| Title | Comment | Keywords |
|---|---|---|
| Chronology On the Basis of Superposition | 15:43 - 16:36 (00:53) / 0.7 MB | "geologic time", "Principle of Superposition", "Dee Trent", correlation, Europe, fossil, superposition, chronology |
Coastal & Marine Geology InfoBank
USGS CMG InfoBank Geology School: chronology |
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