Other questions in this quiz

2. in replacement what does unstable aragonite change to?

  • Calcite
  • silica
  • it doesn't change
  • Carbon

3. What replaces the fossil material in silicification?

  • Silica Dioxide
  • Carbon
  • Sulfur
  • Iron Pyrite

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

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

5. What causes carbonisation?

  • little carbon in environment
  • metamorphism
  • compaction
  • thin burial

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