Rubidium 87 radiometric dating Free chat 0800

Posted by / 17-Aug-2020 06:46

Rubidium 87 radiometric dating

It furnishes some good evidences that creationists often use.But we won’t discuss the C-14 method in this article.One is the Carbon-14 system used for dating fragments of once-living organisms.It’s never used for non-organic samples, and almost never even attempted if the sample is thought to be much older than about 50,000 years.” The only answer to that question is that “good” samples give dates that are in accord with evolutionary presuppositions.

Each team criticized the others’ techniques of rock sample selection.Marvin Lubenow gives a good description of the ten years of controversy surrounding the dating of this skull.4 In the first attempt at dating the KBS Tuff, Fitch and Miller analyzed the raw rocks, and got dates ranging from 212 to 230 MY-the Triassic period, vastly older than expected.Because mammal bones had been found below this stratum, they said these dates were obviously in error because of “the possible presence of extraneous argon derived from inclusions of pre-existing rocks.” Even though the rock looked good, anything older than 5 MY was obviously wrong in view of their knowledge of the “sequence of evolutionary development.” Meanwhile a team from the University of California at Berkeley, led by G. Curtis, analyzed several KBS pumice rocks and found some that were around 1.6 MY and some that were about 1.8 MY.Nontechnical readers can skip the box-figures, however, without losing much.Experimental Errors The methods that give ancient ages produce almost as many “wrong” answers as “right” ones.

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