| Figures in million | Mine development costs | Mine infra-structure | Mineral rights and dumps | Assets under construction | Land and buildings | Total |
|---|---|---|---|---|---|---|
| SA Rands | ||||||
| Cost | ||||||
| Balance at 1 January 2010 | 21,403 | 3,990 | 545 | 1,083 | 265 | 27,286 |
| Additions | ||||||
| – project capital | 340 | (18) | – | 87 | – | 409 |
| – stay-in-business capital | 2,389 | 305 | – | – | – | 2,694 |
| Transfers and other movements (1) | (214) | 48 | – | – | – | (166) |
| Balance at 31 December 2010 | 23,918 | 4,325 | 545 | 1,170 | 265 | 30,223 |
| Accumulated amortisation | ||||||
| Balance at 1 January 2010 | 10,745 | 2,115 | 241 | – | 45 | 13,146 |
| Amortisation for the year (notes 2, 6 and 28) | 2,221 | 186 | 26 | – | 17 | 2,450 |
| Impairments (note 4) (2) | 117 | (3) | – | 329 | – | 443 |
| Transfers and other movements (1) | (57) | (59) | – | – | – | (116) |
| Balance at 31 December 2010 | 13,026 | 2,239 | 267 | 329 | 62 | 15,923 |
| Net book value at 31 December 2010 | 10,892 | 2,086 | 278 | 841 | 203 | 14,300 |
| Cost | ||||||
| Balance at 1 January 2011 | 23,918 | 4,325 | 545 | 1,170 | 265 | 30,223 |
| Additions | ||||||
| – project capital | 271 | 33 | – | 518 | – | 822 |
| – stay-in-business capital | 2,625 | 436 | – | – | 14 | 3,075 |
| Transfers and other movements (1) | (180) | (119) | – | – | – | (299) |
| Balance at 31 December 2011 | 26,634 | 4,675 | 545 | 1,688 | 279 | 33,821 |
| Accumulated amortisation | ||||||
| Balance at 1 January 2011 | 13,026 | 2,239 | 267 | 329 | 62 | 15,923 |
| Amortisation for the year (notes 2, 6 and 28) | 2,243 | 178 | 30 | – | 16 | 2,467 |
| Impairments (note 4) (2) | 62 | 26 | – | – | – | 88 |
| Transfers and other movements (1) | (95) | (55) | – | – | – | (150) |
| Balance at 31 December 2011 | 15,236 | 2,388 | 297 | 329 | 78 | 18,328 |
| Net book value at 31 December 2011 | 11,398 | 2,287 | 248 | 1,359 | 201 | 15,493 |
Included in land and buildings are assets held under finance leases with a net book value of R177m (2010: R185m).
The majority of the leased assets are pledged as security for the related finance lease.
No assets are encumbered by project finance.
(1)Transfers and other movements comprise amounts from changes in estimates of decommissioning assets, asset reclassifications and transfers to non-current assets held for sale.
In 2010, transfers to non-current assets held for sale comprised:
(2)Impairments include the following:
Due to a change in the mine plan resulting from safety-related concerns following seismic activity, the VCR shaft pillar and ore pass development has been abandoned and will not generate future cash flows. An impairment loss of R61m (2010: nil) was recognised in the income statement.
Due to a change in the mine plan, the Savuka assets have been abandoned and will not generate future cash flows. An impairment loss of R2m (2010: R114m) was recognised in the income statement.
In 2010, due to a change in the mine plan resulting from safety-related concerns following seismic activity, the below 120 level development has been abandoned and will not generate future cash flows. An impairment loss of R329m was recognised in the income statement.
In 2010, following the classification of Tau Lekoa as held for sale, an impairment loss of R58m was recognised to reduce the carrying amount of the disposal group to fair value less cost to sell.
Impairment of various minor tangible assets and equipment R25m (2010: nil).
The impairment calculation methodology is included in group note 15.