Viñita Formation
The Viñita Formation is a geological formation in Coquimbo , Chile , whose strata date back to the Late Cretaceous ( Santonian to Maastrichtian ) . 
<triplet> Viñita Formation <subj> Coquimbo <obj> located in the administrative territorial entity <triplet> Santonian <subj> Late Cretaceous <obj> part of