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    Radiometric dating and relative dating Chatfree ee free web cams no email no sign in no join

    Two general processes used to figure out the age of rocks is relative dating and radiometric dating.We will compare and contrast the strengths and weaknesses of both methods.However, rocks and other objects in nature do not give off such obvious clues about how long they have been around.So, we rely on radiometric dating to calculate their ages.Radiometric dating, or radioactive dating as it is sometimes called, is a method used to date rocks and other objects based on the known decay rate of radioactive isotopes.

    radiometric dating and relative dating-59

    Tools in the category of radiometric dating are based on the known rates of radioactive decay of isotopes and this allow some samples to be assigned a certain age to within some accuracy.A Danish scientist, Nicolaus Steno is accredited for the Law of Superposition.This law basically tells us that each layer of sedimentary rock is younger than the one below it which is depicted in figure 8.3 in the text.Another relative dating process is the Principle of Cross-Cutting Relationships.This takes place when faults force themselves through older rocks.

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