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Buried in Stone: How Living Things Become Fossils

Science Trek | Fossils: Forming Fossils

PBS.org2026.03.31Updated 5d ago
Science Trek | Fossils: Forming Fossils

It takes a special process to create a fossil. Follow the process from the living thing to the mineral fossil.

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Fossils form through a specialized geological process that transforms living organisms into mineral records over millions of years. This natural preservation method requires specific environmental conditions and chemical changes to create the fossilized remains we study today. Understanding fossil formation reveals how scientists unlock Earth's ancient history.

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