Volume 95, Issue 1 pp. 177-191
Original Article
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Development of the Miocene Guangle Carbonate Platform in the South China Sea: Architecture and Controlling Factors

Zhen YANG

Zhen YANG

Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou, 510075 China

Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458 China

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Xuelin LI

Xuelin LI

Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou, 510075 China

Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458 China

Laboratory of Marine Geophysics and Georesource, Institute of Deep Sea Science and Engineering, Chinese Academy of Sciences, Sanya, Hainan, 572000 China

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Lei HUANG

Lei HUANG

Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou, 510075 China

Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458 China

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Liaoliang WANG

Liaoliang WANG

Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou, 510075 China

Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458 China

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Shiguo WU

Corresponding Author

Shiguo WU

Laboratory of Marine Geophysics and Georesource, Institute of Deep Sea Science and Engineering, Chinese Academy of Sciences, Sanya, Hainan, 572000 China

Laboratory for Marine Geology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, Shandong, 266061 China

Corresponding author. E-mail: [email protected]Search for more papers by this author
Xinyuan ZHANG

Xinyuan ZHANG

Laboratory for Marine Geology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, Shandong, 266061 China

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First published: 08 January 2021
Citations: 8

About the first author:

YANG Zhen, male, born in 1984 in Heze City, Shandong Province; doctor; graduated from Institute of Oceanology, Chinese Academy of Sciences; senior engineer of Guangzhou Marine Geological Survey. He is now interested in the study on architecture and development of carbonate platform. Email: [email protected].

About the corresponding author:

WU Shiguo, male, born in 1963 in Xiangyang City, Hubei Province; received a Ph.D. in geology from University of Hamburg, Germany; he is the head of marine geophysics and seafloor georesource at the Sanya Institute of Deep Sea Science and Engineering, Chinese Academy of Sciences. His research interests include sedimentology and sequence stratigraphy; well-log sequence stratigraphy; depositional facies and prediction of physical properties of reservoirs; tectonics of the passive margin and subduction zone; and reflection seismic data processing, inversion, and interpretation. Email: [email protected].

Abstract

This study investigates the evolution of the Miocene Guangle carbonate platform (or Triton Horst) of the northwestern South China Sea margin. The platform is located at a junction area surrounded by Yinggehai basin, Qiongdongnan basin and Zhongjiannan basin. Well and regional geophysical data allow the identification of the morphologic and stratigraphic patterns. The Guangle carbonate platform was initiated on a tectonic uplift during the Early Miocene. The early platform was limited at Mesozoic granitic basement, pre-Paleogene sediments localized tectonic uplift and was small extension at the beginning stage. While during the Middle Miocene, the carbonate buildup flourished, and grow a thrived and thick carbonate succession overlining the whole Guangle Uplift. The isolated platforms then united afterward and covered an extensive area of several tens of thousands of square kilometers. However, it terminated in the Late Miocene. What are the control factors on the initiation, growth and demise of the Guangle carbonate platform? The onset of widespread carbonate deposits largely reflected the Early Miocene transgression linked with early post-rift subsidence and the opening of the South China Sea. Stressed carbonate growth conditions on the Guangle carbonate platform probably resulted from increased inorganic nutrient input derived from the adjacent uplifted mainland, possibly enhanced by deteriorated climatic conditions promoting platform drowning. Therefore, tectonics and terrigenous input could be two main controlling factors on the development of the Guangle carbonate platforms and main evolution stages.

 

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