XAFS study of Sb and As in Cretaceous–Tertiary boundary sediments: an index of soiling of the global environment with dust and ashes from impact ejecta falls

1Hidetomo HONGU,1Akira YOSHIASA,1Tsubasa TOBASE ,2Maki OKUBE,2Kazumasa SUGIYAMA,3Tsutomu SATO
Journal of Mineralogical and Petrological Sciences 114, 224-230 Link to Article [DOI https://doi.org/10.2465/jmps.180927]
1Graduate School of Science and Technology, Kumamoto University
2Institute for Materials Research, Tohoku University
3Graduate School of Engineering, Hokkaido University

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