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MINING

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The Operational History of Mines in the Northwest Territories ...

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Basics in Minerals Processing - e-Disciplinas

3:45. Technical data: Spherical roller bearing supported ball mills ... To produce fines or filler from mineral fractions by increasing the specific surface. Grinding methods ... this cycle to counteract cracking of the shrinking cake. Step 1 – ... 2.7 - 2.8. Tantalite. 5.2 - 8.2. Tetrahedrite. 5.0. Thorite. 4.5 - 5.4. Topaz. 3.5 - 3.6.

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