##### Asked by: Alban Huergo

asked in category: General Last Updated: 11th February, 2020# Why is radiometric dating referred to as absolute dating?

**Absolute dating**is used to determine a precise age of a rock or fossil through

**radiometric dating**methods. This uses

**radioactive**minerals that occur in rocks and fossils almost like a geological clock. It's often much easier to

**date**volcanic rocks than the fossils themselves or the sedimentary rocks they are found in.

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Also, what does absolute dating mean?

**Absolute dating is** the process of determining an **age** on a specified chronology in archaeology and geology. Some scientists prefer the terms chronometric or calendar **dating**, as use of the word "**absolute**" implies an unwarranted certainty of accuracy.

One may also ask, what is the difference between relative dating and absolute dating? **absolute dating** is based on calculations of the age of rock strata based on half lives of minerals, **relative dating** is based on the assumed age of fossils found **in the** strata and the laws of super imposition.

Considering this, is radiometric dating the same as carbon dating?

**Radiocarbon dating** method **Radiocarbon dating** is also simply called **carbon**-14 **dating**. **Carbon**-14 is a **radioactive** isotope of **carbon**, with a half-life of 5,730 years (which is very short compared with the above isotopes), and decays into nitrogen.

What is examples of absolute dating?

Because of their unique decay rates, different elements are used for **dating** different age ranges. For **example**, the decay of potassium-40 to argon-40 is used to **date** rocks older than 20,000 years, and the decay of uranium-238 to lead-206 is used for rocks older than 1 million years.