Scientific methods of dating the earth Adult free quick cams

magazine has been continuously published since 1978, we are publishing some of the articles from the archives for historical interest, such as this.

For teaching and sharing purposes, readers are advised to supplement these historic articles with more up-to-date ones suggested in the Related Articles and Further Reading below. One crystal showed a U/U date of 4.3 billion years, and the authors therefore claimed it to be the oldest rock crystal yet discovered.

Scientists who use radiometric dating typically use every means at their disposal to check, recheck, and verify their results, and the more important the results the more they are apt to be checked and rechecked by others.

Those of us who have developed and used dating techniques to solve scientific problems are well aware that the systems are not perfect; we ourselves have provided numerous examples of instances in which the techniques fail.

A serious problem here is that all 140 crystals from the same rock unit gave statistically valid information about that rock unit.

No statistician could ever condone a method which selected one value and discarded all the other 139. They found what might have been the world’s oldest rock crystals, but unfortunately they were too old!

First, it provides no evidence whatsoever to support their claim that the earth is very young.

If the earth were only 6000–10 000 years old, then surely there should be some scientific evidence to confirm that hypothesis; yet the creationists have produced not a shred of it so far.

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Second, it is impossible to tell, from the isotope information alone, when the dates are right and when they are wrong.

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