Seawater ²³⁴U/ ²³⁸U recorded by modern and fossil corals
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Chutcharavan, Peter M.; Dutton, Andrea; Ellwood, Michael
Description
U-series dating of corals is a crucial tool for generating absolute chronologies of Late Quaternary sea-level change and calibrating the radiocarbon timescale. Unfortunately, coralline aragonite is susceptible to post-depositional alteration of its primary geochemistry. One screening technique used to identify unaltered corals relies on the back-calculation of initial ²³⁴U/²³⁸U activity (δ ²³⁴Ui) at the time of coral growth and implicitly assumes that seawater δ ²³⁴U has remained constant...[Show more]
Collections | ANU Research Publications |
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Date published: | 2017 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/139093 |
Source: | Geochimica et Cosmochimica Acta |
DOI: | 10.1016/j.gca.2017.12.017 |
Access Rights: | Open Access |
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1-s2.0-S0016703717307937-main.pdf | 2.8 MB | Adobe PDF | ![]() |
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