This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What are the four primary methods of separating ore minerals from nonvaluable minerals? What will be ... (Read 75 times)

cartlidgeashley

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


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
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

  • Hero Member
  • *****
  • Posts: 572
Reply #2 on: Jul 15, 2018
Correct answers!


thall411

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 15, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Breast Palpation Methods, Parallel Lines Breast Palpation Methods, Parallel Lines
Appropriate teaching methods Appropriate teaching methods
Primary rainbows are the brightest and most common. Primary rainbows are the brightest and most common.
Selective breeding is one of the oldest methods of genetic alteration of plants Selective breeding is one of the oldest methods of genetic alteration of plants
Satellite data on primary productivity in the equatorial Pacific Ocean Satellite data on primary productivity in the equatorial Pacific Ocean
Examples of Conditions Detected by Prenatal Genetic Screening Methods Examples of Conditions Detected by Prenatal Genetic Screening Methods
Video: Major Elements in Biological Molecules: Lipids

For a complete list of videos, visit our video library