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Relative Time
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Lecture 5
2/11/98
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| | On Monday, we looked at the geologic principles that form the basis of our understanding of the rock record |
| | Today, we will look at how these principles were used to develop the Geologic Time scale |
| | The Geologic Time scale provides a relative measure of time. |
| | The Geologic Time scale is based on the fossil record |
| Subdivisions of the Cryptozoic |
| Subdivisions of the Phanerozoic |
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