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The Evolution of the South China Sea Basin in the Mesozoic–Cenozoic and Its Significance for Oil and Gas Exploration: A Review and Overview

By
Fengli Yang
Fengli Yang
School of Ocean and Earth Science, Tongji University, 1239 Siping Rd. Shanghai, 200092, China (e-mails: yangfl@tongji.edu.cn; sun_zhuan2008@163.com; zhouzy@tongji.edu.cn)
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Zhuan Sun
Zhuan Sun
School of Ocean and Earth Science, Tongji University, 1239 Siping Rd. Shanghai, 200092, China (e-mails: yangfl@tongji.edu.cn; sun_zhuan2008@163.com; zhouzy@tongji.edu.cn)
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Zuyi Zhou
Zuyi Zhou
School of Ocean and Earth Science, Tongji University, 1239 Siping Rd. Shanghai, 200092, China (e-mails: yangfl@tongji.edu.cn; sun_zhuan2008@163.com; zhouzy@tongji.edu.cn)
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Zhe Wu
Zhe Wu
School of Ocean and Earth Science, Tongji University, 1239 Siping Rd. Shanghai, 200092, China (e-mails: yangfl@tongji.edu.cn; sun_zhuan2008@163.com; zhouzy@tongji.edu.cn)
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Dengliang Gao
Dengliang Gao
Department of Geology and Geography, West Virginia University, 98 Beechurst Ave. Morgantown, West Virginia, 26506, U.S.A. (e-mail: dengliang.gao@wvu.edu)
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Qianyu Li
Qianyu Li
State Key Laboratory of Marine Geology, Tongji University, 1239 Siping Rd. Shanghai, 200092, China (e-mail: qli01@tongji.edu.cn)
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Published:
January 01, 2013

Abstract

The greater South China Sea (SCS) Basin is composed of basins of different generations and styles. These polyhistory basins formed in complicated geologic settings and evolved through different tectonic regimes. Based on a classical basin classification scheme and data from previous studies, we summarize the evolution of tectonic environments of the SCS in the Mesozoic-Cenozoic into a Late Triassic-middle Eocene divergent-convergent cycle and a late Eocene-present divergent-convergent cycle. The two cycles are in turn composed of four evolutionary phases, which are (1) Late Triassic-Middle Jurassic divergent continental margin setting, (2) Late Jurassic-middle Eocene convergent intracontinentalsetting, (3) late Eocene-Miocene divergent continental margin setting, and (4) Pliocene present convergent continental margin setting. We identify temporal sequence and spatialdistribution of major polyhistory basins in the SCS associated with the four basin evolutionary phases in the two tectonic cycles. Each basin corresponds to a specific pressure, space, and temperature, and overprinting of the basin caused changes in pressure, space, and temperature with time. Unraveling this complex and dynamic nature of the polyhistory basins can be instrumental in assessing the hydrocarbon potential and exploration risk in the SCS.

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Contents

AAPG Memoir

Tectonics and Sedimentation: Implications for Petroleum Systems

Dengliang Gao
Dengliang Gao
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American Association of Petroleum Geologists
Volume
100
ISBN electronic:
9781629810010
Publication date:
January 01, 2013

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