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2. Luminescence dating - Wikipedia

   en.wikipedia.org/wiki/Luminescence_dating

   Ages can be obtained outside these ranges, but they should be regarded with caution. The uncertainty of an OSL date is typically 5-10% of the age of the sample. [5] There are two different methods of OSL dating: multiple-aliquot-dose and single-aliquot-regenerative-dose (SAR).

3. Absolute dating - Wikipedia

   en.wikipedia.org/wiki/Absolute_dating

   Absolute dating is the process of determining an age on a specified chronology in archaeology and geology. Some scientists prefer the terms chronometric or calendar dating, as use of the word "absolute" implies an unwarranted certainty of accuracy. [1] [2] Absolute dating provides a numerical age or range, in contrast with relative dating ...

4. Radiometric dating - Wikipedia

   en.wikipedia.org/wiki/Radiometric_dating

   The use of radiometric dating was first published in 1907 by Bertram Boltwood [2] and is now the principal source of information about the absolute age of rocks and other geological features, including the age of fossilized life forms or the age of Earth itself, and can also be used to date a wide range of natural and man-made materials.

5. Radiocarbon dating - Wikipedia

   en.wikipedia.org/wiki/Radiocarbon_dating

   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 the University of Chicago by Willard Libby.

6. Age of Earth - Wikipedia

   en.wikipedia.org/wiki/Age_of_Earth

   Holmes published The Age of the Earth, an Introduction to Geological Ideas in 1927 in which he presented a range of 1.6 to 3.0 billion years. No great push to embrace radiometric dating followed, however, and the die-hards in the geological community stubbornly resisted.

7. 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.