Other questions in this quiz

2. an external mould has what features of the shell?

  • External features
  • soft parts only
  • interal features
  • mostly hard parts

3. What are exceptional methods of preservation?

  • carbonisation and silicification
  • Amber and Tar
  • carbonisation and amber
  • Tar and pyritisation

4. what is a common example of pyritisation?

  • ammonites
  • Petrified wood
  • plants
  • trilobites

5. where is pyritisation common?

  • iron rich sediment
  • silica rich sediment
  • deep sea or shallow swamp
  • shallow sea or shallow swamp


James Disney


Petrified wood is an example of Silicification, not pyritisation

Similar Geology resources:

See all Geology resources »See all methods of preservation resources »