Rock formation · Chubut Province
Cerro Barcino Formation
Early to earliest Late Cretaceous unit of the Chubut Group, Patagonia; its Cerro Castaño Member (latest Albian, 101.62 Ma) yielded Patagotitan.
A formation is a body of rock laid down in one setting over a stretch of time. 1 dinosaur in DinoDex is known from fossils found in it.