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Queens College Radiocarbon Measurements IV

  • Richard R Pardi (a1), Lynn Tomecek (a1) and Walter S Newman (a1)

Extract

The following list includes radiocarbon analyses of samples related to studies of Holocene sea levels completed since the publication of the last list (R, 1980, v 22, p 1073–1083). Sample preparation and counting for liquid scintillation samples remain the same. However, an additional gas-proportional facility was added in 1981 to handle the analyses of small samples, some of which are included in this list. The new system consists of two 660cc OFHC copper counters built at Queens College. Samples are counted over at least two 2800 minute intervals alternating with backgrounds and standards counted over 1400 minute intervals. Ages are based on the Libby half-life of 5568 years and include 1σ standard deviations of sample, standard, and background activities.

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Copyright

References

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Newman, W S, 1977, Late Quaternary paleoenvironmental reconstruction; some contradictions from northwestern Long Island, in Newman, W S and Salwen, Bert, eds, Amerinds and their paleoenvironments in northeastern North America: Annals New York Acad Sci, v 288, p 545570.
Pardi, R, and Newman, E R, 1980, Queens College radiocarbon measurements III: Radiocarbon, v 22, p 10731083.

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