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need to crush the gold ore bearing rock wikipedia

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    The weight of the capping and ore provides the force to crush and move the ore downward, where it is drawn from the raises beneath, trammed to the shaft or decline, and hoisted to the surface. ... High-grader – One who steals rich ore, especially gold, from a mine. Highly enriched uranium ... Muck – Ore or rock that has been broken by blasting.

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  • Gold Choices: Klondike Gold Rush For Kids

    The surface outcrop of a gold-bearing vein may be oxidized, so that the gold occurs as native gold, and the ore needs only to be crushed and washed (free milling ore). The first miners may at first build a simple arrastra to crush their ore; later, they may build stamp mills to crush ore more quickly.

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