Radiometric dating explained - Radiometric Age Dating

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Though some, such as Cuvier and Smith, believed in multiple catastrophes separated by long periods of time, the uniformitarian concept became the ruling dogma in geology.

  • In their words, for the potassium-argon dating technique to work, At some time before solidification, lava flows must lose the radiogenic Ar 40 that is continually generated by the decay of K 40, otherwise the K-Ar clock will not be reset to zero at the time of solidification.

  • In most cases, the slope of the line generated by the isochron method gives an age for a rock sample of millions, or even billions of years.

There are some isochron results which are obviously incorrect.

  • But when we date the rocks using the rubidium and strontium isotopes, we get an age of 1.

  • Violation of cogenetic requirement One of the requirements for isochron dating is that the samples be cogenetic, meaning that they all formed at about the same time from a common pool of material in which the relevant elements and isotopes were distributed reasonably homogeneously.




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