Evidence from 40 Ar/ 39 Ar Ages of Individual Hornblende Grains for Varying Laurentide Sources of Iceberg Discharges 22,000 to 10,500 yr B.P.

• Published in: Quaternary Research
• Main Authors: Hemming, Sidney R., Bond, Gerard C., Broecker, Wallace S., Sharp, Warren D., Klas-Mendelson, Mieczyslawa
• Format: Article in Journal/Newspaper
• Language: English
• Published: Cambridge University Press (CUP) 2000
• Subjects: Newfoundland; Baffin Island; Greenland; Orphan Knoll; Baffin; Greenland ice cores; Ice Sheet; North Atlantic
• Online Access: http://dx.doi.org/10.1006/qres.2000.2181; http://api.elsevier.com/content/article/PII:S0033589400921811?httpAccept=text/xml; http://api.elsevier.com/content/article/PII:S0033589400921811?httpAccept=text/plain; https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0033589400026466

The abundance and lithic content of ice rafted detritus in glacial North Atlantic sediment cores vary abruptly on millennial time scales that have been correlated to Dansgaard-Oeschger cycles in the Greenland ice cores. There is growing evidence that various ice sheet outlets contributed increased i...