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Author Question: What are the four primary methods of separating ore minerals from nonvaluable minerals? What will be ... (Read 60 times)

cartlidgeashley

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on: Jul 15, 2018
What are the four primary methods of separating ore minerals from nonvaluable minerals? What will be an ideal response?

Question 2

What is the primary advantage of hydraulic mining, and what are its drawbacks? What will be an ideal response?


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thall411

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Reply #1 on: Jul 15, 2018
Answer to Question 1

They are flotation, gravity, magnetic and chemical methods.

Answer to Question 2

The advantage is that it is efficient. The drawbacks fall under the heading of destruction of the land.
Hydraulic mining increases downstream flooding, clogs irrigation systems, and ruins farmland. In
addition, there are negative impacts to the biosphere, such as mercury contamination from gold
extraction operations and destruction of spawning grounds for various fish species



cartlidgeashley

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Reply #2 on: Jul 15, 2018
Correct answers!


thall411

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Reply #3 on: Jul 15, 2018
Great! Please up vote :D


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