How do you measure tiny fossils? – Climate Change Zone

Question: How do you measure tiny fossils?
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Asked by Rabbit 22 to Elaine on 7 Mar 2016.
- Elaine Mawbey answered on 7 Mar 2016:
  
  Hi Rabbit22,
  I measure the chemistry of tiny fossils. The fossils are made of a mineral called calcium carbonate which dissolves in acid. So I dissolve my samples and then run them through a machine called a mass spectrometer, this machine breaks the dissolved sample down into its elements and then measures the concentration of the elements in the sample.

Question: How do you measure tiny fossils?