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Mangrullo Formation information


Mangrullo Formation
Stratigraphic range: Artinskian
~286–273 Ma
PreꞒ
O
S
D
C
P
T
J
K
Pg
N
Outcrops and stratigraphic column of the Mangrullo Formation
TypeGeological formation
Unit ofCerro Largo Group
UnderliesPaso Aguiar Formation
OverliesFrayle Muerto & Tres Islas Formations
Thickness40 m (130 ft)
Lithology
PrimaryShale, limestone
OtherClaystone, siltstone
Location
Coordinates32°13′S 54°07′W / 32.22°S 54.11°W / -32.22; -54.11
Approximate paleocoordinates50°12′S 37°18′W / 50.2°S 37.3°W / -50.2; -37.3
RegionCerro Largo Department
CountryMangrullo Formation Uruguay
ExtentNorte Basin
Type section
Named forMangrullo, Cerro Largo

The Mangrullo Formation is a part of the Paraná Basin (Bacia do Paraná)

The Mangrullo Formation is an Early Permian (Artinskian) fossiliferous geological formation in northeastern Uruguay.[1][2] Some authors alternatively group it together with the Paso Aguiar Formation and the Frayle Muerto Formation as the three subdivisions of the Melo Formation, in which case it is referred to as the Mangrullo Member.[3][4] Like the correlated formations of Irati and Whitehill, it is known for its abundant mesosaur fossils. It also contains the oldest known Konservat-Lagerstätte in South America, as well as the oldest known fossils of amniote embryos.[5]

  1. ^ Mangrullo Formation at Fossilworks.org
  2. ^ Mangrullo Member at Fossilworks.org
  3. ^ "Arroyo de La Mina (Permian of Uruguay)". Paleobiology Database. Retrieved October 18, 2012.
  4. ^ Beri et al., 2011
  5. ^ Cite error: The named reference pinero was invoked but never defined (see the help page).

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