Titanosaurids can be cretaceous.Logical formLearned from2 sentences. (Quartz sandstones) can be cretaceous.Logical formLearned from2 sentences. (Age layers) can be cretaceous.Logical formLearned from2 sentences. Seas can be prevalent during a late cretaceous period.Logical formLearned from2 sentences. A cretaceous age may pertain-to rocks.Logical formLearned from2 sentences. A pair may land in a cretaceous period.Logical formLearned from2 sentences. A formation can be a geologic formation of cretaceous age.Logical formLearned from2 sentences. A geologic formation can be constituted-of-or-filled-with cretaceous age.Logical formLearned from2 sentences. Formations may be lay_downed in a cretaceous period.Logical formLearned from2 sentences. A cretaceous sea may recede.Logical formLearned from2 sentences. A hill can be cretaceous.Logical formLearned from2 sentences. Strata can be cretaceous.Logical formLearned from2 sentences. A (thrust faulting) can be cretaceous.Logical formLearned from2 sentences. An (impact structure) may date from an end of a cretaceous period.Logical formLearned from2 sentences. A male may determine a cretaceous age of rocks.Logical formLearned from2 sentences.