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This includes rocks like basalt, which is a type of solidified lava.
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And accurate dating of organic material is only possible if these remains are relatively young.The best-known ways to assign age to an object is through several techniques jointly known as radiometric dating, also called radioisotope dating.Radiometric dating is based on the fact that some radioactive elements undergo decay to produce new elements.For instance, in the case of uranium-lead dating, uranium 238 (the parent element) will eventually decompose to lead 206 (the daughter).
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How can scientists claim rocks, fossils or a bone or tooth to be of a certain age?What methods are used for this dating and are they reliable?
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