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Provenance and sedimentary evolution of the Southwest Arabian Sea since 45 ka
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Qiying Feng1, 2, Dejiang Fan1, 3, Keyu Wang1, 2, Xianming Jia2, 4, Jian Chen2, 5, *
Haiyang Xuebao | 2023, 45(10) : 56 - 69
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Haiyang Xuebao | 2023, 45(10): 56-69
Article
Provenance and sedimentary evolution of the Southwest Arabian Sea since 45 ka
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Qiying Feng1, 2, Dejiang Fan1, 3, Keyu Wang1, 2, Xianming Jia2, 4, Jian Chen2, 5, *
Affiliations
  • 1College of Marine Geosciences, Ocean University of China, Qingdao 266100, China
  • 2Laboratory of Marine and Coastal Geology, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
  • 3Laboratory for Marine Geology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266061, China
  • 4College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
  • 5Fujian Provincial Key Laboratory of Marine Physical and Geological Processes, Xiamen 361005, China
Published: 2023-10-01 doi: 10.12284/hyxb2023123
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Grain size, composition of elements and clay minerals, and AMS14C dating of samples of upmost 100 cm in Core CJ09-03 in the Southwest Arabian Sea were analysied, and provenance, the sedimentary evolution and the restricting factors in the study area since 45 ka BP were discussed. The composition of major elements and rare earth elements show that, the sediment in the study area has obvious terrigenous properties Graph of (La/Sm)UCC-(Gd/Yb)UCC and the composition of clay minerals show that the sources of the sediments in the study area are relatively complex, which include the Thar Desert, the Northeast Africa, the Southwest Asia and the Arabian Peninsula. Based on the index of δ15N from literatures, and indexs of chemical weathering index of illite, K/Al, 1−CaCO3(%), the sedimentary evolution of the Southwest Arabian Sea since 45 ka BP can be divided into four stages: the Last Glacial period, the Last Glacial Maximum periond, the Deglaciation period and the Holocene period. The provenance in different stages are different, which is mainly influenced by the sea level changes and the strength of the Indian monsoon.

Arabian Sea  /  clay minerals  /  rare earth elements  /  provenance  /  sedimentary evolution
Qiying Feng, Dejiang Fan, Keyu Wang, Xianming Jia, Jian Chen. Provenance and sedimentary evolution of the Southwest Arabian Sea since 45 ka[J]. Haiyang Xuebao, 2023 , 45 (10) : 56 -69 . DOI: 10.12284/hyxb2023123
Year 2023 volume 45 Issue 10
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Article Info
doi: 10.12284/hyxb2023123
  • Receive Date:2023-02-03
  • Online Date:2025-12-28
  • Published:2023-10-01
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History
  • Received:2023-02-03
  • Revised:2023-04-15
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Affiliations
    1College of Marine Geosciences, Ocean University of China, Qingdao 266100, China
    2Laboratory of Marine and Coastal Geology, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
    3Laboratory for Marine Geology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266061, China
    4College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
    5Fujian Provincial Key Laboratory of Marine Physical and Geological Processes, Xiamen 361005, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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