OZ Minerals Resources & Reserves


Prominent Hill Minerals Resources & Reserves as at 30 June 2009

RESOURCES*

Table 1. Copper-gold Mineral Resource Summary**


Category Tonnes (Mt) Cu (%) Au (g/t) Contained Cu (kt) Contained Au (Moz)
Total Measured 36.6 1.65 0.5 604 0.6
Indicated 70.2 1.30 0.5 910 1.2
Inferred 83.0 1.18 0.4 982 1.1
Total 189.7 1.32 0.5 2,496 2.9

Table 2. Gold only Mineral Resource Summary***


Category Tonnes (Mt) Cu (%) Au (g/t) Contained Cu (kt) Contained Au (Moz)
Total Measured 8.4 0.10 1.1 8 0.3
Indicated 19.0 0.06 1.3 11 0.8
Inferred 51.4 0.06 1.4 31 2.4
Total 78.8 0.06 1.4 51 3.4

RESERVES****

Table 3. Prominent Hill Ore Reserves Summary

Classification Tonnes (Mt) Cu (%) Au (g/t) Contained Cu (kt) Contained Au (koz)
Proved 46.1 1.29 0.57 597 845
Probable 29.6 1.04 0.61 307 581
Total 75.7 1.19 0.59 904 1,426

* Resources are inclusive of Reserves.

** Cut off grade is 0.3% Cu above 9730m RL and 0.8% Cu below 9,730m RL.

*** Cut off grade is 0.5g/t Au above 9,730m RL and 1.0g/t Au below 9,730m RL (exclusive of copper-gold Mineral Resource).

**** Based on US$210/lb Cu, US$800/oz Au, US$12.50/oz Ag and FX rate of A$1.00:US$0.78.



Prominent Hill Minerals Resources & Reserves as at 30 June 2009

OZ Minerals released the Prominent Hill Mineral Resource and Ore Reserves statement on 30 November. Read a copy of this announcement. (PDF, 832.35kb)


Explanatory notes

Download the OZ Minerals Limited Mineral Resources and Ore Reserves Explanatory Notes as at 30 June 2009. (PDF, 1.44Mb)


Previous statements

Prominent Hill Western Copper Resource Statement as at 30 April 2009

Executive Summary (PDF, 400kb)

Mineral Resources Explanatory Notes (PDF, 481kb)


OZ Minerals Resources and Reserves as at 30 June 2008

Ore Reserves Explanatory Notes (PDF, 158kb)

Mineral Resources Explanatory Notes (PDF, 210kb)

Prominent Hill Resource Statement: 30 June 2008 (PDF, 214 kb)