AI-generated Unit 8 – Geologic Time and Earth's History cheatsheets for Intro to Geology with one-page visual study aids for the key concepts, formulas, and definitions from this unit.
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Unit 8 - 8.1 Relative and absolute dating methods

Unit 8 - 8.3 Fossils and the fossil record

Unit 8 - 8.4 Principles of stratigraphy and correlation