Description: Currently you are watching Potassium argon dating archaeology wow porn video uploaded to: Smoking porn category. You can find more videos like Potassium argon dating archaeology wow 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 amount of argon sublimation that occurs is a function of the purity of the sample, the composition of the mother material, and a number of other factors. Time since recrystallization is calculated by measuring the ratio of the amount of 40 Ar accumulated to the amount of 40 K remaining. This dating method is based upon the decay of radioactive potassium to radioactive argon in minerals and rocks; potassium also decays. Potassium-argon dating, method of determining the time of origin of rocks by archaeology.
Added: 09.04.2019 at 00:07
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