Tera–Wasserburg diagram

Etymology
Named after geologists Fouad Tera and G. J. Wasserburg. From circa 1972.

Noun

 * 1)  A type of concordia diagram, used in the context of, whose axes are the ratios 207Pb/206Pb and 238U/206Pb.

Translations

 * French:
 * German: Tera-Wasserburg-Diagramm
 * Italian: