Dating fossils and rock
Sometimes only one method is possible, reducing the confidence researchers have in the results. ‘They’re based on “it’s that old because I say so,” a popular approach by some of my older colleagues,’ says Shea, laughing, ‘though I find I like it myself as I get more gray hair.’ I don’t recall such a candid admission being recorded in my science textbooks.
Scientists could, for example, say that one particular item is older or younger than another item based on these relative methods, but they could not assign a numerical age to the items.
The numbers that are given are the and you have to know their respective values in order to solve for a.
Although the scientific equations that calculate the ages of rocks and fossils are obviously much more complicated, the same principle applies. in Finance, Minor in Economics, and a passion for science, research, Christian apologetics, and writing.
It is declared: When it comes to determining the age of stuff scientists dig out of the ground, whether fossil or artifact, ‘there are good dates and bad dates and ugly dates,’ says paleoanthropologist John Shea of Stony Brook University.
The good dates are confirmed using at least two different methods, ideally involving multiple different independent labs for each method to cross-check results.
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