6 rules relative age dating


20-Oct-2017 19:05

Geologists establish the age of rocks in two ways: numerical dating and relative dating.

Numerical dating determines the actual ages of rocks through the study of radioactive decay.

Geologists use this type of method all the time to establish relative ages of rocks.

Now, what if instead of being horizontal, this rock layer was found in a tilted position?

In order to establish relative dates, geologists must make an initial assumption about the way rock strata are formed. sediments, which are deposited and compacted in one place over time.Inclusions are always older than the sedimentary rock within which they are found.Other times, geologists discover patterns in rock layers that give them confusing information.Free 5-day trial Discover how geologists study the layers in sedimentary rock to establish relative age.

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Learn how inclusions and unconformities can tell us stories about the geologic past.

These items are called inclusions - foreign bodies of rock or mineral enclosed within another rock.



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