Which of the following is the relatively most accurate method for dati...
Electron Spin Resonance Method for Dating Fossils
The most accurate method for dating fossils is the Electron Spin Resonance (ESR) method. Let's understand the method in detail:
What is Electron Spin Resonance Method?
Electron Spin Resonance (ESR) dating is a method that is used to date materials containing atoms with unpaired electrons, such as organic and inorganic materials, tooth enamel, and fossil bones. This method is based on the fact that electrons become trapped in the mineral's crystalline structure over time due to exposure to natural radiation. The trapped electrons then accumulate over time, and their number can be measured to determine the age of the fossil.
Advantages of ESR Method:
1. Accurate: The ESR method is relatively more accurate than other dating methods.
2. Wide Range of Application: The ESR method can be used to date materials that are millions of years old.
3. Non-destructive: The ESR method is a non-destructive method, which means that the fossil can be preserved after the testing is done.
Limitations of ESR Method:
1. Requires Large Sample: The ESR method requires a relatively large sample size, which may not always be possible in the case of fossils.
2. Limited Availability: The ESR method is not widely available, and only a few laboratories are equipped to perform the testing.
3. Complex Process: The ESR method is a complex process that requires specialized equipment and trained personnel.
Conclusion:
In conclusion, the ESR method is considered the most accurate method for dating fossils. Although it has some limitations, the ESR method provides valuable information about the age of fossils and their evolutionary history.
Which of the following is the relatively most accurate method for dati...
Electron-spin resonance method is relatively the most accurate method for dating of fossils.