Radiometric dating

Methods for age determination of rocks and fossils by measuring the proportions of naturally occurring radioactive isotopes to their decay products.
This category is also used for age dating (radiometric), argon-argon dating, lead-210 dating, and radiometric age determination.

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Core OL-92 from Owens Lake, southeast California

The drilling project at Owens Lake commenced in April, 1991. This Open-File Report represents an effort to make available to other researchers our preliminary data collected during the first year of study following completion of the core-drilling phase.