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Further evidence of abrupt Holocene drowning of the Black Sea shelf

✍ Scribed by R.D Ballard; D.F Coleman; G.D Rosenberg

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
794 KB
Volume
170
Category
Article
ISSN
0025-3227

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✦ Synopsis

A 1999 survey of the Black Sea continental shelf off the north central Turkish seaport of Sinop using a side-scan sonar, small remotely operated vehicles, and a series of dredge lowerings located, inspected and sampled an exposed high-energy paleoshoreline at a depth of 155 m. Radiocarbon dating of mollusk shells collected from this ancient beach revealed that the marine flooding of the Black Sea took place between 7460 and 6820 yr B.P. (all ages are reported in radiocarbon years, not calendar years, without correction for reservoir age or dendro-calibration) changing it from a lacustrine to marine environment. This relic surface remained in contact with the bottom waters of the Black Sea for a long period of time before being draped by a thin layer of sapropel mud. Wood samples recovered from this same location were very well preserved and yielded dates as old as 3580 yr B.P.

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