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Geological Time Worksheet

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Geologic Time Worksheet

Use the following table to compare ways of evaluating geologic time. Your description, similarities, and differences must each be at least 50 words.

|Time Evaluation Method |Description |Advantages of this Method |Disadvantages of this Method |
|Relative dating |The ability to figure out past |By looking at the layers of |The disadvantages to this study |
| |sequences of events thus telling|sediment stacked on top of each |and the determining how old |
| |us the approximate age |other and studying the fossils |these layers of sediment might |
| |difference from one formation to|found within these layers gives |be is the fact that we do not |
| |another. This was done by |us the ability to formulate the |know how long it took to make |
| |looking at the different layers |approximate age of each layer |one layer. We also do not know |
| |of sediment formed in a mountain|and how long it took to form |if there was a time period that |
| |side which turned into rock. The|each layer. Also we can tell |a layer of sediments was not |
| |layers piled upon each other let|that any fractures in the layers|placed on the layers already in |
| |us know that the lower you go |means the layers are older than |place. Plus we cannot tell if a |
| |the older the layer. |the fractures. |layer was removed from erosion. |
|Absolute dating |Absolute dating is used by

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