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Recently Completed Work Programs
In 2005 Bonanza commissioned AMEC E & C Services Inc., a respected international engineering firm, to complete a NI 43-101 compliant resource estimate. As previously announced the AMEC estimated mineral resource, effective January, 2006, and based on a cutoff grade of 5.1 g/t gold and capped at 137 g/t gold was reported as:
COPPERSTONE MINERAL RESOURCE
| Zones |
Classification |
Tonnes |
Gold Grade
(grams/tonne) |
Contained Ounces
of Gold |
| A, B, C and D |
Measured + Indicated |
970,400 |
10.73 |
334,929 |
| A, B, C and D |
Inferred |
189,600 |
10.87 |
66,266 |
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