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The impact of eustatic sea-level fluctuations, temperature variations and nutrient-level changes since the Pliocene on tropical carbonate platform (Xisha Islands, South China Sea)
Wu, Feng1,2; Xie, Xinong1; Betzler, Christian2; Zhu, Weilin3; Zhu, Youhua4; Guo, Laiyuan5; Ma, Zhaoliang4; Bai, Huaqing2; Ma, Benjun6
2019-01-15
Source PublicationPALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
Volume514Issue:1Pages:373-385
Abstract

Sedimentological, paleontological, and geochemical data from core XK-1 in the Xisha Islands, South China Sea, allow a detailed documentation of the evolution of the reef-bank system from the early Pliocene to the late Pleistocene and of the aeolianite deposits from the late Pleistocene to the Holocene. A bank characterized by heterozoan carbonates occurred until 1.7 Ma. Between 1.7 and 0.2 Ma, the system turned into a reef dominated by photozoan carbonates. After 0.2 Ma, the aeolianite deposits, composed of heterozoan skeletal grains, occupied this area. A Pliocene to Pleistocene decrease in the abundance of planktonic foraminifera and some benthic foraminifer species generally associated with deep water settings indicates a long-term shallowing-upwards trend, resulting from the large-scale eustatic sea-level falls. Seven exposure horizons are recorded in core XK-1, due to high-frequency sea-level changes. The thickness of the reef body in the individual cycles increased after the Middle Pleistocene transition. This is interpreted as a consequence of the increase in duration of the short-term sea-level highstands. The formation of heterozoan aeolianite deposits after 0.2 Ma is probably caused by climate cooling, related with the intensification of East Asian winter monsoon. The rapid increase in coral abundance at similar to 1.7 Ma correlates well with a sharp decline in nutrient level, recorded by decreases in geo-chemical nutrient indexes values, declines in bryozoan and red algae (rhodolith) abundance, and decreases in the abundance of foraminifer species indicative of elevated nutrient-level. This correlation indicates that the carbonate factory turnovers were also affected by nutrient-level fluctuations, which could be linked to a paleoceanographic reorganization. These results demonstrate that together with sea-level fluctuations, also paleoceanographic changes had a significant effect on the Pliocene-Holocene tropical carbonate system.

KeywordCarbonate Factory Cooling Event Nutrient Middle Pleistocene Transition
DOI10.1016/j.palaeo.2018.10.013
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China ; National Key Projects of Oil and Gas ; National Natural Science Foundation for Young Scientists of China ; China Scholarship Council
Language英语
Funding ProjectNational Natural Science Foundation of China[91528301] ; National Natural Science Foundation of China[41606074] ; National Key Projects of Oil and Gas[2017ZX05026-005] ; National Natural Science Foundation for Young Scientists of China[41202086] ; China Scholarship Council
WOS KeywordGulf-of-california ; Pacific Warm Pool ; Planktonic-foraminifera ; Surface Temperatures ; Late Miocene ; Record ; Ocean ; Reefs ; Sediments ; Basin
WOS Research AreaPhysical Geography ; Geology ; Paleontology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS IDWOS:000456355800028
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.idsse.ac.cn/handle/183446/6687
Collection深海科学研究部_深海地球物理与资源研究室
Corresponding AuthorXie, Xinong
Affiliation1.China Univ Geosci, Coll Marine Sci & Technol, Wuhan 430074, Hubei, Peoples R China
2.Univ Hamburg, Inst Geol, Bundesstr 55, D-20146 Hamburg, Germany
3.China Natl Offshore Oil Corp Ltd, Beijing 100010, Peoples R China
4.Nanjing Inst Geol & Palaeontol, CAS Key Lab Econ Stratig & Palaogeog, Nanjing 210008, Jiangsu, Peoples R China
5.Enter Tech Drilling & Prod Co, China Natl Offshore Oil Corp, Zhanjiang Branch, Zhanjiang 524057, Peoples R China
6.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Lab Marine Geophys & Georesource, Sanya 572000, Peoples R China
Recommended Citation
GB/T 7714
Wu, Feng,Xie, Xinong,Betzler, Christian,et al. The impact of eustatic sea-level fluctuations, temperature variations and nutrient-level changes since the Pliocene on tropical carbonate platform (Xisha Islands, South China Sea)[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2019,514(1):373-385.
APA Wu, Feng.,Xie, Xinong.,Betzler, Christian.,Zhu, Weilin.,Zhu, Youhua.,...&Ma, Benjun.(2019).The impact of eustatic sea-level fluctuations, temperature variations and nutrient-level changes since the Pliocene on tropical carbonate platform (Xisha Islands, South China Sea).PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,514(1),373-385.
MLA Wu, Feng,et al."The impact of eustatic sea-level fluctuations, temperature variations and nutrient-level changes since the Pliocene on tropical carbonate platform (Xisha Islands, South China Sea)".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 514.1(2019):373-385.
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