Helium dating

Helium dating may refer to the traditional uranium–thorium dating or uranium-thorium/helium dating.[1]

A relatively new dating method, tritium–helium dating has been developed for determining rates of oxygen utilization in the ocean.[2]

References
  1. http://www.geo.arizona.edu/~reiners/arhdl/longer.htm U-Th/He dating, the University of Arizona Geochronology Lab
  2. http://www.sciencemag.org/cgi/content/abstract/sci;196/4287/291 W. J. Jenkins, Tritium-Helium Dating in the Sargasso Sea: A Measurement of Oxygen Utilization Rates, Science 15 April 1977: Vol. 196. no. 4287, pp. 291 - 292
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