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Timing of the last-interglacial high sea level on the Seychelles Islands, Indian Ocean
Israelson, C.; Wohlfarth, B. (1999). Timing of the last-interglacial high sea level on the Seychelles Islands, Indian Ocean. Quatern. Res. 51(3): 306-316
In: Quaternary Research. Academic Press: New York. ISSN 0033-5894, more
Peer reviewed article  

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Keywords
    Animal fossils; Coral; Coral reefs; Palaeoshorelines; Sea level changes; Marine

Authors  Top 
  • Israelson, C.
  • Wohlfarth, B.

Abstract
    Corals from the Seychelles Islands, Indian Ocean, occur mainly as small coralline algae-vermetid remnants found in cavities adhering to the rock surface, and they rarely attain more than 2 m2 in area. Samples of Goniastrea and Porites from elevations between 1.7 and 6 m above present mean sea level were dated by TIMS238>U- 234U-230Th techniques. The ages from well-preserved corals lie between 131,000 and 122,000 yr B.P., in agreement with most other observations of the last-interglacial sea level. Field evidence and dating from high marine limestones from two sections at La Digue Island indicate a period of coral buildup until 131,000 yr B.P., followed by a drop in sea level between 131,000 and 122,000 yr B.P.

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