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2. Uranium–thorium dating - Wikipedia

   en.wikipedia.org/wiki/Uranium–thorium_dating

   Uranium–thorium dating. Uranium–thorium dating, also called thorium-230 dating, uranium-series disequilibrium dating or uranium-series dating, is a radiometric dating technique established in the 1960s which has been used since the 1970s to determine the age of calcium carbonate materials such as speleothem or coral. [1][2] Unlike other ...

3. Uranium–lead dating - Wikipedia

   en.wikipedia.org/wiki/Uranium–lead_dating

   Uranium–lead dating, abbreviated U–Pb dating, is one of the oldest [1] and most refined of the radiometric dating schemes. It can be used to date rocks that formed and crystallised from about 1 million years to over 4.5 billion years ago with routine precisions in the 0.1–1 percent range. [2][3] The method is usually applied to zircon.

4. Uranium–uranium dating - Wikipedia

   en.wikipedia.org/wiki/Uranium–uranium_dating

   Uranium–uranium dating is a radiometric dating technique which compares two isotopes of uranium (U) in a sample: uranium-234 (234 U) and uranium-238 (238 U). It is one of several radiometric dating techniques exploiting the uranium radioactive decay series, in which 238 U undergoes 14 alpha and beta decay events on the way to the stable isotope 206 Pb.

5. These 75 Chemistry Pick Up Lines Will Definitely Spark ... - AOL

   www.aol.com/75-chemistry-pick-lines-definitely...

   How To Flirt Without Using Pick Up Lines, According to Dating Experts 60 Funny and Cute Flirty Memes to Send to Your Crush 130 of the Best Fun and Flirty Texts To Send the Guy You’re Crushing On

6. Radiometric dating - Wikipedia

   en.wikipedia.org/wiki/Radiometric_dating

   Radiometric dating. Radiometric dating, radioactive dating or radioisotope dating is a technique which is used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they were formed. The method compares the abundance of a naturally occurring radioactive isotope within the material to ...

7. Veterans cemetery honors 28 unclaimed veterans dating back to ...

   www.aol.com/news/veterans-cemetery-honors-28...

   Sep. 19—A bell rang 28 times Thursday, once for each of the unclaimed veterans who were being interred at Washington State Veterans Cemetery outside Medical Lake. Military honors, including a ...