Other questions in this quiz

2. where is pyritisation common?

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

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

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

4. what is a common example of pyritisation?

  • Petrified wood
  • trilobites
  • plants
  • ammonites

5. What are exceptional methods of preservation?

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


James Disney


Petrified wood is an example of Silicification, not pyritisation

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