The most optimal samples for accurate U-Th dating are those that exist in closed systems, including speleothems and corals. In some cases, bones and lake sediments may also be used, but the state of your samples should be carefully considered prior to planning your analysis and interpreting U-Th dating results.
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U-Th dating is an analytical method used to date calcium carbonate (CaCO3) bearing samples, including cave deposits/speleothems, CaCO3 rock, corals, shells and (in some cases) bones.
The analysis of the uranium-thorium (U-Th) decay chain can be used to date a variety of calcium carbonate (CaCO3) bearing samples, including cave deposits (e.g. speleothems), calcium carbonate rock, corals, shells and (in some cases) bones. This method can be used to date samples existing from present day until 500,000 calendar years before present.
Register here to view Isobar Science’s free webinar on Strontium Isotopes available on demand.
Live Webinar: February 17, 2021
Speaker: Dr. Arash Sharifi, VP of Lab Operations at Isobar Science
Register to watch Isobar’s U-Th Dating Webinar on-demand.
Live Webinar: January 27, 2021
Speaker: Dr. Maren Pauly, Beta Analytic and Isobar Science Account Manager