Ronnie's costar Sammi "Sweetheart" Giancola previously had an on-again, off-again relationship for years before eventually going their separate ways.
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A commonly accepted method of bone dating is the radiocarbon method, but radiocarbon dating is limited to material younger than 40–60 ka.
To date, direct dating of bone samples by U-series methods has not been successful because of post-depositional uranium uptake.
Ratios of C/N, commonly used as an indicator of bone preservation, were also measured here.
Modern bones and bone collagen showed collected in Magurska Cave (Tatra Mts, Poland) gave consistent results.
The sample age is based on the difference between the initial ratio of U with the environment (i.e., that it is a closed system.) The method is used for samples that can retain Uranium and Thorium, such as carbonate sediments, bones and teeth.
Ages between 1000 and 300,000 years have been reported.
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Instead, the uranium-thorium technique calculates an age from the degree to which secular equilibrium has been restored between the radioactive isotope thorium-230 and its radioactive parent uranium-234 within a sample.