Asencio Formation
The Asencio Formation is a geological formation in the Paraná Basin of southwestern Uruguay whose strata date back to the Late Cretaceous ( Campanian-Maastrichtian ) . 
<triplet> Asencio Formation <subj> formation <obj> instance of <triplet> Late Cretaceous <subj> Campanian <obj> has part <triplet> Campanian <subj> Late Cretaceous <obj> part of <triplet> Maastrichtian <subj> Late Cretaceous <obj> part of