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Klerksdorp Mine

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Journal Article
Published: 01 September 2017
South African Journal of Geology (2017) 120 (3): 303–322.
... importance to ensure that the processing parameters are optimized for the treatment of both the Vaal and C-Reefs. This paper serves to document the results of a geometallurgical study of the C-Reef at the Great Noligwa gold mine in the Klerksdorp goldfield of South Africa, with the primary aim of assessing...
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Journal Article
Published: 01 December 2015
South African Journal of Geology (2015) 118 (4): 455–472.
... stratigraphic profile of the Vaal Reef in the Vaal River mining area (modified after Catuneanu and Biddulph, 2001 ), with the statigraphic position of the Vaal Reef A-facies indicated. The main economic gold- and uranium-bearing conglomerate mined in the Klerksdorp goldfield is the Vaal Reef, which...
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Fault-plane solutions for the M   L   4.0 <span class="search-highlight">Klerksdorp</span> gold-<span class="search-highlight">mining</span> tremor of ...
Published: 01 December 2010
Figure 6. Fault-plane solutions for the M L 4.0 Klerksdorp gold-mining tremor of 12 October 2006. The stereograph is a lower-hemisphere, equal-area projection, with triangles indicating compressive first motion and circles dilatational first motion. P’s indicates the possible compressional
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Map of seismicity in the gold-<span class="search-highlight">mining</span> areas of Witwatersrand, <span class="search-highlight">Klerksdorp</span>, an...
Published: 01 March 2008
Figure 4. Map of seismicity in the gold-mining areas of Witwatersrand, Klerksdorp, and the Free State with M ≥ 3 for the period 1985 to June 2007.
Journal Article
Published: 01 December 2015
South African Journal of Geology (2015) 118 (4): 335–354.
... and caused serious damage estimated at US$24 million, with 12 mortalities and many more injured. Others include six mining related tremors which caused significant damage i.e. Welkom 1976, Klerksdorp 1977, Welkom 1989 and Carletonville 1992 seismic events. Notable for their damage to infrastructure...
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Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2405(19)
... the history of this important ore deposit. Samples from Tau Lekoa Mine, previously known as the Vaal Reefs No. 10 Shaft Mine in the Klerksdorp goldfield, and samples from the western part of Elandskraal Mine, previously known as the Elandsrand Gold Mine in the Carletonville gold-field, were analyzed. Three...
Journal Article
Published: 01 September 1997
South African Journal of Geology (1997) 100 (3): 213–222.
...R. C. B. Hall; B. G. Els; J. J. Mayer Abstract The Ventersdorp Contact Reef (VCR) is an Archaean conglomeratic gold placer, mined in the Carletonville, West Rand, and Klerksdorp goldfields of the Republic of South Africa. It belongs to a lithostratigraphic formation, the Venterspost Conglomerate...
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( a ) Mc obs  map derived with samples that consist of at least 50 events w...
Published: 01 March 2019
dots). Areas in white represent insufficient data for the GFT method. Rivers and dams are indicated for orientation. Symbols depict: K=Klerksdorp gold mine area; P=Bushveld platinum mines; Au=Augrabies area; R=Central and East Rand gold mine areas; F=Far West Rand gold mine area; Fr=Free State gold
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Relocated epicenters from this study. The <span class="search-highlight">mining</span> areas referred to in the t...
Published: 18 March 2015
Figure 5. Relocated epicenters from this study. The mining areas referred to in the text are indicated numerically: 1, Lime Acres, Sishen, and Kalahari mines; 2, Free State gold mines; 3, Klerksdorp gold mines; 4, Rand gold mines; 5, Grootegeluk coal mine; 6, Venetia mine; and 7, Witbank–Highveld
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Variation in Chemical Index of Alteration (CIA) and Fe/Al ratio with distan...
Published: 18 August 2022
Fig. 8. Variation in Chemical Index of Alteration (CIA) and Fe/Al ratio with distance from the Denny’s and Crystalkop and Ventersdorp Contact Reefs (red lines) at various mines in the Klerksdorp goldfield (A–G) and the Welkom gold field (H); data are for largely arenitic siliciclastic rocks
Journal Article
Published: 01 March 2019
South African Journal of Geology (2019) 122 (1): 57–68.
