An atmosphere can be cretaceous.Logical formLearned from3 sentences. Temperatures may pertain-to a cretaceous period.Logical formLearned from3 sentences. Cretaceous age may undergo a formation.Logical formLearned from3 sentences. Marsupials can be cretaceous.Logical formLearned from3 sentences. An upper greensand can be cretaceous.Logical formLearned from3 sentences. (Basement rocks) can be cretaceous.Logical formLearned from3 sentences. A caldera can be cretaceous.Logical formLearned from3 sentences. A deformation can be cretaceous.Logical formLearned from3 sentences. Marls can be cretaceous.Logical formLearned from3 sentences. A site may date to a cretaceous period.Logical formLearned from3 sentences. Dinosaurs may live in a late cretaceous period.Logical formLearned from3 sentences. An extinction may end a cretaceous period.Logical formLearned from3 sentences. A play can be cretaceous.Logical formLearned from2 sentences. (Coal mine veins) may be formed in a cretaceous period.Logical formLearned from2 sentences. Spiders can be cretaceous.Logical formLearned from2 sentences.