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Quiricó Formation
Geological formation in Brazil / From Wikipedia, the free encyclopedia
The Quiricó Formation is a geological formation of the Areado Group in Minas Gerais, Brazil whose strata date back to the Early Cretaceous (Aptian).[2][1] Many occurrences of fossils are reported in the lacustrine deposits of the Quiricó Formation.
Quick Facts Type, Unit of ...
Quiricó Formation | |
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Stratigraphic range: Aptian, ~125 Ma [1] | |
![]() Stratigraphic position of the Quiricó Formation in São Francisco Basin | |
Type | Geological formation |
Unit of | Areado Group |
Underlies | Abaeté Formation |
Overlies | Três Barras Formation |
Thickness | 60–100 m (200–330 ft) |
Lithology | |
Primary | Sandstone, claystone |
Other | Siltstone, limestone |
Location | |
Coordinates | 16.7°S 44.4°W / -16.7; -44.4 |
Approximate paleocoordinates | 17.5°S 11.9°W / -17.5; -11.9 |
Region | ![]() |
Country | ![]() |
Extent | São Francisco Basin |
Type section | |
Named for | Quiricó Lake/River |
Named by | Barbosa |
Year defined | 1965 |
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