Pastos Bons Formation

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Pastos Bons Formation
Stratigraphic range: Oxfordian-Kimmeridgian
~161–151 Ma
Geologic map of the Parnaíba Basin.jpg
Geologic map of the Parnaíba Basin with the Jurassic in red
TypeGeological formation
Underlies
Overlies
Lithology
PrimarySandstone
OtherShale
Location
Coordinates6°06′S 44°42′W / 6.1°S 44.7°W / -6.1; -44.7Coordinates: 6°06′S 44°42′W / 6.1°S 44.7°W / -6.1; -44.7
Approximate paleocoordinates2°24′S 12°06′W / 2.4°S 12.1°W / -2.4; -12.1
RegionMaranhão
Country Brazil
ExtentParnaíba Basin
Type section
Named forPastos Bons
Pastos Bons Formation is located in Brazil
Pastos Bons Formation
Pastos Bons Formation
Pastos Bons Formation (Brazil)

The Pastos Bons Formation is a Late Jurassic (Oxfordian to Kimmeridgian) geologic formation of the Parnaíba Basin in Maranhão, northeastern Brazil. The formation forms part of the sag phase of the basin. It overlies the and is overlain by the .[1] The fluvial to lacustrine sandstones and shales have provided fossils of a coelacanth fish, Parnaibaia maranhaoensis and a paralligatorid named after the formation, Batrachomimus pastosbonensis.

Fossil content[]

The following fossils were reported from the formation:[2]

See also[]

References[]

  1. ^ De Castro et al., 2016, p.532
  2. ^ Pastos Bons Formation at Fossilworks.org
  3. ^ Montefeltro, 2013, p.835
  4. ^ Yabumoto, 2007

Bibliography[]

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