Northgate Exploration Limited - Minerals North
Northgate Exploration Limited - Minerals North
Northgate Exploration Limited - Minerals North
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Kemess Mine Overview<br />
Metallurgical Improvements<br />
Recoveries have increased even as grades have declined.<br />
Gold<br />
Copper<br />
Recovery (%)<br />
76<br />
72<br />
68<br />
64<br />
60<br />
Target: 73.5%<br />
2000 2001 2002 2003<br />
0.9<br />
0.8<br />
0.7<br />
0.6<br />
Grade (gmt)<br />
Recovery (%)<br />
88<br />
83<br />
78<br />
73<br />
68<br />
Target – 85%<br />
2000 2001 2002 2003<br />
0.28<br />
0.24<br />
0.2<br />
0.16<br />
0.12<br />
Grade (%)<br />
Recovery<br />
Grade<br />
Recovery<br />
Grade
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