Description: Currently you are watching K ar dating accuracy and precision porn video uploaded to: Domination porn category. You can find more videos like K ar dating accuracy and precision below in the related videos section. Potassium—argon dating , abbreviated K—Ar dating , is a radiometric dating method used in geochronology and archaeology. It is based on measurement of the product of the radioactive decay of an isotope of potassium K into argon Ar. Potassium is a common element found in many materials, such as micas , clay minerals , tephra , and evaporites. In these materials, the decay product 40 Ar is able to escape the liquid molten rock, but starts to accumulate when the rock solidifies recrystallizes. The results demonstrate that the technique is capable of achieving K Ar dates as young as a with a few centuries accuracy. A precision of ± % is.
Added: 30.11.2018 at 09:20
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