What is the difference between radiological and relative dating


22-Jan-2020 06:40

To determine the relative age of different rocks, geologists start with the assumption that unless something has happened, in a sequence of sedimentary rock layers, the newer rock layers will be on top of older ones. This rule is common sense, but it serves as a powerful reference point.Geologists draw on it and other basic principles ( to determine the relative ages of rocks or features such as faults.The narrower a range of time that an animal lived, the better it is as an index of a specific time.No bones about it, fossils are important age markers.

With absolute age dating, you get a real age in actual years.

That’s because zircon is super tough – it resists weathering. Each radioactive isotope works best for particular applications.



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