Mercedes Formation, Uruguay

Mercedes Formation
Stratigraphic range: Campanian-Maastrichtian
~84–66 Ma
TypeGeological formation
UnderliesAsencio Formation
OverliesGuichón Formation
Lithology
PrimarySandstone
Location
Coordinates33°24′S 58°18′W / 33.4°S 58.3°W / -33.4; -58.3
Approximate paleocoordinates37°18′S 41°24′W / 37.3°S 41.4°W / -37.3; -41.4
RegionRío Negro & Soriano Departments
Country Uruguay
ExtentNorte Basin
Type section
Named forMercedes, Uruguay
Mercedes Formation, Uruguay is located in Uruguay
Mercedes Formation, Uruguay
Mercedes Formation, Uruguay (Uruguay)

The Mercedes Formation is a Late Cretaceous (Campanian to Maastrichtian) geologic formation of the Norte Basin in Uruguay. Fossil dinosaur eggs have been reported from the formation.[1] The formation that reaches a thickness of about 100 metres (330 ft),[2] overlies the Guichón Formation and is overlain by the Asencio Formation.[3]

  1. ^ Weishampel et al., 2004, pp.517-607
  2. ^ Tofalo et al., 2011, p.616
  3. ^ Tofalo et al., 2011, p.617