Over the last several years there have been successful efforts to develop new radiochronometry methods for uranium based on parent/progeny pairs of U-234/Ra-226, U-235/Ac-227, and U-235/Pa-231 beyond the more traditional U-234/Th-230. All of these newer methods have benefited from the significantly improved sensitivity of mass spectrometry instrumentation. However, they have also confined themselves to measuring radioactive decay progeny with longer half-lives: Ra-226 (1600 years), Ac-227 (21 years), Th-230 (75,380 years), and Pa-231<br/>(32,670 years). This presentation will examine potential strategies for uranium radiochronometry determinations based on nuclear counting techniques.

Potential strategies for uranium chronometry using nuclear counting techniques

2019 Fall National Meeting

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