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A Klerksdorp sphere. It is 3 to 4 centimetres (1.2 to 1.6 in) in maximum diameter and 2.5 centimetres (0.98 in) in thickness. Klerksdorp spheres are small objects, often spherical to disc-shaped, that have been collected by miners and rockhounds from 3-billion-year-old pyrophyllite deposits mined by Wonderstone Ltd., near Ottosdal, South Africa.
If there is “There is absolutely no info” in 91.110.104.114's opinion, it is the fault of the proponents of the Klerksdorp spheres being artificial objects because they have not published any detailed evidence or arguments for the Klerksdorp spheres being artificial objects in credible sources, i.e. peer-reviewed journals, according to ...
The City of Matlosana (Tswana: Toropo ya Matlosana; Sotho: Toropo ya Matlosana; Afrikaans: Stad Matlosana; Xhosa: IsiXeko saseMatlosana), formerly the City Council of Klerksdorp, is a local municipality within the Dr Kenneth Kaunda District Municipality, in the North West province of South Africa.
Klerksdorp (/ ˈ k l ɑːr k s d ɔːr p / KLARKS-dorp) is located in the North West Province, South Africa. Klerksdorp is located 165 km (103 mi) southeast of Mahikeng, the provincial capital. [2] Klerksdorp was also the first capital of the then Transvaal Republic and used to be the home of the
Oryx gold mine, near Welkom, South Africa. The Free State Gold Rush was a gold rush in Free State, South Africa. It began after the end of World War II, even though gold had been discovered in the area around the year 1934. [1] [2] It drove major development in the region until the mid–to–late 1980s as part of the mineral revolution in ...
Certain property law principles are directly attributable to Roman-Dutch law, such as (1) the view that ownership is a unitary right which confers on the owner the widest possible powers; (2) restrictions on an owner's absolute right of pursuit (ius persequendi) in favour of certain bona fide purchasers; (3) recognition that a long lease of ...
Stilfontein (Afrikaans for quiet spring) is a former mining town which is located on the N12 (National Road) with 17,942 inhabitants, situated between Klerksdorp and Potchefstroom in North West Province of South Africa. It was incorporated into the City of Matlosana and some municipality administration is located in Matlosana (Klerksdorp).
In geometry, the Dandelin spheres are one or two spheres that are tangent both to a plane and to a cone that intersects the plane. The intersection of the cone and the plane is a conic section, and the point at which either sphere touches the plane is a focus of the conic section, so the Dandelin spheres are also sometimes called focal spheres. [1]