Overview
Identifiers
Inventory Number
3220AD5
Site Name
Geosite: Skurkop breccia pipe
Site Category
Geological
References
Reference Types
Other Publication
Citation
Geological Survey (1983). Geological map of Sheet 3220 Sutherland (scale 1:250 000). Publication, Geological Survey of South Africa.
Date Retrieved
Reference Types
Other Publication
Citation
THERON, J.N. (1983). The geology of the Sutherland area. Explanation of Sheet 3220 (scale 1:250 000). Publication Geological Survey of South Africa, 29pp.
Record Administration
Author
doug.cole
Post date
Friday, October 25, 2013 - 15:31
Last modified
Thursday, May 2, 2024 - 18:19
Location
Location
Mapping
-32.383987, 20.354341
Northern Cape
  • Namakwa
  • Karoo Hoogland
Grading
Autoid
Grading - 225362
Submitted by
Submitted by doug.cole on 25/10/2013 - 15:44.
Grading
Grade IIIc
Grading Date
GradingComment

Geosite covering a breccia pipe intruding sandstone and mudstone of Abrahamskraal Formation near top of Ouberg Pass. Such pipes are rare and it should be classified as a local heritage site. Grading by: DOUG COLE

Significance criteria
Significance Categories
Research, Teaching or Benchmark Site
Sphere of Significance
Local
Level
Low
Statement of Significance

Breccia pipe, 160 by 130 metres, which is one of the largest in the Karoo. It intrudes sandstone and mudstone of the Abrahamskraal Formation which has an age of 264 - 268 million years. Breccia pipe consists of angular clasts of Abrahamskraal Fm sandstone and mudstone in a siliceous matrix. It is possibly 183 million years old and associated with Karoo dolerite or latest Cretaceous in age associated with the 66 - 75 million year-old Sutherland Suite.

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This work is licensed under a Creative Commons Attribution-ShareAlike 2.0 South Africa License.