Dorotea Formation

Dorotea Formation
Stratigraphic range: Late Campanian-Maastrichtian
~72–66 Ma
TypeGeological formation
UnderliesMan Aike Formation
OverliesTres Pasos Formation
Thickness100–350 m (330–1,150 ft)
Lithology
PrimarySandstone, claystone
OtherConglomerate
Location
Coordinates50°42′S 72°30′W / 50.7°S 72.5°W / -50.7; -72.5
Approximate paleocoordinates52°54′S 60°30′W / 52.9°S 60.5°W / -52.9; -60.5
RegionMagallanes Region
Country Chile
ExtentRío de Las Chinas Valley, Magallanes Basin
Type section
Named forSierra Dorotea
Named byKatz
Year defined1963
Dorotea Formation is located in Chile
Dorotea Formation
Dorotea Formation (Chile)

The Dorotea Formation is a geological formation in the Río de Las Chinas Valley of the Magallanes Basin in Patagonian Chile whose strata date back to the Campanian to Maastrichtian of the Late Cretaceous.[1]