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Hallmann, Nadine; Camoin, Gilbert; Eisenhauer, Anton; Botella, A; Milne, Glenn A; Vella, Claude; Samankassou, Elias; Pothin, Virginie; Dussouillez, Philippe; Fleury, Jules; Fietzke, Jan (2017): (Table S2) Uranium/Thorium isotopic composition of in situ Porites microatolls in French Polynesia [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.883845, In supplement to: Hallmann, N et al. (2018): Ice volume and climate changes from a 6000 year sea-level record in French Polynesia. Nature Communications, 9(1), https://doi.org/10.1038/s41467-017-02695-7

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Coverage:
Median Latitude: -16.077610 * Median Longitude: -150.792036 * South-bound Latitude: -16.560020 * West-bound Longitude: -152.262200 * North-bound Latitude: -15.031050 * East-bound Longitude: -147.317820
Minimum ELEVATION: -0.03 m a.s.l. * Maximum ELEVATION: 0.65 m a.s.l.
Event(s):
French_Polynesia_BOB (Bora Bora) * Latitude: -16.479000 * Longitude: -151.729800 * Location: French Polynesia * Method/Device: Sampling by hand (HAND)
French_Polynesia_MAU (Maupiti) * Latitude: -16.417300 * Longitude: -152.256500 * Location: French Polynesia * Method/Device: Sampling by hand (HAND)
French_Polynesia_RAN (Rangiroa) * Latitude: -15.322300 * Longitude: -147.317900 * Location: French Polynesia * Method/Device: Sampling by hand (HAND)
Comment:
Uranium/Thorium isotopic composition of 72 in situ Porites microatolls from five islands in French Polynesia. Recommendations of Dutton et al. were followed for the presentation of U/Th age data. All statistical errors are two standard deviations of the mean (2 sigma mean). All samples have been corrected for initial 230Th by using a 230Th/232Th activity ratio of 0.66 ± 0.2. Non-reported data consist of 230 Th/232 Th ratios which became negative due to background corrections. 238U Concentrations are not corrected for the background.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventHallmann, Nadine
2Sample IDSample IDHallmann, Nadine
3LATITUDELatitudeHallmann, NadineGeocode
4LONGITUDELongitudeHallmann, NadineGeocode
5ELEVATIONElevationm a.s.l.Hallmann, NadineGeocode – NGPF, # = estimated elevation
6Uranium-238238Umg/kgHallmann, Nadine
7Uranium-238, standard deviation238U std dev±Hallmann, Nadine
8Thorium-230230Thng/kgHallmann, Nadine
9Thorium-230, standard deviation230Th std dev±Hallmann, Nadine
10Thorium-232232Thµg/kgHallmann, Nadine
11Thorium-232, standard deviation232Th std dev±Hallmann, Nadine
12Thorium-230/Thorium-232 activity ratio(230Th/232Th)Hallmann, Nadine
13Thorium-230/Thorium-232 activity ratio, standard deviation(230Th/232Th) std dev±Hallmann, Nadine
14Uranium-238/Thorium-232 activity ratio(238U/232Th)Hallmann, Nadine
15Uranium-238/Thorium-232 activity ratio, standard deviation(238U/232Th) std dev±Hallmann, Nadine
16Thorium-230/Uranium-238 activity ratio(230Th/238U)Hallmann, Nadine
17Thorium-230/Uranium-238 activity ratio, error, relative(230Th/238U) e rel%Hallmann, Nadine
18Uranium-234/Uranium-238 activity ratio(234U/238U)Hallmann, Nadine
19Uranium-234/Uranium-238 activity ratio, standard deviation(234U/238U) std dev±Hallmann, Nadine
20Age, datedAge datedkaHallmann, NadineAge, Uranium-Thorium
21Age, dated standard deviationAge dated std dev±Hallmann, NadineAge, Uranium-Thorium
22Uranium-234/Uranium-238 activity ratio(234U/238U)Hallmann, Nadineinitial
23Uranium-234/Uranium-238 activity ratio, standard deviation(234U/238U) std dev±Hallmann, Nadineinitial
Size:
1458 data points

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