Tera–Wasserburg diagram

noun1

1. •
   A type of concordia diagram, used in the context of uranium–lead dating, whose axes are the ratios ²⁰⁷Pb/²⁰⁶Pb and ²³⁸U/²⁰⁶Pb.

   • Fig. 5.32 Meteorite mineral data on (a) Pb–Pb isotope and (b) Tera–Wasserburg diagrams, representing the back and front faces of the total-Pb/U isochron diagram. — 2018