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Definition
| Fossils considered to represent a certain period in earth's past. |
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Definition
| A theoretical picture inwhich layers of rock from around the world are meshed together into a single, unbroken record of Earth's past. |
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Definition
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Term
| Two assumptions made to create the geological column: |
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Definition
1. they think that every layer represents a different time period (era)in the past.
2.they assume that the fossils found in a layer of rock are accurate indicators of which time period the rock was formed. |
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