Mkururwe Alterations unit Fm
Period:
Permian
Age Interval:
Middle-Late Permian (Wordian-Changhsingian)
Province:
Zimbabwe-Mozambique
Type Locality and Naming
Save Basin (Southeastern Zimbabwe). Uppermost formation in Ecca Gr in Save Basin
Synonym:
Lithology and Thickness
The graphic pattern for the Mkururwe Alternations Unit shows intercalations that typically denote alternating fine-to-medium sandstones and finer mudrocks/siltstones.
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
As illustrated in the stratigraphic column for the Save Basin, the Mkururwe Alternations Unit sits above the Marare Mudstones and Grits Fm
Upper contact
Schematic stratigraphic column indicates the upper contact as Bond Greywacke Fm
Regional extent
The upper portion of this unit (the "Upper Mkururwe") is considered the regional lithostratigraphic equivalent of the Molteno Formation of the main Karoo Basin.
GeoJSON
null
Fossils
Age
Middle-Late Permian (Wordian-Changhsingian)
Age Span:
Beginning stage:
Wordian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
269.21
Ending stage:
Changhsingian
Fraction up in the ending stage:
1.0
Ending date (Ma):
251.90
Depositional setting
Depositional pattern:
Additional Information
Compiler:
From the O. Catuneanu et al. / Journal of African Earth Sciences 43 (2005) 211–253