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Named after American physicist George Wetherill. From circa 1956.
Etymology from Wiktionary, CC BY-SA 4.0.
Wetherill diagram
Today it means: A type of concordia diagram, used in the context of uranium–lead dating, whose axes are the ratios ²⁰⁶Pb/²³⁸U and ²³⁷Pb/²³⁵U. Full definition →