This topic contains a solution. Click here to go to the answer

Author Question: What are the four primary methods of separating ore minerals from nonvaluable minerals? What will be ... (Read 47 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
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?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

thall411

  • Sr. Member
  • ****
  • Posts: 332
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






 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

For a complete list of videos, visit our video library