Bostobe Formation
The Bostobe Formation is a geological formation in Qaraghandy & Qyzylorda , Kazakhastan whose strata date back to the Late Cretaceous ( Santonian to early Campanian stages , approximately 85 Ma ) . 
<triplet> Bostobe Formation <subj> formation <obj> instance of <triplet> Late Cretaceous <subj> early Campanian <obj> has part <triplet> Santonian <subj> Late Cretaceous <obj> part of <triplet> early Campanian <subj> Late Cretaceous <obj> part of