Nature Communications (Jul 2021)

Fingerprinting the Cretaceous-Paleogene boundary impact with Zn isotopes

  • Ryan Mathur,
  • Brandon Mahan,
  • Marissa Spencer,
  • Linda Godfrey,
  • Neil Landman,
  • Matthew Garb,
  • D. Graham Pearson,
  • Sheng-Ao Liu,
  • Francisca E. Oboh-Ikuenobe

DOI
https://doi.org/10.1038/s41467-021-24419-8
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 8

Abstract

Read online

Elevated Zn isotope compositions occur in K-Pg sedimentary layers of three different depositional environments across North America and the Caribbean. The data indicate a volatilization event, and act as a robust mechanistic indicator of the meteorite impact at the end of the Cretaceous.