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Uranium - Thorium dating results from carbonate samples of sediment core GeoB...
Age corr.: Age correction according to 232Th concentration and 230Th/232Th ratio of 8±4.Laboratory code/label IUPH: Institute for Environmental Physics, University of... -
230Th dating results analyzed at the University of Minnesota (Dataset S1)
The error is 2s error. U decay constants: l238 = 1.55125x10-10 (Jaffey et al., 1971) and l234 = 2.82206x10-6 (Cheng et al., 2013). Th decay constant: l230 = 9.1705x10-6 (Cheng... -
Robertson Speleothem U-Th dating results for samples analyzed at the Geologic...
U decay constants: λ238=1.55125x10-10 (Jaffey et al., 1971) and λ234= 2.82x10-6 (Cheng et al., 2013).Th decay constant: λ230=9.1705x10-6 (Cheng et al., 2013).Corrected 230Th... -
Measured isotope activity ratios, calculated ages and monte-carlo derived age...
A total of 32 230Th ages were measured along the growth axis of SIB-4 stalagmite. 100-200 mg of calcite powder was drilled per sample in a laminar-flow hood following growth... -
Last Millennium U/Th ages of MV30 stalagmite record from Mata Virgem cave
Presented here are U-Th ages derived from the MV30 stalagmite. This sample was collected from Mata Virgem cave (11°37′27.07′′S, 47°29′19.04′′W) in the eastern region of the... -
Last Millennium U/Th ages of MV1 stalagmite record from Mata Virgem cave
Presented here are U-Th ages derived from the MV1 stalagmite. This sample was collected from Mata Virgem cave (11°37′27.07′′S, 47°29′19.04′′W) in the eastern region of the... -
Measured SC02 U/Th isotope activity ratios, calculated ages and monte-carlo d...
U-Th ages were calculated using the initial detrital 230Th/232Th value of 111 ± 41 ppm, which was previously calculated for SC02 based on two isochrons measured in separate... -
Uranium series dated cold-water corals from Tropic Seamount, Reykjanes Ridge,...
Uranium series dated cold-water corals from Tropic Seamount, Reykjanes Ridge, and East Equatorial Atlantic. Ages are reported in years before present (BP; where present is the... -
Whole-rock U-Th and Sr-Nd isotope compositions of Ilopango TB suite (Table S9)
This dataset includes results from U-series and Sr-Nd whole-rock isotope compositions of the last four explosive silicic eruptions from Ilopango caldera in El Salvador (TBJ,... -
U/Th results of TRA 7 speleothem
U decay constants: λ238 = 1.55125x10-10 (Jaffey et al., 1971) and λ234 = 2.82206x10-6 (Cheng et al., 2013). Th decay constant: λ230 = 9.1705x10-6 (Cheng et al., 2013). d234U =... -
230Th dating results of Schrattenkarst speleothem
U decay constants: l238 = 1.55125x10-10 (Jaffey et al., 1971) and l234 = 2.82206x10-6 (Cheng et al., 2013). Th decay constant: l230 = 9.1705x10-6 (Cheng et al., 2013).o account... -
Thorium / uranium dating of stalagmite PR-LA-1 (Cueva Larga, Puerto Rico)
Activity ratios were corrected for initial Th assuming an detrital weight ratio 232Th/238U = 0.13 ± 0.04 (corresponding to an activity ratio of the detritus in secular... -
Uranium series isotopes and dating of stalagmite C09-2 from Closani Cave
Ages were calculated using the half-lives of Cheng et al. (2000). Correction for detrital contamination assumes a 232Th/238U weight ratio of 3.8 ± 1.9 and 230Th, 234U and 238U... -
Stalagmite dating results from Jaraguá cave, Brazil
This dataset has no description
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(Table 1) Activity ratios and respective uncertainties for the five fossil AQ...
This dataset has no description
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(Table S2) Uranium/Thorium isotopic composition of in situ Porites microatoll...
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... -
(Table S1) 230Th dating results of espeleothems from Jaraguá cave, Brazil, 2017
This dataset has no description
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230Th dating results of speleothem records from two caves, central-eastern an...
d234U = ([234U/238U]activity - 1)x1000.d234Uinitial was calculated based on 230Th age (T), i.e., d234Uinitial = d234Umeasured x e**l234xT.Corrected 230Th ages assume the initial... -
(Table 3) U-series disequilibrium ages measured on Amundsen Sea cold-water co...
Decay constants are 9.1577 x 10-6/yr for 230Th, 2.826 x 10-6/yr for 234U, and 1.55125 x 10-10/yr for 238U. -
(Table S1) U-series ages of corals from the North Atlantic
This dataset has no description