Reserves and Resources
The January 2011 update for the Santa Rita Open pit resource is based upon the 2008 Resource, with mining depletion taken into account since the commencement of operations in November 2009 and has been reported using a lower grade cut-off than previously.
|
Santa Rita Deposit |
|||||
|
Classification1 |
Tonnes |
Nickel grade (%) |
Copper grade (%) |
Cobalt grade (%) |
Recovered nickel (ktonnes) |
|
Proven |
16.7 |
0.57 |
0.14 |
0.016% |
64.1 |
|
Probable |
142.6 |
0.52 |
0.13 |
0.015% |
505.7 |
|
Total |
159.3 |
0.52 |
0.13 |
0.015% |
569.8 |
(Contained Ni: 829,800t (1,829Mlbs); Strip ratio: 5.0 to 1; weighted average recovery: 68.7% Ni)
Santa Rita Mineral Resources
Mirabela has total in-pit mineral resources of 198Mt at an average grade of 0.52% and additional underground resources of 87.5 Mt at an average grade of 0.79%.
| Santa Rita Deposit Resources Table - January 2011 |
||||
|
Pit |
Classification |
tonnes |
Nickel grade (%) |
Copper grade (%) |
|
Open Pit1, 2 |
Measured |
16.3 |
0.57 |
0.14 |
|
|
Indicated |
156.0 |
0.51 |
0.13 |
|
|
Inferred |
25.7 |
0.53 |
0.14 |
|
Underground3, 4 |
Inferred |
87.5 |
0.79 |
0.23 |
1 Based on a weighted average cut-off grade of 0.25% nickel.
2 As of [December 31, 2010].
3 Based on a weighted average cut-off grade of 0.50% nickel.
4 As of [December 31, 2010].
Competent Persons
The information in on this website page, www.mirabela.com.au, that relates to Mineral Resources for the Santa Rita Nickel Deposit and is based on information compiled by Mr. Neil Inwood in 2011. The information in this report that relates to Metallurgical Results for the Santa Rita Nickel Deposit is based on information compiled by Mr Rod Smith in 2011. Both Messrs Inwood and Smith are Members of The Australasian Institute of Mining and Metallurgy. Messrs Smith and Inwood are Principal Consultants with Coffey Mining Pty Limited, the independent mining consultants engaged by Mirabela Nickel Limited. Messrs Smith and Inwood qualify as both a Competent Person as defined in the 2004 Edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (JORC Code) and as a Qualified Person in accordance with NI 43-101. Messrs Smith and Inwood consent to the inclusion in the presentation of the matters and defined Resources and Metallurgical information based on their information in the form and context in which it appears.
