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2. Radiocarbon dating - Wikipedia

   en.wikipedia.org/wiki/Radiocarbon_dating

   Radiocarbon dating helped verify the authenticity of the Dead Sea scrolls. Radiocarbon dating (also referred to as carbon dating or carbon-14 dating) is a method for determining the age of an object containing organic material by using the properties of radiocarbon, a radioactive isotope of carbon . The method was developed in the late 1940s at ...

3. Rubidium–strontium dating - Wikipedia

   en.wikipedia.org/wiki/Rubidium–strontium_dating

   The rubidium-strontium dating method (Rb-Sr) is a radiometric dating technique, used by scientists to determine the age of rocks and minerals from their content of specific isotopes of rubidium (87 Rb) and strontium (87 Sr, 86 Sr). One of the two naturally occurring isotopes of rubidium, 87 Rb, decays to 87 Sr with a half-life of 49.23 billion ...

4. Argon–argon dating - Wikipedia

   en.wikipedia.org/wiki/Argon–argon_dating

   Argon–argon (or 40 Ar/ 39 Ar) dating is a radiometric dating method invented to supersede potassium–argon (K/Ar) dating in accuracy. The older method required splitting samples into two for separate potassium and argon measurements, while the newer method requires only one rock fragment or mineral grain and uses a single measurement of argon isotopes.

5. Jon Bon Jovi and Wife Dorothea’s Relationship Timeline - AOL

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   After nearly 10 years of dating, the two tied the knot in a spur-of-the-moment ceremony in Las Vegas in 1989. The band Bon Jovi had been on their New Jersey Syndicate tour when Jon suggested the ...

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.

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