Explainer: How a fossil forms
![](https://www.snexplores.org/wp-content/uploads/2019/11/Sarahs-fossils860_free.jpg)
A collection of nearly 200-million-year-old fossils that the author retrieved from the beach on England’s “Jurassic Coast” during a recent vacation.
Sarah Zielinski
A collection of nearly 200-million-year-old fossils that the author retrieved from the beach on England’s “Jurassic Coast” during a recent vacation.
Sarah Zielinski