Radiometric dating failures

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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. About 2. For our topic on radiometric dating and fractional crystallization, there is nothing that would prevent uranium and thorium ores from crystallizing within the upper, lighter portion of the magma chamber and descending to the lower boundaries of the sialic portion. Another interesting fact is that isochrons can be inherited from magma into minerals. If one does not know the geologic period of a rock by other means, then of course one is likely to date it to find out, and then of course the date agrees with the geologic period and this will not be seen as anomalous. It is possible that the reason is that uranium-lead dates so rarely agree with the correct dates. The squashing is in the vertical direction, and I can't think of any way this could happen at a time later than the burial of the logs or whatever under a lot of sediment.

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These rocks were dated by a variety of different methods.

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Radiometric Dating Does Work!

What has to happen next to get an isochron is that the uranium or thorium has to concentrate relative to the lead isotopes, more in some places than others. Someone pointed out to me that many Rb-Sr isochrons are super isochrons. For the Po half-life of 3 minutes only a matter of minutes could elapse between the formation of the Po and subsequent crystallization of the mica; otherwise the Po would have decayed, and no ring would be visible. But crustal rocks were not repeatedly melted. The conclusion is the same, radiometric dating is in trouble. But on page yes, just two pages after the section the critic quotes the text proposes a mechanism for heat removal.

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