Question

Mention two drawbacks of the sedimentation method in determining the age of the earth

Answer 1

Answer:

1. The rate of sedimentation per year is not the same every year and it differs from place to place

2. Many interruptions occur in the sequence of sedimentary rocks.

Explanation:

Answer 2

Drawbacks of the sedimentation method:

• The rate of sedimentation differs from one year to the successive and varies with places. Hence sedimentation technique in dating earth age does not produce a balanced result.  
• There involved many hindrances in sequencing.  
• The third most foremost reason laying to its demerit is in restricted use of the technique. This can only be used for the determination of unheated sediments and that too not more than 500000 years old.  
• This technique makes sampling difficulty because the samples of sediments that is to be tested for the dating process cannot be exposed to light as it would reset the clock.

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