Other questions in this quiz

2. what conditions are need for pyritisation?

  • Anaerobic and sulfur bacteria
  • sulfur bacteria and oxygen
  • sandy sediment
  • shallow sea

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

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

4. What are exceptional methods of preservation?

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

5. what is a common example of pyritisation?

  • Petrified wood
  • trilobites
  • plants
  • ammonites


James Disney

Petrified wood is an example of Silicification, not pyritisation

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