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

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asked Jun 5, 2021 24.9k views

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Taras Vovkovych · Answer 1 · 2021-06-12T11:40:34+0000

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.

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

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