Other questions in this quiz

2. what is a common example of pyritisation?

  • trilobites
  • plants
  • Petrified wood
  • ammonites

3. what conditions are need for pyritisation?

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

4. where is pyritisation common?

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

5. What replaces the fossil material in silicification?

  • Iron Pyrite
  • Silica Dioxide
  • Sulfur
  • Carbon


James Disney


Petrified wood is an example of Silicification, not pyritisation

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