The process of radioactive dating


However, by itself a fossil has little meaning unless it is placed within some context.The age of the fossil must be determined so it can be compared to other fossil species from the same time period.

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Layers of rock are deposited horizontally at the bottom of a lake (principle of original horizontality).For example, in the rocks exposed in the walls of the Grand Canyon (Figure 1) there are many horizontal layers, which are called strata.The study of strata is called stratigraphy, and using a few basic principles, it is possible to work out the relative ages of rocks.There are three general approaches that allow scientists to date geological materials and answer the question: "How old is this fossil?



The process of radioactive dating comments


  • Radioactive Dating profil de paulette60

    paulette60

    Aug 9, 2000. Radioactive Dating. The technique of comparing the abundance ratio of a radioactive isotope to a reference isotope to determine the age of a material is called radioactive dating. Many isotopes have been studied, probing a wide range of time scales. The isotope 14C, a radioactive form of carbon.…
  • How Does Radiocarbon Dating Work? - Instant Egghead #28. profil de paulette60

    paulette60

    Dec 4, 2012. How do scientists determine the age of fossils that have been under the surface of the earth for thousands of years? Scientific American Editor Michael Moyer.…