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Arctic Islands
2
Cornwallis Island
Little Cornwallis Island
2
Mississippi-Valley type
2
Polaris Mine
2
lead
2
mining
2
zinc
2
Key words
1
Petite île Cornwallis
1
archipel Arctique
1
courbe de découverte
1
discovery curve
1
exploitation minière
1
mine Polaris
1
mineral
1
mineral potential
1
plomb
1
potentiel minier
1
type de la vallée du Mississippi
1
île Cornwallis
1
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