Evidence for end-Permian ocean acidifi cation from calcium isotopes in biogenic apatite

Abstract

End-Permian (ca. 252 Ma) carbon isotope, paleobiological, and sedimentary data suggest that changes in ocean carbonate chemistry were directly linked to the mass extinction of marine organisms. Calcium isotopes provide a geochemical means to constrain the nature of these changes. The δ44/40Ca of carbonate rocks from southern China exhibits a negative… (More)

2 Figures and Tables

Topics

  • Presentations referencing similar topics