Mining Methods Flashcard

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What is open-pit mining?

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A surface mining method where large holes are excavated to extract minerals, typically used for metals like copper and gold.

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What is strip mining?

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A mining method that involves removing layers of soil and rock to expose ore or coal beneath, often used for coal extraction.

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What are gas explosions in mining?

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Hazards in underground mining where toxic gases are suddenly released, posing serious risks to miners.

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What is subsurface mining?

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A method of mining that involves extracting minerals from beneath the earth's surface, often through shafts or tunnels.

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What is the Surface Mining Control and Reclamation Act?

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A law that regulates the environmental effects of coal mining and mandates land reclamation after mining activities.

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What is the General Mining Law of 1872?

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A law that governs mining on federal lands in the United States, primarily for hard rock minerals.

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What is cave-in in mining?

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A mining hazard where the roof of a mine collapses, potentially trapping or injuring miners.

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What is solution mining?

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A method of extracting minerals by dissolving them in a solvent and pumping the solution to the surface.

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What is black lung disease?

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A respiratory disease caused by inhaling coal dust, affecting miners' health.

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What is the role of environmental regulations in mining?

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To minimize the environmental impact of mining activities and ensure sustainable practices.