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    Widespread platinum anomaly documented at theYounger Dryas onset in North American sedimentary sequences

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    Author
    Moore, Christopher R.; West, Allen; LeCompte, Malcolm A.; Brooks, Mark J.; Daniel, I. Randolph Jr.; Goodyear, Albert C.; Ferguson, Terry A.; Ivester, Andrew H.; Feathers, James K.; Kennett, James P.; Tankersley, Kenneth B.; Adedeji, A. Victor; Bunch, Ted E.
    Abstract
    Previously, a large platinum (Pt) anomaly was reported in the Greenland ice sheet at the Younger Dryas boundary (YDB) (12,800 Cal B.P.). In order to evaluate its geographic extent, fire-assay and inductively coupled plasma mass spectrometry (FA and ICP-MS) elemental analyses were performed on 11 widely separated archaeological bulk sedimentary sequences. We document discovery of a distinct Pt anomaly spread widely across North America and dating to the Younger Dryas (YD) onset. The apparent synchroneity of this widespread YDB Pt anomaly is consistent with Greenland Ice Sheet Project 2 (GISP2) data that indicated atmospheric input of platinum-rich dust. We expect the Pt anomaly to serve as a widely-distributed time marker horizon (datum) for identification and correlation of the onset of the YD climatic episode at 12,800 Cal B.P. This Pt datum will facilitate the dating and correlating of archaeological, paleontological, and paleoenvironmental data between sequences, especially those with limited age control.
    URI
    http://hdl.handle.net/10342/8474
    Date
    2017-03-09
    Citation:
    APA:
    Moore, Christopher R., & West, Allen, & LeCompte, Malcolm A., & Brooks, Mark J., & Daniel, I. Randolph Jr., & Goodyear, Albert C., & Ferguson, Terry A., & Ivester, Andrew H., & Feathers, James K., & Kennett, James P., & Tankersley, Kenneth B., & Adedeji, A. Victor, & Bunch, Ted E.. (March 2017). Widespread platinum anomaly documented at theYounger Dryas onset in North American sedimentary sequences. Scientific Reports, (7:1), p.. Retrieved from http://hdl.handle.net/10342/8474

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    MLA:
    Moore, Christopher R., and West, Allen, and LeCompte, Malcolm A., and Brooks, Mark J., and Daniel, I. Randolph Jr., and Goodyear, Albert C., and Ferguson, Terry A., and Ivester, Andrew H., and Feathers, James K., and Kennett, James P., and Tankersley, Kenneth B., and Adedeji, A. Victor, and Bunch, Ted E.. "Widespread platinum anomaly documented at theYounger Dryas onset in North American sedimentary sequences". Scientific Reports. 7:1. (.), March 2017. April 14, 2021. http://hdl.handle.net/10342/8474.
    Chicago:
    Moore, Christopher R. and West, Allen and LeCompte, Malcolm A. and Brooks, Mark J. and Daniel, I. Randolph Jr. and Goodyear, Albert C. and Ferguson, Terry A. and Ivester, Andrew H. and Feathers, James K. and Kennett, James P. and Tankersley, Kenneth B. and Adedeji, A. Victor and Bunch, Ted E., "Widespread platinum anomaly documented at theYounger Dryas onset in North American sedimentary sequences," Scientific Reports 7, no. 1 (March 2017), http://hdl.handle.net/10342/8474 (accessed April 14, 2021).
    AMA:
    Moore, Christopher R., West, Allen, LeCompte, Malcolm A., Brooks, Mark J., Daniel, I. Randolph Jr., Goodyear, Albert C., Ferguson, Terry A., Ivester, Andrew H., Feathers, James K., Kennett, James P., Tankersley, Kenneth B., Adedeji, A. Victor, Bunch, Ted E.. Widespread platinum anomaly documented at theYounger Dryas onset in North American sedimentary sequences. Scientific Reports. March 2017; 7(1) . http://hdl.handle.net/10342/8474. Accessed April 14, 2021.
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