Tapponnier, P., Peltzer, G., Le Dain, A.Y., Armijo, R., Cobbold, P., (1982). Propagating extrusion tectonics in Asia: New insights from simple experiments with plasticine. Geology 10(12): 611-616.

Vail, P. R., Mitchum, R. M., and Thompson, S. I. I. I. (1977). Seismic stratigraphy and global changes of sea level, part 3: relative changes of sea level from coastal onlap. vol. 26, (eds.) C. E. Payton. American Association of Petroleum Geologists, 49-212.

Veenken, P. C. H. (2007). Seismic Stratigraphy, Basin Aanlysis and Reservoir Characterisation, 37, 1st ed. Elsevier, Oxford, 509 pp.

Walker, R. G., and James, N. P. (1992). Facies models: response to sea level change: Geological Association of Canada, St. John’s, Newfoundland.