... dots). Areas in white represent insufficient data for the GFT method. Rivers and dams are indicated for orientation. Symbols depict: K=Klerksdorp gold mine area; P=Bushveld platinum mines; Au=Augrabies area; R=Central and East Rand gold mine areas; F=Far West Rand gold mine area; Fr=Free State gold...
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Map of epicentres of earthquakes (black and grey dots) and explosions (grey...
Published: 01 March 2019
the catalogue before Mc processing. Rivers and dams are indicated for orientation. Symbols depict: V=Venetia mine; G=Ga-Mapela mine; L=Letseng diamond mine; Am=Amersfoort area; C=Excluded coal field; K=Klerksdorp gold mine area; P=Bushveld platinum mines; Au=Augrabies area; M=Mozambique cluster; R=Central
Journal Article
Published: 01 January 2009
Seismological Research Letters (2009) 80 (1): 71–80.
... into the Welkom, Klerksdorp, Carletonville, West Rand, Central Rand, East Rand, and Evander gold fields. Seismicity in these areas differs due to the different tectonic faults affecting the regions and differences in mining activities ( Singh and Pule 2007 ; Gay et al. 1995 ). To better understand...
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Journal Article
Published: 01 December 2010
South African Journal of Geology (2010) 113 (4): 369–380.
...Figure 6. Fault-plane solutions for the M L 4.0 Klerksdorp gold-mining tremor of 12 October 2006. The stereograph is a lower-hemisphere, equal-area projection, with triangles indicating compressive first motion and circles dilatational first motion. P’s indicates the possible compressional...
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Journal Article
Published: 01 March 2002
Journal of the Geological Society (2002) 159 (2): 189–201.
.... Samples were collected of mineralized and non-mineralized sedimentary rocks from underground mine workings and diamond drill core on the Welkom, Klerksdorp and Carletonville Goldfields ( Fig. 1 ). Sampled intervals include: (i) the Steyn and Leader Reefs from Freegold One (President Steyn Mine...
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Journal Article
Published: 01 March 1984
Journal of the Geological Society (1984) 141 (2): 263–271.
... and evaluation of placer gold deposits in the Klondike area, Yukon Territory Trans. Inst. Ming. Metall 1970 B79 69 7 Hiemstra S. A. The geochemistry of the uraniferous conglomerate of the Dominion Reefs Mine, Klerksdorp area Trans, geol Soc S Afr 1968 71 67 104 Hofmeyr, P. E. 1971...
Journal Article
Published: 01 July 2017
The Journal of Geology (2017) 125 (4): 399–422.
...) Location (goldfield) Nearest town Shale unit sampled Total no. of samples Central Rand:  DN2 (27) Klerksdorp Klerksdorp Johannesburg Subgroup, Booysens Formation 27  V (6), MEE (2) Klerksdorp Strathmore Johannesburg Subgroup, Booysens Formation, Vaal Reefs mine 8  M (12...
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Journal Article
Published: 01 March 2008
Seismological Research Letters (2008) 79 (2): 203–210.
...Figure 4. Map of seismicity in the gold-mining areas of Witwatersrand, Klerksdorp, and the Free State with M ≥ 3 for the period 1985 to June 2007. ...
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Journal Article
Published: 01 March 2000
South African Journal of Geology (2000) 103 (1): 15–31.
...M.C. Brink; F.B. Waanders; A.A. Bisschoff Abstract A fault, designated the Katdoornbosch—Witpoortjie Thrust, was traced in the field continuously from the area north of Klerksdorp to the West Rand. It is shown that the Katdoornbosch Thrust and the Witpoortjie Fault form elements of the same...
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Journal Article
Published: 01 December 2018
South African Journal of Geology (2018) 121 (4): 339–362.
... to the so-called Bothaville gap, between the Free State and Klerksdorp Gold Fields. The lower part of the Goedgenoeg Formation succession consists of non-porphyritic andesitic lava flows, followed upwards by dacitic phenocryst-rich feldspar porphyries. The basal lava flows are frequently interbedded...
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