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(Table 4-5, page 285) Radioactive and stable chemical composition of ferroman...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
Total (dissolved + particulate) Thorium-234 (Th-234) and Uranium-238 (U-238) ...
This dataset has no description
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(Table 2) U and Th isotopic compositions of authigenic carbonates, bottom- an...
Notes: All given statistical errors are two standard deviations of the mean (2Sigma). The used decay constants are: Lamda234U = 2.8262 x 10-6 a-1 (Cheng et al., 2000b);... -
More than 50 years of Th-234 data: a comprehensive global oceanic compilation
The ²³⁴Th-²³⁸U radioactive pair has been extensively used to evaluate the efficiency with which photosyntetically fixed carbon is exported from the surface ocean by means of the... -
Glacial cold-water coral: ages, isotope concentrations and ratios
A set of 40 Uranium-series datings obtained on the reef-forming scleractinian cold-water corals Lophelia pertusa and Madrepora oculata revealed that during the past 400 kyr... -
Automated determination of Thorium 234 and Uranium 238 during cruise ANT-XXIII/1
This dataset has no description
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Uranium - Thorium dating results from bivalve shell samples of sediment core ...
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... -
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... -
Radiochemical data for layers inside manganese crusts retrieved during the RO...
Radiochemical analyses have been performed on micro-samples extracted from various surface and inside layers of manganese crusts covering basalt or volcanic breccia rocks (see,... -
Radiochemical data for layers inside a buried manganese nodule from core CH71...
Radiochemical analyses have been performed on micro-samples extracted from various surface and inside layers of a buried manganese nodule recovered from core CH71-09 at a depth... -
Radiochemical data for sediments of cores CH71-08 and CH71-09, HARMATTAN camp...
Radiochemical analyses have been performed on 500 mg of each carbonate rich sediment sample (i.d., carbonaceous clay or mud) and 2 g for carbonate devoid samples (i.d.,... -
Uranium-Thorium series of sediment core Arc7-E25
*230Thxs is calculated by the subtraction of mean activity value of 234U from the total 230Th. -
Thorium-230 dating of speleothems WB-21-5-A and WA-21-6-A
The dataset includes speleothem U-Th ages used to reconstruct climate in southeastern Alaska during the past ~3,500 years. Speleothem WB-21-5-A was collected in Wishbone Cave... -
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... -
Cuticle elemental concentrations of juvenile California spiny lobsters (Panul...
We examined the response of multiple structures used for predator defense in the California spiny lobster, Panulirus interruptus, to a series of ocean acidification-like...