Roxana channelPosted on 2020 April
However, it is unrealistic to expect a pure crystal to form in nature. Ages between and , years have been reported. Can be improved?
As far as I know, it's anyone's guess, but I'd appreciate more information on this. Under this condition, the age of the sample can be calculated by assuming exponential decay of uranium Any process that is concentrating one isotope of radium will probably concentrate the others as well and invalidate these dating methods, too. Furthermore, other radio-isotopic systems can be used as independent lines of evidence to validate the results from the uranium-lead method. Literally thousands of dated materials are now available for use to bracket the various episodes in the history of the Earth within specific time zones.
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