The spatial discrepancy of Holocene transgression in north Beibu Gulf of Guangxi coastline

Liu Tao; Li Guangzhao

doi:10.3969/j.issn.0253-4193.2015.03.007

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Liu Tao, Li Guangzhao. The spatial discrepancy of Holocene transgression in north Beibu Gulf of Guangxi coastline[J]. Haiyang Xuebao, 2015, 37(3): 70-76. doi: 10.3969/j.issn.0253-4193.2015.03.007

Citation:

Liu Tao, Li Guangzhao. The spatial discrepancy of Holocene transgression in north Beibu Gulf of Guangxi coastline[J]. Haiyang Xuebao, 2015, 37(3): 70-76. doi: 10.3969/j.issn.0253-4193.2015.03.007

Liu Tao, Li Guangzhao. The spatial discrepancy of Holocene transgression in north Beibu Gulf of Guangxi coastline[J]. Haiyang Xuebao, 2015, 37(3): 70-76. doi: 10.3969/j.issn.0253-4193.2015.03.007

Citation:

Liu Tao, Li Guangzhao. The spatial discrepancy of Holocene transgression in north Beibu Gulf of Guangxi coastline[J]. Haiyang Xuebao, 2015, 37(3): 70-76. doi: 10.3969/j.issn.0253-4193.2015.03.007

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The spatial discrepancy of Holocene transgression in north Beibu Gulf of Guangxi coastline

doi: 10.3969/j.issn.0253-4193.2015.03.007

Liu Tao¹,
Li Guangzhao²

1.
College of Ocean, Guangxi University, Nanning 530004, China;Gangxi Mangove Research Center, Beihai 536007, China;
2.
Gangxi Mangove Research Center, Beihai 536007, China;Guangzhou Marine Geology Survey, Guangzhou 510075, China

Received Date: 2014-06-10

Abstract

Abstract

This study analyzed the stratigraphic correlation among several cores collected from the Guangxi coastline,and discussed the spatial discrepancy of transgression since Holocene. And,using the East Asia seal level fluctuation curve as a reference,this study also estimated the rate of vertical tectonic movement in main bays offshore Guangxi Province. The results show that since Holocene the initiation time for transgression in different local regions along Guangxi coastline are different,which is due to regional differences in tectonic sinking movement among these main bays. The tectonics in the eastern part of the Lianzhou Bay is stable,and that in the western part of the bay is unstable with a sinking speed of 1 to 3 mm/a. The tectonic sinking process resulted in regional differences in the sea level fluctuation curves,and thereby influenced the development of stratigraphy. For example,the salt mash face can only be found in the area west to Lianzhou Bay,where experienced a relative slow local sea level rising speed.
- Beibu Gulf,
- tectonic subsidence,
- sea level fluctuations,
- Holocene,
- stratigraphy sequence

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References(12)

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