​There are two main ways to determine the age of a rock, these are Relative dating and Absolute dating. Relative dating is used to determine the relative order of past events by comparing the age of one object to another.​There are two main ways to determine the age of a rock, these are Relative dating and Absolute dating

What are the two basic approaches to age dating rocks?

There are two basic approaches: relative age dating, and absolute age dating. Here is an easy-to understand analogy for your students: relative age dating is like saying that your grandfather is older than you.