mahaalguheim mahaalguheim

03-02-2020
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How are placer mining, hydraulic mining, and hard-rock mining different?

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awdreey awdreey

03-02-2020

These are different because the way the rock is worked differs, as well as the type of rock.

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aimanya7ya aimanya7ya

03-02-2020

Answer:

placer mining , hydraulic mining method od mining that uses water under high pressure to blast away gravel and dirt to expose the minerals underneath.

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