How old is the earth based on radiometric dating

Today, the geologic time scale shows ages based on radiometric age dating.Many textbook authors consider radiometric ages as absolute ages.

Keep in mind that while this chapter reviews the technical details behind radiometric dating, only two very basic but completely catastrophic “fatal flaws” undermine radiometric dating.Trace fossils and the Law of Superposition can only provide the relative age of the rock.Radiometric dating is far more specific in formation analysis.This is called relative age dating, the first step.Next, evolutionary scientists then use to help establish the relative ages of rock layers that are not directly related to one another and their fossils.

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