Burnstone
Phase: Operations
Mine Type: Underground
Tags: conglomerate palaeo-placer reef
Burnstone is in the South Rand Goldfield of the Witwatersrand Basin next to the town of Balfour, approximately 75 km east of Johannesburg in the Mpumalanga province of South Africa. Burnstone is accessed from the N3 highway via the Heidelberg South R23 road at the Balfour exit. The town of Balfour is located approximately 18 km east of the N3. The Burnstone property is accessible via a network of unpaved roads, approximately 6.5 km east of Balfour.
The Burnstone area forms part of the South African highveld, situated 1,670 m above mean sea level (amsl).
History:
Sibanye-Stillwater purchased Witwatersrand Consolidated Gold Resources Ltd (Wits Gold) and, additionally, acquired Southgold Exploration (Pty) Ltd, the sole owner of the Burnstone assets in 2014. The completed FS was independently reviewed in November 2015
Mineralization:
Sediment hosted conglomerates associated with auriferous and uraniferous minerals, locally known as palaeo-placer (reef). Laterally continuous with mid-range predictability. Clear patterns of mineralisation governed by sedimentary characteristics.
Mineral Resources (Dec. 31, 2017)
| Class | Ore (ktonnes) | Au grade (g/t) | Au (kg) | Au (oz * 1000) |
|---|---|---|---|---|
| Measured | 2200.00 | 5.00 | 11000.00 | 351.00 |
| Indicated | 62400.00 | 4.30 | 268320.00 | 8664.00 |
Reserves (Dec. 31, 2017)
| Class | Ore (ktonnes) | Au grade (g/t) | Au (kg) | Au (oz * 1000) |
|---|---|---|---|---|
| Proven | 500.00 | 3.70 | 1850.00 | 58.00 |
| Probable | 14300.00 | 4.10 | 58630.00 | 1876.00 |
Source:
-
Mineral Resources and Mineral Reserves Report Sibanye-Stillwater
(31.12.2017, None)
Authors: