Multiple choice general knowledge science & technology

The age of most ancient geological formations is estimated by

  1. Ra - Si method

  2. Potassium - argon method

  3. C14 method

  4. Uranium - lead method

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The uranium-lead radiometric dating method has a very long half-life, making it ideal for determining the age of extremely ancient geological formations, rocks, and minerals that are millions or billions of years old. Carbon-14 is used for much younger organic materials.