Relative dating which rock layer formed first

Rated 3.87/5 based on 794 customer reviews

Pretty obvious that the dike came after the rocks it cuts through, right?

relative dating which rock layer formed first-31

Take students on a neighborhood walk and see what you can observe about age dates around you.Here is an easy-to understand analogy for your students: relative age dating is like saying that your grandfather is older than you.Absolute age dating is like saying you are 15 years old and your grandfather is 77 years old.In a way this field, called geochronology, is some of the purest detective work earth scientists do.There are two basic approaches: relative age dating, and absolute age dating.

Leave a Reply