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Determination of the age of fossil, Biology
N OF THE AGE OF FOSSIL -
-1907) - Half life of uranium is 4.5 billion years.
This means half of total uranium disintegrates into lead in 4.5 billion years 235u decays to 206pb. By calculating the amount of lead in a rock, one can approximately estimate the age of fossil.
Radio carbon method - (
Potassium argon method - Potassium is a common element found in al rocks.
Posted Date: 10/8/2012 9:13:37 AM | Location : United States
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