Los Alamitos Formation
The Los Alamitos Formation is a geological formation of the North Patagonian Massif in Rio Negro Province , northwestern Patagonia , Argentina , whose strata date back to the Late Cretaceous ( Late Campanian to Maastrichtian ) . 
<triplet> Los Alamitos Formation <subj> formation <obj> instance of <subj> Rio Negro Province <obj> located in the administrative territorial entity <triplet> Late Cretaceous <subj> Late Campanian <obj> has part <triplet> Late Campanian <subj> Late Cretaceous <obj> part of