Regional Report: Witwatersrand field, Free State Province, South Africa

Ref.: Cousins, C.A. (1973) Platinoids of the Witwatersrand system. Journal of the South African Institute of Mining and Metallurgy: 73: 184-199. MacLean, P.J. and Fleet, M.E. (1989) Detrital pyrite in the Witwatersrand gold fields of South Africa: evidence from truncated growth banding. Economic Geology: 84: 2008-2011. Fleet, M.E. (1998a) Detrital pyrite in Witwatersrand gold reefs: X-ray diffraction evidence and implications for atmospheric evolution. Terra Nova: 10: 302-306. The Witwatersrand is a large basin of metamorphosed conglomerates that forms the greatest gold field in the world. It stretches for 350 km long by 200 km wide with a thickness that can excede 10,000m. The mines have reached depths of 3600m. It occurs in several provinces of South Africa.

For full locality listing click here. Alternatively: Click here for heirarchical list of localities in Witwatersrand field, Free State Province, South Africa

Anatase - 24

'Apatite' - 24, 2

Arsenopyrite - 24

Baryte - 24

Betafite - 24

Biotite - 24

Bornite - 24

Braggite - 24

Brannerite - 24

Brookite - 24

Calaverite - 24

Calcite - 24

Cassiterite - 24

Chalcocite - 24

Chalcopyrite - 24

'Chlorite Group' - 24, 2

Chloritoid - 24

Chromite - 24

Cobaltite - 24

Coffinite - 24

Columbite - 24

Cooperite - 24, 3

Corundum - 24

Covellite - 24

Cubanite - 24

Diamond - 24, 10

Digenite - 24

Dolomite - 24

Dyscrasite - 24

Epidote - 24

Erlichmanite - 24

Euxenite-(Y) - 24

'Feldspar Group' - 24

Galena - 24

'Garnet Group' - 24

Gersdorffite - 24

Geversite - 24

Glaucodot - 24

Gold - 24, 2, 4, 5, 7, 13, 14, 15, 19, 20, 22, 23, 12

Graphite - 24, 2

Hematite - 24

Hollingworthite - 24

Ilmenite - 24

Irarsite - 24

Iridarsenite - 24

Iridium - 24

Iridosmine - 24

Isoferroplatinum - 24, 6, 13, 14, 20, 22, 23

Kaolinite - 24

Kyanite - 24

Laurite - 24

Leucoxene - 24

Linnaeite - 24

Löllingite - 24

Mackinawite - 24

Magnetite - 24

Marcasite - 24

Margarite - 2

Michenerite - 24

Millerite - 24

Molybdenite - 24

'Monazite' - 24

Moncheite - 24

Muscovite - 24, 2, 21

Nickeline - 24

Osarsite - 24

Osmiridium - 24, 13, 11

Osmium - 24

Pentlandite - 24

Picotite - 24

Platiniridium - 24

Proustite - 24

Pyrite - 24, 2, 21

Pyrophyllite - 24, 2, 21

Pyrrhotite - 24

Quartz - 24, 2, 21, 11, 16

Rectorite - 24

Ruthenarsenite - 24

Ruthenosmiridium - 24

Rutile - 24, 2, 21

Safflorite - 24

Silver - 24

Skutterudite - 24

Sperrylite - 24

Sphalerite - 24, 2

Stibiopalladinite - 24

Stibnite - 24

Stromeyerite - 24

Sudburyite - 24

Sudoite - 21

Tellurium - 24

Tennantite - 24

Tetrahedrite - 24

Thorite - 24

Titanite - 24

'Tourmaline' - 24, 2

Troilite - 24

Tučekite - 24

Uraninite - 24, 20

'Uranothorite' - 24

Xenotime-(Y) - 24

Zircon - 24, 2

102 minerals listed.

Locality Key

1	Bambanani mine, Welkom, Witwatersrand field, Free State Province, South Africa
2	Beatrix mine (Oryx mine; Beisa mine), Witwatersrand field, Free State Province, South Africa
3	Carbon Leader reef, Witwatersrand field, Free State Province, South Africa
4	East Geduld Mine, Welkom, Witwatersrand field, Free State Province, South Africa
5	Erfdeel Mine, Welkom, Witwatersrand field, Free State Province, South Africa
6	Free State Geduld Mine, Welkom, Witwatersrand field, Free State Province, South Africa
7	Government Area Mine, Witwatersrand field, Free State Province, South Africa
8	Harmony mine, Virginia District, Witwatersrand field, Free State Province, South Africa
9	Joel mine, Theunissen, Witwatersrand field, Free State Province, South Africa
10	Kaalvallei mine (Samada mine), Welkom, Witwatersrand field, Free State Province, South Africa
11	Loraine mine, Welkom, Witwatersrand field, Free State Province, South Africa
12	Matjhabeng mine, Welkom, Witwatersrand field, Free State Province, South Africa

13	President Steyn Mine, Welkom, Witwatersrand field, Free State Province, South Africa
14	S.A. Lands Mine, Witwatersrand field, Free State Province, South Africa
15	St Helena Mine, Welkom, Witwatersrand field, Free State Province, South Africa
16	Stilfontein, Witwatersrand field, Free State Province, South Africa
17	Target mine, Welkom, Witwatersrand field, Free State Province, South Africa
18	Tshepong mine, Welkom, Witwatersrand field, Free State Province, South Africa
19	Unisel Mine, Welkom, Witwatersrand field, Free State Province, South Africa
20	Welkom Mine, Welkom, Witwatersrand field, Free State Province, South Africa
21	Welkom, Witwatersrand field, Free State Province, South Africa
22	Western Holdings 1 Mine, Welkom, Witwatersrand field, Free State Province, South Africa
23	Western Holdings 2 Mine, Welkom, Witwatersrand field, Free State Province, South Africa
24	Witwatersrand field, Free State Province, South Africa

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!

Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 8th Nov 2009 04:20:57