Sydney-on -Vaal, Barkly West, Francis Baard District, Northern Cape, South Africai
|Regional Level Types|
|Sydney-on -Vaal||- not defined -|
|Barkly West||- not defined -|
|Francis Baard District||District|
|Latitude & Longitude (WGS84):||28° 25' 6'' South , 24° 16' 32'' East|
|Latitude & Longitude (decimal):||-28.41833,24.27556|
|Köppen climate type:||BSh : Hot semi-arid (steppe) climate|
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Select Mineral List TypeStandard Detailed Strunz Dana Chemical Elements
Detailed Mineral List:
| ⓘ Diamond|
Reference: Matheys, F. G., (1990), The alluvial diamond deposits of the lower Vaal river between Barkly West and the Vaal-Harts confluence in the Northern Cape Province, South Africa.
List of minerals arranged by Strunz 10th Edition classification
|Group 1 - Elements|
List of minerals arranged by Dana 8th Edition classification
|Group 1 - NATIVE ELEMENTS AND ALLOYS|
|Semi-metals and non-metals|
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
0 - 2.588 Ma
|Rhyacian - Siderian|
2050 - 2500 Ma
|Vryburg Formation of Transvaal Supergroup|
Age: Proterozoic (2050 - 2500 Ma)
Stratigraphic Name: Vryburg Formation
Reference: Council for Geoscience. Geologic map of South Africa, 1:1M. National Science Councils of South Africa. 
2300 - 2500 Ma
|Paleoproterozoic sedimentary rocks|
Age: Siderian (2300 - 2500 Ma)
Lithology: Sedimentary rocks
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529.