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Development and controlling factors of Miocene carbonate platform in the Nam Con Son Basin, southwestern South China Sea
被引:19
作者:
Lu, Caili
[1
,2
]
Wu, Shiguo
[2
]
Yao, Yongjian
[3
]
Fulthorpe, Craig S.
[4
]
机构:
[1] China Natl Offshore Oil Corp Res Inst, Beijing 100027, Peoples R China
[2] Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
[3] Guangzhou Marine Geol Survey, Guangzhou 510075, Guangdong, Peoples R China
[4] Univ Texas Austin, Inst Geophys, John A & Katherine G Jackson Sch Geosci, Austin, TX 78758 USA
关键词:
Carbonate platform development;
Nam Con Son basin;
South China Sea;
OFFSHORE PALAWAN;
SEQUENCE STRATIGRAPHY;
CENOZOIC CARBONATES;
CENTRAL VIETNAM;
CUU-LONG;
!text type='JAVA']JAVA[!/text] SEA;
EVOLUTION;
ASIA;
INDONESIA;
BUILDUPS;
D O I:
10.1016/j.marpetgeo.2013.04.014
中图分类号:
P [天文学、地球科学];
学科分类号:
07 ;
摘要:
Miocene carbonate platforms are located on intrabasinal structural highs and along the southern margin of the Nam Con Son Basin (also referred to as the Wanan Basin by Chinese), southwestern South China Sea. These isolated platforms together cover a gross area of over 25,000 km(2). We map the platforms, reconstruct their evolution, and evaluate the controls on platform growth and demise within the regional geological setting using available seismic and well data. The platforms initiated in the late Early Miocene and reached their widest extent during the Middle Miocene. The platform margins were controlled by synsedimentary faults, associated with carbonate slope failure deposits and/or reef talus. The platforms formed as isolated platform. Platform growth history involves six phases: start-up, second start-up, keep-up, exposure, renewal and drowning phases. Quantitative analysis of the basin evolution indicates that tectonism, eustasy, the supply of both terrigenous sediment and nutrients were the dominant controls on platform development and demise. (C) 2013 Elsevier Ltd. All rights reserved.
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页码:55 / 68
页数:14
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