1. Abounding in chalk

1. From 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
   - Cretaceous period

1. Of or relating to or denoting the third period of the Mesozoic era

See also: chalk

Type of: geological period, period

Part of: Age of Reptiles, Mesozoic, Mesozoic era

Encyclopedia: Cretaceous

• second growth
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• Second Vatican Council
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