Amibberg Fm
Period:
Permian
Age Interval:
Middle Permian (Roadian)
Province:
SouthAfrica-Namibia-Botswana
Lithology and Thickness
Sandstone, mudstone
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Conformably overlies Aussenkjer Fm
Upper contact
Represents the uppermost preserved Karoo-aged sedimentary succession in the Karasburg Basin (the top is erosional/truncated by the modern surface or younger Kalahari cover). Werner, M. (2006)
Regional extent
Restricted to the Karasburg Basin in southern Namibia. It does not extend into the neighboring Aranos Basin. Coeval with Waterford Fm in Main Karoo Basin (Western Foredeep)
GeoJSON
null
Fossils
Age
Middle Permian (Roadian)
Age Span:
Beginning stage:
Roadian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
274.37
Ending stage:
Roadian
Fraction up in the ending stage:
1.0
Ending date (Ma):
269.21
Depositional setting
Depositional pattern:
Additional Information
Compiler:
From the O. Catuneanu et al. / Journal of African Earth Sciences 43 (2005) 211–253; From the regional geological framework of the Namibian Karasburg Basin (Werner 2006; regional Karoo literature), Werner, M. (2006). The stratigraphy, sedimentology, and age of the Late Palaeozoic Mesosaurus Inland Sea, SW-Gondwana.