No fossils have been discovered, and except that they represent some portion or portions of rocks of the Pre-Cape formation the age of the upper Witwatersrand beds, as well as that of the lower division, remains an open question.
The staple exports are diamonds, gold (from the Witwatersrand mines), wool, copper ore, ostrich feathers, mohair, hides and skins.
A local division of the Supreme Court, formerly known as the Witwatersrand high court (consisting of one or more judges of the Supreme Court) sits permanently at Johannesburg and has civil and criminal jurisdiction throughout the Rand.
They were nearly all domiciled in the Witwatersrand and in the towns of Pretoria and Barberton, where they are engaged mainly in trade.
A group of highly inclined quartzites, altered conglomerates and jasperoid rocks which crop out on the Umhlatuzi river, between Melmoth and Nkandhla and on the White Umfolosi river above Ulundi Ph ins, is considered by Anderson to represent some portion of the Lover Witwatersrand series.
The opening up of the diamond mines at Kimberley (1870) followed (1886) by the discovery of the Witwatersrand goldfields completely revolutionized the economic situation and profoundly modified the history of the country.
In Ankole and Koki rocks consisting of granular quartzite, schistose sandstone, red and brown sandstone, and shales with cleaved killas rest on the Archean platform and possibly represent the Lower Witwatersrand beds of the Transvaal.
Deposits similar to the Witwatersrand banket occur in Zululand, and also on the Gold Coast of Africa.
Ac cording to Molengraaff it includes the two following series: - An upper group including the auriferous conglomerates of the Rand: Witwatersrand Series.
Besides the tribes whose home is in the Transvaal considerable numbers of natives, chiefly members of east coast tribes, Cape Kaffirs and Zulus, go to the Witwatersrand to work in the gold and other mines.