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Found 2 results

  1. New evidence that an extraterrestrial collision 12,800 years ago triggered an abrupt climate change for Earth, the Conversation, October 22, 2019 https://theconversation.com/new-evidence-that-an-extraterrestrial-collision-12-800-years-ago-triggered-an-abrupt-climate-change-for-earth-118244 the paper is: Moore, C.R., M.J. Brooks, A.C. Goodyear, T.A. Ferguson, A.G. Perrotti, S. Mitra, A. Listecki, B. King, D.J. Mallinson, C.S. Lane, B. Shapiro, J. Knapp, A. West, D.L. Carlson, W. Wolbach, T.R. Them, S.M. Harris, and S. Pyne-O’Donnell. 2019. Sediment Cores from White Pond, South Carolina, contain a platinum anomaly, pyrogenic carbon peak, and coprophilous spore decline at 12.8 ka. Scientific Reports volume 9, Article number: 15121 (2019) https://www.nature.com/articles/s41598-019-51552-8 Regardless of how the platinum anomaly is interpreted, White Pond, a Carolina Bay predates it and the Younger Dryas. Thus, the above paper further supports the idea that the Carolina Bays are not connected to Younger Dryas event as concluded by: Schaetzl, R.J., Sauck, W., Heinrich, P.V., Colgan, P.M. and Holliday, V.T., 2019. Commentary on Klokočník, J., Kostelecký, and Bezděk, A. 2019. The putative Saginaw impact structure, Michigan, Lake Huron, in the light of gravity aspects derived from recent EIGEN 6C4 gravity field model. Journal of Great Lakes Research 45: 12–20. A related paper is: Krause, T.R., Russell, J.M., Zhang, R., Williams, J.W. and Jackson, S.T., 2019. Late Quaternary vegetation, climate, and fire history of the Southeast Atlantic Coastal Plain based on a 30,000-yr multi-proxy record from White Pond, South Carolina, USA. Quaternary Research, 91(2), pp.861-880. Vancouver Yours Paul H.
  2. The discussion continues. Discovery of widespread platinum may help solve Clovis people mystery, University of South Carolina, March 9, 2017 https://www.sciencedaily.com/releases/2017/03/170309120656.htm http://www.sc.edu/uofsc/posts/2017/03/uofsc_archaeologists_discover_platinum_at_clovis_sites.php Moore, C.R., West, A., LeCompte, M.A., Brooks, M.J., Daniel Jr, I.R., Goodyear, A.C., Ferguson, T.A., Ivester, A.H., Feathers, J.K., Kennett, J.P. and Tankersley, K.B., 2017. documented at the Younger Dryas onset in North American sedimentary sequences. Scientific Reports, 7, p.44031. http://www.nature.com/articles/srep44031 http://1f9hwg1wionh254zdu2abfkg.wpengine.netdna-cdn.com/wp-content/uploads/srep44031.pdf https://www.academia.edu/31867816/Widespread_platinum_anomaly_documented_at_the_Younger_Dryas_onset_in_North_American_sedimentary_sequences_OPEN The number of publications on this topic must be closing in on circa 180 to 200 by now. Yours, Paul H.
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