Giant crystals of orthopyroxene from Shalka meteorite https://twitter.com/TimCosmos/status/1238049722197295104 https://www.reddit.com/r/geology/comments/fheny5/giant_crystals_of_orthopyroxene_comprise_the/ https://www.mindat.org/loc-260347.html
An unrelated article about technique used in dating impact events, Researchers unlock secrets of the past with new international carbon dating standard University of Sheffield, August 12, 2020 https://news.arizona.edu/story/researchers-unlock-secrets-past-new-international-carbon-dating-standard "Radiocarbon dating is set to become more accurate than ever after an international team of scientists improved the technique for assessing the age of historical objects." Various open access papers about IntCal 20 can be found at: https://www.cambridge.org/core/journals/radiocarbon/calibrations/intcal-20 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 [email protected] https://pairlist3.pair.net/mailman/listinfo/meteorite-list
