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5.3 Why are fossils found in sedimentary rocks?
- Fossil fuels - coal, oil, and natural gas
- From organic matter deposited with sediments
- Stored chemical energy from the Sun
- Directly from plants as sediment
- Or from organisms that consume plants, or that consume them in turn
- Energy can be released by oxidation (burning)
- Locating fossil fuels requires a knowledge of sedimentary rocks.