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| Pregunta | Respuesta |
| What is permineralization? | Rock like minerals seep slowly and replace original organic tissues. Forming a rock like fossil. |
| Unaltered Preservation | Insects or plant is trapped in amber |
| What is replacement? | an organisms hard parts are replaced by other minerals |
| What is Carbonization? | only carbon specimens are removed |
| What is recrystallisation? | Hard parts either revert to more stable minerals or small crystals turn into larger crystals. |
| What is Authigenic Preservation? | Moulds and casts of organisms thats have been destroyed or dissolved |
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