Bivalves & the Black Sea: A 9500-Year-Old Flood?

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The discussion centers on a study published in Quaternary Science Reviews that investigates the potential for a catastrophic flood in the Black Sea approximately 9,500 years ago. Researchers from the Woods Hole Oceanographic Institution (WHOI) and Romanian colleagues utilized bivalves to date sediment, concluding that if a flood occurred, it was significantly smaller than previously suggested. The study highlights the importance of bivalve preservation in sediment dating, indicating that intact bivalve halves suggest minimal redistribution of sediment layers.

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  • Understanding of sediment dating techniques
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  • Study the impact of ancient floods on Neolithic settlements
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http://www.sciencedaily.com/releases/2009/01/090123101207.htm

ScienceDaily (Jan. 27, 2009) — Did a catastrophic flood of biblical proportions drown the shores of the Black Sea 9,500 years ago, wiping out early Neolithic settlements around its perimeter? A geologist with the Woods Hole Oceanographic Institution (WHOI) and two Romanian colleagues report in the January issue of Quaternary Science Reviews that, if the flood occurred at all, it was much smaller than previously proposed by other

They use bivalves to date sediment, the material that holds the two sides of bivalve together decays easily, so if the two halves are found together it is a good indication they have not been redistributed, cool idea.
 
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This is probably how it happened.