A summary of OZ Minerals' Reserves and Resources are presented below.
OZ Minerals' Mineral Resource and Ore Reserve statements have been compiled in accordance with the guidelines defined in the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (The JORC Code, 2004 Edition).
Reserves - summary
Prominent Hill Ore Reserves - June 2012
| Classification | Tonnes (Mt) | Cu (%) | Cu (kt) | Au (g/t) | Au (koz) | Ag (g/t) | Ag (koz) |
|---|
| Proved |
32.6 |
1.0 |
326 |
0.6 |
635 |
3.1 |
3,206 |
| Probable |
37.2 |
1.1 |
422 |
0.6 |
693 |
2.8 |
3,342 |
| Total |
69.8 |
1.1 |
748 |
0.6 |
1,328 |
2.9 |
6,548 |
The table above is a summary only. For detailed information on the Prominent Hill Reserves please view the Prominent Hill Mineral Resources and Ore Reserves Explanatory Notes as at 30 June 2012 (PDF 1.7Mb).
Resources - summary
Prominent Hill Copper Mineral Resource - June 2012
| | Category | Tonnes (Mt) | Cu (%) | Au (g/t) | Ag (g/t) | Cu (kt) | Au (Moz) | Ag (Moz) |
|---|
| Total |
Measured |
21.3 |
1.62 |
0.5 |
4.1 |
347 |
0.3 |
2.8 |
| Indicated |
76.4 |
1.40 |
0.5 |
3.2 |
1,068 |
1.3 |
7.8 |
| Inferred |
112.6 |
1.02 |
0.4 |
2.3 |
1,154 |
1.6 |
8.3 |
| Total |
210.4 |
1.22 |
0.5 |
2.8 |
2,569 |
3.2 |
18.8 |
Prominent Hill Gold Mineral Resource - June 2012
| | Category | Tonnes (Mt) | Cu (%) | Au (g/t) | Ag (g/t) | Cu (kt) | Au (Moz) | Ag (Moz) |
|---|
| Total |
Measured |
10.1 |
0.10 |
1.0 |
1.9 |
10 |
0.3 |
0.6 |
| Indicated |
19.1 |
0.08 |
1.6 |
1.2 |
16 |
1.0 |
0.7 |
| Inferred |
25.3 |
0.07 |
1.6 |
0.8 |
16 |
1.3 |
0.6 |
| Total |
54.4 |
0.08 |
1.5 |
1.1 |
42 |
2.6 |
2.0 |
*Resources are inclusive of Reserves
The tables above are summaries only. For detailed information on the Prominent Hill Resources please view the Prominent Hill Mineral Resources and Ore Reserves Explanatory Notes as at 30 June 2012 (PDF 1.7Mb).
Carrapateena Mineral Resource - October 2012
| | Category | Estimate | Tonnage (Mt) | Cu (%) | Au (g/t) | CuEq (%)2 | U ppm | Ag (g/t) |
|---|
Carrapateena Deposit1
0.7% Cu cut-off |
Indicated |
2011 |
- |
|
|
|
|
|
| |
2012 |
202 |
1.43 |
0.56 |
1.77 |
227 |
6.2 |
| Inferred |
2011 |
203 |
1.31 |
0.56 |
1.65 |
229 |
6.0 |
| |
2012 |
90 |
0.96 |
0.30 |
1.14 |
162 |
3.6 |
| Total |
2011 |
203 |
1.31 |
0.56 |
1.65 |
229 |
6.0 |
| |
2012 |
292 |
1.29 |
0.48 |
1.58 |
207 |
5.4 |
1The cut-off grade of 0.7% Cu is based on information supplied by the vendors and is considered appropriate for likely mining options.
2CuEq refers to copper equivalent and is calculated as Cu + 0.6 * Au. See the Explanatory Notes for further details of the derivation of this formula.
The table above is a summary only. For detailed information on the Carrapateena Resource please view the Mineral Resource Explanatory Notes Carrapateena Project as at 31 October 2012.
Current Resource and Reserves Statements for download
Prominent Hill Mineral Resources and Ore Reserves Statement as at 30 June 2012
Carrapateena Mineral Resources Statement as at 31 October 2012
Related information