Fossils

The fossils of the chalk

The chalk is itself an accumulation of fossil fragments. In certain cases, whole individuals can be protected. According to their size, fossils are classified there:

  • Macrofossils,
  • Microfossils and naanofossiles, with among which:

Foraminifères
Coccolithes,
Dinoflagellés.

The fossil bodies can they left that imprints of their activity (ichnofaune). Finally, they can reshaped the chalky mud on or in which they lived (bioturbation).