petrifications

the museum displayed various petrifications from ancient forests.

scientists study petrifications to understand past climates.

some petrifications can be millions of years old.

petrifications provide valuable insights into prehistoric life.

visitors were amazed by the large petrifications in the park.

the process of forming petrifications can take thousands of years.

she collected small petrifications during her hike.

petrifications are often found in sedimentary rock layers.

many petrifications are mistaken for fossils.

they used petrifications as evidence in their geological study.