Katberg Formation
Geological formation in the Beaufort Group of the Karoo Supergroup in South Africa / From Wikipedia, the free encyclopedia
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The Katberg Formation is a geological formation that is found in the Beaufort Group, a major geological group that forms part of the greater Karoo Supergroup in South Africa. The Katberg Formation is the lowermost geological formation of the Tarkastad Subgroup which contains the Lower to Middle Triassic-aged rocks of the Beaufort Group. Outcrops and exposures of the Katberg Formation are found east of 24 degrees on wards and north of Graaff-Reniet, Nieu Bethesda, Cradock, Fort Beaufort, Queensdown, and East London in the south, and ranges as far north as Harrismith in deposits that form a ring around the Drakensberg mountain ranges.[1][2][3][4][5]
Katberg Formation | |
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Stratigraphic range: Early Triassic Induan-Olenekian ~252–247 Ma | |
Type | Geological formation |
Unit of | Beaufort Group |
Underlies | Burgersdorp Formation |
Overlies | Balfour Formation |
Thickness | up to 1,000 m (3,300 ft) |
Lithology | |
Primary | Sandstone |
Other | Mudstone, calcareous concretions |
Location | |
Coordinates | 30.5°S 26.0°E / -30.5; 26.0 |
Region | Eastern Cape & Free State |
Country | South Africa |