Serrote Deposit Mineral Resource as of February 2009*
|
Resource Category |
Tonnes (000) |
Cu (%) |
Au (g/t) |
Fe (%) |
Eq Cu (%) |
|
Measured |
82,130 |
0.49 |
0.09 |
16.51 |
0.71 |
|
Indicated |
113,759 |
0.50 |
0.09 |
14.74 |
0.70 |
|
Total Measured and
Indicated Resources |
195,889 |
0.49 |
0.09 |
15.48 |
0.70 |
|
Inferred |
31,267 |
0.49 |
0.09 |
14.01 |
0.68 |
* Based on 0.3% Cu equivalent cut-off grade. The equivalence formula (EQCu = %Cu + g/t Au x 0.564 + Fe x 0.01) was calculated using metal pricing of $1.70 per pound copper, $59 per tonne iron concentrate and $730 per troy ounce gold with estimated recoveries of 80% Cu, 70% Au and 42% Fe. Numbers may not add due to rounding.
Approximately 90% of the resource in the Serrote deposit lies within the sulphide zone, with the remainder lying within the overlying oxide/transition zone.
Caboclo Deposit Mineral Resource as of February 2009*
|
Resource Category |
Tonnes (000) |
Cu (%) |
Au (g/t) |
Fe (%) |
Eq Cu (%) |
|
Measured |
3,177 |
0.58 |
0.17 |
20.71 |
0.89 |
|
Indicated |
4,409 |
0.57 |
0.15 |
18.35 |
0.89 |
|
Total Measured and
Indicated Resources |
7,587 |
0.57 |
0.16 |
19.34 |
0.86 |
|
Inferred |
4,616 |
0.57 |
0.11 |
14.24 |
0.77 |
* Based on 0.3% Cu equivalent cut-off grade. The equivalence formula (EQCu = %Cu + g/t Au x 0.564 + Fe x 0.01) was calculated using metal pricing of $1.70 per pound copper, $59 per tonne iron concentrate and $730 per troy ounce gold with estimated recoveries of 80% Cu, 70% Au and 42% Fe. Numbers may not add due to rounding.
For more information on the Serrote and Caboclo deposit mineral resources, please consult the technical report dated April 9, 2009, and entitled “Mineral Resource Update, Serrote da Laje and Caboclo Deposits of the Arapiraca Copper-Gold-Iron Ore Project, State of Alagoas, Brazil” prepared for Aura Minerals by Ronald G. Simpson, P.Geo. of GeoSim Services Inc., a copy of which may be found on SEDAR at www.sedar.com.