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Wei, Gangjian; Deng, Wenfeng; Yu, Kefu; Li, Xian-hua; Sun, Weidong D; Zhao, Jian-Xin (2007): (Table 1) Uranium-Thorium datings from corals of Hainan Island, South China Sea [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.743019, In supplement to: Wei, G et al. (2007): Sea surface temperature records in the northern South China Sea from mid-Holocene coral Sr/Ca ratios. Paleoceanography, 22(3), PA3206, https://doi.org/10.1029/2006PA001270

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Coverage:
Latitude: 18.211740 * Longitude: 109.527680
Event(s):
Dadonghai * Latitude: 18.211740 * Longitude: 109.527680 * Location: Hainan Island, China * Method/Device: Chemistry (CHEM)
Comment:
All isotopic ratios are activity ratios. Errors are quoted as 2 sigma. Half lives used in the calculation are as follows: 230Th, 77381 ± 590 (2s); 234U, 244600 ± 490 (2s); Ludwig et al. [1992]. Corrected 230Th ages assume an 232Th/238U atomic ratio of 3.83 ± 1.9 for the detrital materials, which is at secular equilibrium. Delta 234U initial is calculated on the basis of 230Th age.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Sample code/labelSample labelWei, Gangjian
2UraniumUmg/kgWei, Gangjian
3Uranium, standard deviationU std dev±Wei, Gangjian
4Thorium-232232Thµg/kgWei, Gangjian
5Thorium-230/Thorium-232 ratio230Th/232ThWei, Gangjian
6Uranium-234/Uranium-238 activity ratio(234U/238U)Wei, Gangjian
7Uranium-234/Uranium-238 activity ratio, standard deviation(234U/238U) std dev±Wei, Gangjian
8Thorium-230/Uranium-238 ratio230Th/238UWei, Gangjian
9Thorium-230/Uranium-238, error, relative230Th/238U e rel%Wei, Gangjian
10Age, datedAge datedkaWei, GangjianAge, Thoriumuncorrected 230Th
11Age, dated standard deviationAge dated std dev±Wei, GangjianAge, Thoriumuncorrected 230Th
uncorrected 230Th
uncorrected 230Th
12Age, datedAge datedkaWei, GangjianAge, Thoriumcorrected 230Th
13Age, dated standard deviationAge dated std dev±Wei, GangjianAge, Thoriumcorrected 230Th
corrected 230Th
14δ234 Uraniumδ234UWei, Gangjian
15δ234 Uranium, standard deviationδ234U std dev±Wei, Gangjian
Size:
45 data points

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