Platinum anomalies have been associated with high-magnitude late Holocene volcanic events. Go see:
Platinum is key in ancient volcanic related climate change University of Cincinnati, July 31, 2018 https://www.sciencedaily.com/releases/2018/07/180731092053.htm Tankersley, K.B., Dunning, N.P., Owen, L.A., Huff, W.D., Park, J.H., Kim, C., Lentz, D.L. and Sparks-Stokes, D., 2018. Positive Platinum anomalies at three late Holocene high magnitude volcanic events in Western Hemisphere sediments. Scientific reports, 8(1), number. 11298. https://www.nature.com/articles/s41598-018-29741-8 https://www.researchgate.net/publication/326633921_Positive_Platinum_anomalies_at_three_late_Holocene_high_magnitude_volcanic_events_in_Western_Hemisphere_sediments "Pt anomalies in sediments over a broad geographic area indicate distinctive time-correlative atmospheric deposition rates of platinum-rich volcanic ash." a related paper: Soyol-Erdene, T.O., Huh, Y., Hong, S. and Hur, S.D., 2011. A 50-year record of platinum, iridium, and rhodium in Antarctic snow: volcanic and anthropogenic sources. Environmental science & technology, 45(14), pp. 5929-5935. https://pubs.acs.org/doi/abs/10.1021/es2005732 Yours, Paul H. ______________________________________________ Visit our Facebook page https://www.facebook.com/meteoritecentral and the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com https://pairlist3.pair.net/mailman/listinfo/meteorite-list
