Web Directory gma Free Links Directory

UPSC Courses

DNA banner


  • 17 October, 2022

  • 5 Min Read

Carbon Dating

Carbon Dating

A Varanasi district court recently denied a request to carbon date a disputed structure that was allegedly discovered on the grounds of the Gyanvapi Mosque.

How does carbon dating work?

  • Carbon dating is a popular technique for figuring out how old organic materials—i.e., things that were once alive—are.

  • Carbon exists in a variety of forms in all living things.
  • The carbon-14 (C-14) dating method is based on the fact that C-14 is radioactive and decays at a predictable rate.
  • The carbon isotope C-14 has an atomic mass of 14.
  • C-12 is the most prevalent form of carbon in the atmosphere.
  • There is also a tiny amount of C-14.
  • In the atmosphere, the ratio of C-12 to C-14 is almost constant and well-known.
  • The age of non-living objects, like rocks, cannot be ascertained using the carbon dating method.
  • Additionally, carbon dating cannot determine the age of objects older than 40,000–50,000 years.
  • This is due to the fact that the amount of C-14 becomes incredibly small and nearly undetectable after 8–10 cycles of half-lives.


  • It has been shown to be an effective method for dating fossils and archaeological artifacts that range in age from 500 to 50,000 years.

  • Geologists, anthropologists, archaeologists, and researchers in related fields frequently employ this technique.

How Carbon Dating Works:

  • Due to the fact that plants and animals obtain their carbon from the atmosphere, they also acquire C-12 and C-14 in a roughly equivalent ratio to what is present in the atmosphere.

  • Animals primarily obtain carbon through food, whereas plants do so through photosynthesis.
  • Their interactions with the atmosphere cease when they pass away.
  • The radioactive element C-14 has a half-life of approximately 5,730 years, whereas C-12 is stable.
  • After an animal or plant dies, the ratio of C-12 to C-14 in its remains changes, and this measurement can be used to estimate when the organism died.

What about alternative dating techniques to carbon dating?

Methods for radiometric dating

This technique bases its dating on the decay of any additional radioactive elements that may be present in the sample. Some varieties of this approach:

  • Potassium-Argon Dating: As potassium's radioactive isotope decays into argon, its ratios can be used to determine a rock's age.
  • Uranium-Thorium-Lead Dating: The radioactive isotopes of uranium and thorium all decay into the stable lead atom. You can measure the ratios of these components in the material and use that information to infer its age.

Read Also: India’s First Aluminum Freight Rake

Source: The Indian Express

World bank logistic performance index 2023

India is now ranked 38th out of 139 nations in the Logistic Performance Index (LPI) 2023 of the World Bank. From its previous rankings of 44th in 2018 and 54th in 2014, this is a notable improvement. Earlier, the Logistics Ease Across Different States (LEADS) Report 2022 was published by the Ministry of Commerce and Industry. About Logi

Smuggling of Gold

Airports discovered more than 63% of this illegal gold. The Department of Revenue Intelligence recently conducted the Golden Dawn Operation across India, seizing 101.7 kg of illegal gold valued at Rs 51 crore. Despite the fact that India receives a legal import of about 800-1,000 tonnes of gold each year, the illicit market is thought to be

India-Thailand Relations

Both parties expressed satisfaction with the ongoing bilateral defence cooperation at the 8th India-Thailand Defence Dialogue, which was held in Bangkok, Thailand. Cultural ties and mutual cooperation that have been shaped by thousands of years of lasting historical and cultural ties characterise India and Thailand relations. Highlight

Translocation of Elephants

The Kerala government's appeal of the order of the Kerala High Court is rejected by the Supreme Court. The Kerala government's appeal against the Kerala High Court's directive to move Arikomban (Wild Elephant), the "rice tusker" of Munnar, to the Parambikulam tiger reserve was recently dismissed by the Supreme Court.

Global Buddhist Summit

Global Buddhist Summit In order to improve diplomatic and cultural ties with other nations, the Ministry of Culture recently organised the First Global Buddhist Summit 2023 in collaboration with the International Buddhist Confederation (IBC). About the summit "Responses to Contemporary Challenges: Philosophy to Praxis" is


Search By Date

Post Feed

Newsletter Subscription
SMS Alerts

Important Links