Resources
As at December 31, 2012 (100% – only the last column shows our share)
Measured and indicated
(tonnes in thousands; pounds in millions)
| Measured | Indicated | Total measured and indicated | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Property | Mining method |
Tonnes | Grade % U3O8 |
Content (lbs U3O8) |
Tonnes | Grade % U3O8 |
Content (lbs U3O8) |
Tonnes | Grade % U3O8 |
Content (lbs U3O8) |
Cameco's share (lbs U3O8) |
| McArthur River | underground | 81.7 | 4.83 | 8.7 | 15.5 | 9.97 | 3.4 | 97.2 | 5.65 | 12.1 | 8.5 |
| Cigar Lake | underground | 18.9 | 1.68 | 0.7 | 25.5 | 2.71 | 1.5 | 44.4 | 2.27 | 2.2 | 1.1 |
| Kintyre | open pit | 4,315.4 | 0.58 | 55.2 | 4,315.4 | 0.58 | 55.2 | 38.7 | |||
| Rabbit Lake | underground | 485.6 | 0.60 | 6.4 | 485.6 | 0.60 | 6.4 | 6.4 | |||
| Dawn Lake | open pit, underground | 347.0 | 1.69 | 12.9 | 347.0 | 1.69 | 12.9 | 7.4 | |||
| Millennium | underground | 742.7 | 4.16 | 68.2 | 742.7 | 4.16 | 68.2 | 47.7 | |||
| Phoenix | underground | 152.4 | 15.60 | 52.3 | 152.4 | 15.60 | 52.3 | 15.7 | |||
| Tamarack | underground | 183.8 | 4.42 | 17.9 | 183.8 | 4.42 | 17.9 | 10.3 | |||
| Inkai | ISR | 28,992.7 | 0.08 | 48.6 | 28,992.7 | 0.08 | 48.6 | 28.0 | |||
| Gas Hills-Peach | ISR | 1,964.2 | 0.08 | 3.4 | 6,857.9 | 0.12 | 18.8 | 8,822.1 | 0.11 | 22.2 | 22.2 |
| North Butte-Brown Ranch | ISR | 7,248.9 | 0.08 | 12.3 | 7,248.9 | 0.08 | 12.3 | 12.3 | |||
| Smith Ranch-Highland | ISR | 2,324.5 | 0.10 | 5.2 | 14,618.1 | 0.06 | 17.8 | 16,942.6 | 0.06 | 23.0 | 23.0 |
| Crow Butte | ISR | 2,595.1 | 0.21 | 12.2 | 2,595.1 | 0.21 | 12.2 | 12.2 | |||
| Ruby Ranch | ISR | 2,215.3 | 0.08 | 4.1 | 2,215.3 | 0.08 | 4.1 | 4.1 | |||
| Ruth | ISR | 1,080.5 | 0.09 | 2.1 | 1,080.5 | 0.09 | 2.1 | 2.1 | |||
| Shirley Basin | ISR | 89.2 | 0.16 | 0.3 | 1,638.2 | 0.11 | 4.1 | 1,727.4 | 0.12 | 4.4 | 4.4 |
| Total | 4,478.5 | — | 18.3 | 71,514.6 | — | 337.8 | 75,993.1 | — | 356.1 | 244.1 | |
Inferred
(tonnes in thousands; pounds in millions)
| Property | Mining method |
Tonnes | Grade % U3O8 |
Content (lbs U3O8) |
Cameco's share (lbs U3O8) |
|---|---|---|---|---|---|
| McArthur River | underground | 329.4 | 7.78 | 56.5 | 39.5 |
| Cigar Lake | underground | 373.4 | 12.01 | 98.9 | 49.5 |
| Kintyre | open pit | 950.2 | 0.46 | 9.6 | 6.7 |
| Rabbit Lake | underground | 375.0 | 1.24 | 10.3 | 10.3 |
| Millennium | underground | 191.5 | 5.29 | 22.3 | 15.6 |
| Phoenix | underground | 11.6 | 29.80 | 7.6 | 2.3 |
| Tamarack | underground | 45.6 | 1.02 | 1.0 | 0.6 |
| Inkai | ISR | 254,606.1 | 0.05 | 255.0 | 146.6 |
| Gas Hills-Peach | ISR | 861.5 | 0.07 | 1.3 | 1.3 |
| North Butte-Brown Ranch | ISR | 594.3 | 0.06 | 0.8 | 0.8 |
| Smith Ranch-Highland | ISR | 6,404.0 | 0.05 | 6.6 | 6.6 |
| Crow Butte | ISR | 2,114.6 | 0.12 | 5.4 | 5.4 |
| Ruby Ranch | ISR | 56.2 | 0.14 | 0.2 | 0.2 |
| Ruth | ISR | 210.9 | 0.08 | 0.4 | 0.4 |
| Shirley Basin | ISR | 508.0 | 0.10 | 1.1 | 1.1 |
| Total | 267,632.3 | — | 477.0 | 286.9 |
Notes
ISR – in situ recovery
Mineral resources do not include amounts that have been identified as mineral reserves.
Mineral resources do not have demonstrated economic viability. Totals may not add up due to rounding.