They include potassium-argon dating, thats useful for rocks over 100,000 years old. Theres also uranium-lead dating, which has an age range of 1-4.5 million years old.

## What is another word for carbon-14 dating?

radiocarbon dating the determination of the age of objects of organic origin by measurement of the radioactivity of their carbon content. Also called carbon-14 dating.

## What is carbon dating short?

Carbon-14 dating, also called radiocarbon dating, method of age determination that depends upon the decay to nitrogen of radiocarbon (carbon-14). Because carbon-14 decays at this constant rate, an estimate of the date at which an organism died can be made by measuring the amount of its residual radiocarbon.