Corner Bay has extremely HIGH grade of Copper .
The ore has been reached over there by CCH . The processing of this ore has started at the Copper Rand Mill which is about 45 Km away . The CR mill is now working to almost full capacity because of ore from Copper Rand mine , Merrill Island Open Pit mine & now Corner Bay mine .
Below are the details of Corner Bay Grades .
NI 43-101 resources, at a 3% cutoff, are estimated by Campbell as follows:
Diluted to 1.6 min. vein width
Classification (%Cu cut-off) | Tonnage (tonnes) | Horizontal width (m) | Cu (%) | Specific Gravity |
| Measured | | | | |
| 0% | 302,000 | 2.28 | 3.53 | 3.19 |
| 2% | 208,000 | 2.55 | 4.73 | 3.23 |
| 3% | 181,000 | 2.67 | 5.07 | 3.23 |
| Indicated | | | | |
| 0% | 546,000 | 2.12 | 3.51 | 3.17 |
| 2% | 334,000 | 2.40 | 5.22 | 3.22 |
| 3% | 265,000 | 2.52 | 5.93 | 3.23 |
| Inferred | | | | |
| 0% | 3,156,000 | 2.42 | 3.82 | 3.19 |
| 2% | 1,861,000 | 3.09 | 5.84 | 3.24 |
| 3% | 1,441,000 | 3.15 | 6.76 | 3.25 |