Dating age formula wikipedia


27-Jul-2020 19:09

Below is a table of radiometric ages derived from groups of meteorites: As shown in the table, there is excellent agreement on about 4.5 billion years, between several meteorites and by several different dating methods.Note that young-Earthers cannot accuse us of selective use of data -- the above table includes a significant fraction of all meteorites on which isotope dating has been attempted. 286) , less than 100 meteorites have been subjected to isotope dating, and of those about 70 yield ages with low analytical error.The ampersand ( & ) is a concatenation symbol in Excel.One use for concatenation is to join number data and text data together when used in a single formula.The oldest rocks which have been found so far (on the Earth) date to about 3.8 to 3.9 billion years ago (by several radiometric dating methods).Some of these rocks are sedimentary, and include minerals which are themselves as old as 4.1 to 4.2 billion years.

dating age formula wikipedia-74

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The formula also makes use of the TODAY() function to enter the current date into the DATEDIF formula.Since the TODAY() function uses the computer's serial date to find the current date, the function continually updates every time a worksheet is recalculated.



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