Authors
CH Stirling, TM Esat, Kurt Lambeck, MT McCulloch
Publication date
1998/8/1
Journal
Earth and Planetary Science Letters
Volume
160
Issue
3-4
Pages
745-762
Publisher
Elsevier
Description
We report new mass spectrometric U-series ages for eight Last Interglacial fossil reefs along the continental margin of Western Australia. Corals were selected in growth position from localities that are characterized by apparently low levels of diagenesis and relative tectonic stability so that the fossil reefs provide critical information on Last Interglacial sea-levels without requiring corrections for tectonic movements. In addition, we have improved the constraint on the timing of onset of reef growth by recovering drill core coral from the base of the reefs. Uranium and thorium isotopes were measured with high levels of precision, leading to improvements in age resolution and allowing samples which have undergone diagenetic exchange of uranium and thorium to be more easily identified and discarded. These data supplement our previous results for Rottnest Island and Leander Point, leading to more than seventy …
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CH Stirling, TM Esat, K Lambeck, MT McCulloch - Earth and Planetary Science Letters, 1998