Can relative dating always be used

01 Dec

We'll even visit the Grand Canyon to solve the mystery of the Great Unconformity!

These use radioactive minerals in rocks as geological clocks.Relative dating cannot establish absolute age, but it can establish whether one rock is older or younger than another.Relative dating requires an extensive knowledge of stratigraphic succession, a fancy term for the way rock strata are built up and changed by geologic processes.Throughout the history of life, different organisms have appeared, flourished and become extinct.Many of these organisms have left their remains as fossils in sedimentary rocks.