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U/Th systematics of authigenic carbonates and δ¹⁸O records from Hydrate Ridge...
Uranium (U) concentrations and activity ratios (d234U) of authigenic carbonates are sensitive recorders of different fluid compositions at submarine seeps of hydrocarbon-rich... -
Stable carbon and oxygen isotopes from samples of the Anaximander seamounts i...
Porous seep-carbonates are exposed at mud volcanoes in the eastern Mediterranean Sea. The 13C-depleted aragonitic carbonates formed as a consequence of the anaerobic oxidation... -
Carbon geochemistry in serpentinites from and beneath the Lost City Hydrother...
The carbon geochemistry of serpentinized peridotites and gabbroic rocks recovered at the Lost City Hydrothermal Field (LCHF) and drilled at IODP Hole 1309D at the central dome... -
(Table 3) δ¹⁸O of chemoherm carbonate samples, Delta d18O, past d18O seawater...
Column 4: 230Th/234U ages of chemoherm carbonates (see also Table 2). The age for 3429-3-A-8 is a mean value of sample a and b. Column 5: Measured d18OPDB of chemoherm carbonate... -
(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);... -
(Table 1) Stable isotope data of chemoherm carbonates at Hydrate Ridge on the...
Two active chemoherm build-ups growing freely up into the oceanic water column, the Pinnacle and the South East-Knoll Chemoherms, have been discovered at Hydrate Ridge on the... -
(Table 2) Stable carbon and oxygen isotopes from microcrystalline aragonite s...
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(Table 2) Stable carbon and oxygen isotopes from clotted and botryoidal arago...
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(Table 3) Compound-specific carbon isotope ratios for n-alkanes extracted fro...
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(Table 2) Content and carbon isotope compositions in total carbon, total orga...
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