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The San Dimas gold-silver deposit is one of the most significant precious metal deposits in Mexico in a large and productive mining district.
The San Dimas mines are underground operations using primarily mechanized cut-and-fill mining methods. After milling, cyanidation, precipitation and smelting, dore bars are poured and then transported to the United States for refining. |
OPERATING STATISTICS
|
Luismin (100%) |
2004
(actual) |
2005
(actual) |
2006
(actual) |
2007
(actual) |
|
Ore Milled |
790,100 |
814,200 |
1,085,700 |
845,594 |
| Gold Grade |
5.58 |
5.94 |
6.34 |
6.43 |
| Silver Grade |
297 |
343 |
328 |
337 |
| Gold Recovery |
95% |
95% |
94% |
94% |
| Silver Recovery |
90% |
89% |
89% |
91% |
| Production Gold Oz |
132,500 |
145,300 |
208,400 |
163,300 |
| Production Silver Oz |
6,665,500 |
6,797,300 |
8,931,700 |
6,965,600 |
| Total Cash Costs* |
$97 |
$119 |
$131 |
$259 |
* Subsequent to October 15, 2004, all Luismin silver is sold toSilver Wheaton at a price of $3.90 per ounce. The calculation of total cash costs per ounce of gold is net of by-product silver sales revenue of $3.90 per silver ounce (pro forma basis prior to October 15, 2004)
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