Ore Reserves are tabulated by classification category for each MMG operation or project.
| Sepon Ore Reserves |
|
Contained
Metal |
|
Tonnes
(Mt) |
Copper
grade
(% Cu) |
Gold
grade
(g/t Au) |
Silver
grade
(g/t Ag) |
Copper
('000 t) |
Gold
(Moz) |
Silver
(Moz) |
| Sepon Gold Deposits |
|
|
|
|
|
|
|
| Proved |
2.4 |
- |
1.0 |
1 |
- |
0.1 |
0.1 |
| Probable |
1.2 |
- |
2.1 |
5 |
- |
0.1 |
0.2 |
| Total |
3.5 |
- |
1.4 |
2 |
- |
0.2 |
0.3 |
| Sepon Copper Deposits |
|
|
|
|
|
|
|
| Proved |
13.6 |
4.1 |
- |
- |
557.1 |
- |
- |
| Probable |
5.0 |
4.1 |
- |
- |
206.3 |
- |
- |
| Total |
18.6 |
4.1 |
- |
- |
763.4 |
- |
- |
| Total Ore Reserves |
|
|
|
|
763.4 |
0.2 |
0.3 |
Cut-off grades for gold deposits range from 0.45 to 0.6 g/t Au based on metallurgical recovery
and haulage distance using a gold price of US$900/oz.
Cut-off grades for copper deposits range from 1.0 to 1.8% Cu based on metallurgical recovery
and haulage distance using a $2.00/lb Cu price.
Competent Persons:
Olivier Varaud (Member of AusIMM, employee of MMG)
| Century Ore Reserves |
| |
Contained
Metal |
|
Tonnes
(Mt) |
Zinc
grade
(% Zn) |
Lead
grade
(% Pb) |
Silver
grade
(g/t Ag) |
Zinc
('000 t) |
Lead
('000 t) |
Silver
(Moz) |
| Proved |
20.5 |
11.6 |
1.0 |
18 |
2378.0 |
205.0 |
11.9 |
| Probable |
9.7 |
10.5 |
1.2 |
24 |
1018.5 |
116.4 |
7.5 |
| Total Ore Reserves |
30.2 |
11.2 |
1.1 |
20 |
3396.5 |
321.4 |
19.3 |
Cut-off grade based zinc equivalent grade of 4.85%, using a zinc price of US$.74/lb, lead price of US$0.65/lb, silver price of $12/oz and 0.73 exchange rate.
Competent Persons:
Johan Botha (Member of AusIMM, employee of MMG)
| Golden Grove Ore Reserves |
|
|
Contained
Metal |
|
Tonnes
(Mt) |
Zinc
grade
(% Zn) |
Copper
grade
(% Cu) |
Lead
grade
(% Pb) |
Silver
grade
(g/t Ag) |
Gold
grade
(g/t Ag) |
Zinc
('000 t) |
Copper
(' 000t) |
Lead
(' 000t) |
Silver
(Moz) |
Gold
(Moz) |
| Primary Zinc |
|
|
|
|
|
|
|
|
|
|
|
| Proved |
1.2 |
12.5 |
0.4 |
1.5 |
73 |
1.6 |
148.2 |
4.7 |
17.6 |
2.8 |
0.1 |
| Probable |
0.9 |
11.0 |
0.4 |
1.7 |
95 |
2.0 |
101.2 |
3.2 |
15.5 |
2.8 |
0.1 |
| Total |
2.1 |
11.8 |
0.4 |
1.6 |
82 |
1.7 |
249.4 |
8.0 |
33.1 |
5.6 |
0.1 |
| Primary Copper |
|
|
|
|
|
|
|
|
|
|
|
| Proved |
2.6 |
0.4 |
3.5 |
0.0 |
18 |
0.4 |
11.5 |
90.0 |
0.5 |
1.5 |
0.0 |
| Probable |
1.0 |
0.4 |
3.2 |
0.1 |
21 |
0.5 |
4.2 |
33.4 |
0.6 |
0.7 |
0.0 |
| Total |
3.6 |
0.4 |
3.4 |
0.0 |
19 |
0.5 |
15.7 |
123.4 |
1.1 |
2.2 |
0.1 |
| Total Ore Reserves |
|
|
|
|
|
|
265.1 |
131.3 |
34.1 |
7.8 |
0.2 |
Cut-off grade based on Nett Smelter Return values that range from A$100/t to $110/t, using a copper price of US$2.00/lb, zinc price of US$0.90/lb, lead price of US$0.70/lb, silver price of $11/oz, gold price of US$750/oz and 0.75 exchange rate.
Competent Persons:
Glen Carthew (Member of AusIMM, employee Optiro Pty Ltd)
Angus Henderson (Member of AusIMM, employee of MMG)
| Rosebery Ore Reserves |
|
|
Contained
Metal |
|
Tonnes
(Mt) |
Zinc
grade
(% Zn) |
Copper
grade
(% Cu) |
Lead
grade
(% Pb) |
Silver
grade
(g/t Ag) |
Gold
grade
(g/t Ag) |
Zinc
('000 t) |
Copper
(' 000t) |
Lead
(' 000t) |
Silver
(Moz) |
Gold
(Moz) |
| Proved |
1.7 |
13.3 |
0.4 |
3.6 |
131 |
1.8 |
229.9 |
6.6 |
62.2 |
7.3 |
0.1 |
| Probable |
1.4 |
15.7 |
0.5 |
3.8 |
129 |
1.8 |
223.1 |
6.5 |
54.0 |
5.9 |
0.1 |
| Total Ore Reserves |
3.2 |
14.4 |
0.4 |
3.7 |
130 |
1.8 |
453.1 |
13.1 |
116.2 |
13.2 |
0.2 |
Cut-off grade based on Nett Smelter Return value of A$175/t, using a copper price of US$2.00/lb, zinc price of US$0.90/lb, lead price of US$0.70/lb, silver price of $11/oz, gold price of US$750/oz and 0.75 exchange rate.
Competent Persons:
Competent Person:
Geoff Newling (Member of AusIMM, employee of MMG)
The information in this report that relates to Ore Reserves is based on information compiled by the listed competent persons, who are Members or Fellows of the Australasian Institute of Mining and Metallurgy, the Australian Institute of Geoscientists or a 'ROPO' and have sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity which they are undertaking to qualify as Competent Persons as defined in the 2004 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves’ (JORC Code). Each of the Competent Persons has given consent to the inclusion in the report of the matters based on their information in the form and context in which it appears.