Using relative dating what can geologists determine pros and cons of traditional dating

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Different isotopic elements-such as uranium, rubidium, argon, and carbon-have varying (but constant) rates of radioactive decay.

This constancy provides a "radiometric clock," allowing scientists to analyze rock samples…

Relative dating does not provide actual numerical dates for the rocks.

Fossils are important for working out the relative ages of sedimentary rocks.

The method of reading the order is called stratigraphy (layers of rock are called strata).Suppose you find a fossil at one place that cannot be dated using absolute methods.That fossil species may have been dated somewhere else, so you can match them and say that your fossil has a similar age.Now because the mid ocean ridges are place of divergent where plates move apart, the rock farther away from the ridges are older than the younger ones that are just form close to the ride. The absolute dating use Isotopes and radiometric dating meaning they have… The absolute age (or direct dating) of a fossil is determined by knowing the age of the surrounding rock.The most common way is by radiometric dating, a method that relies on the natural radioactivity of certain elemental isotopes.

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