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Mkushwe Sst Formation

Mkushwe Sst Fm

Period: 
Permian

Age Interval: 
Early Permian (Asselian-Sakmarian)


Province: 
Zimbabwe-Mozambique

Type Locality and Naming

Save Basin (Southeastern Zimbabwe). Named for local geographic features in the Save Basin of southeastern Zimbabwe. It is a formally recognized lithostratigraphic unit representing the basal sandstone package of the post-glacial Karoo sequence in this basin. Lowermost unit in Ecca Gr in Save Basin

Synonym:


Lithology and Thickness

An arenaceous (sandy) succession consisting predominantly of sandstones.


Lithology Pattern: 
Fine-grained sandstone


Relationships and Distribution

Lower contact

Overlies the basal Dwyka Glacial Beds (Dwyka Gr)

Upper contact

Conformably overlain by the highly carbonaceous Lundi Coal Measures Fm

Regional extent

Geographically restricted to the Save Basin in southeastern Zimbabwe. Basal Ecca Gr equivalent. In detailed basin stratigraphy, it is often referred to specifically as the Lower Mkushwe Sandstone.


GeoJSON

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Fossils


Age 

Early Permian (Asselian-Sakmarian)

Age Span: 

    Beginning stage: 
Asselian

    Fraction up in beginning stage: 
0.1

    Beginning date (Ma): 
298.35

    Ending stage: 
Sakmarian

    Fraction up in the ending stage: 
0.5

    Ending date (Ma):  
292.02

Depositional setting

Post-glacial fluvial and proglacial outwash environments.


Depositional pattern:  


Additional Information


Compiler:  

From the O. Catuneanu et al. / Journal of African Earth Sciences 43 (2005) 211–253; Barber, B. (1987): The Save-Runde coal area, Save-Limpopo basin. Records of Zimbabwe Coalfields.