Uranium series results and age calculations.¶
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¶Numbers in brackets are 95% uncertainties of the given least significant figures.*Activity ratios determined after Hellstrom [53] using the decay constants of Cheng et al. [54].†Age in kyr before present corrected for intial 230Th using eqn. 1 of Hellstrom [55] with [230Th/232Th]i of 0.82±0.20 for Longlin.‡Initial [234U/238U] calculated using corrected age.
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2015-12-02
