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Congresso Formation

Congresso Fm

Period: 
Permian

Age Interval: 
Middle-Late Permian (Capitanian-Wuchiapingian)


Province: 
Zimbabwe-Mozambique

Type Locality and Naming

Metangula Basin (Mozambique). A formal lithostratigraphic unit recognized within the Karoo-aged Metangula Basin, which straddles the border between Mozambique and Tanzania. Middle Formation in Beaufort Gr in Metangula Basin (Mozambique)

Synonym:


Lithology and Thickness

Composed of a terrestrial clastic sequence consisting of sandstones, siltstones, and mudstones, closely associated with the basin's lower sedimentary layers.


Lithology Pattern: 
Siltstone


Relationships and Distribution

Lower contact

Overlies the basal units (such as the Fubue Fm or Monte Lilonga Fm) in the Metangula Basin sequence.

Upper contact

Conformably overlain by the Moola Fm

Regional extent

Geographically restricted to the Metangula Basin in northern Mozambique. Correlates with the lower-to-middle Ecca Gr equivalents (such as coal-bearing measure units or post-glacial transition beds) within the eastern African rift basins.


GeoJSON

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Fossils


Age 

Middle-Late Permian (Capitanian-Wuchiapingian)

Age Span: 

    Beginning stage: 
Capitanian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
264.34

    Ending stage: 
Wuchiapingian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
254.24

Depositional setting

Intracratonic rift basin environments.


Depositional pattern:  


Additional Information


Compiler:  

From the O. Catuneanu et al. The Karoo basins of south-central Africa, Journal of African Earth Sciences 43 (2005) 211–253; Verniers, J., et al. (1989): The Karoo graben of Metangula, northern Mozambique. Journal of African Earth Sciences.