Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN: 9780134746241
Author: Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher: PEARSON
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How is the age of the Earth determined?  Which isotopes are used?  What is the half life of the most common isotope?  Is there any object in our solar system older than the Earth?

Expert Solution
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Radiometric Method:

  • It is the appropriate method of determining the age of the the earth. 
  • This method was first used by an American pioneer radiochemist - Bertram Borden Boltwood was introduced the radiometric method in order to identify the information regarding the age of  rocks and other geological features including the age of the earth and fossil life forms. 
  • With the help of this method scientist assumed the appropriate age of the earth as they estimate the age of the earth as 4.5 million years ago. 
  • They calculate the age by using the formula and mathematical equations - 4.5 billions years ago and  age dating of meterorites.
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