Quiricó Formation Stratigraphic range: Lower Cretaceous (Aptian) |
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![]() Stratigraphic position of the Quiricó Formation in São Francisco Basin.
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Type | Geological formation |
Unit of | Areado Group (São Francisco Basin) |
Underlies | Abaeté Formation |
Overlies | Três Barras Formation |
Thickness | 60–100 m (200–330 ft) |
Lithology | |
Primary | Sandstone |
Other | Siltstone, limestone |
Location | |
Region |
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Country |
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Type section | |
Named for | Quiricó Lake/River |
Named by | Barbosa (1965) |
The Quiricó Formation is a geological formation in Minas Gerais, Brazil whose strata date back to the Lower Cretaceous (Early Cretaceous). Many occurrences of fossils are reported in the lacustrine deposits of the Quiricó Formation.