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 110 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?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Three Traditional Methods of Detecting Exoplanets Three Traditional Methods of Detecting Exoplanets
The primary pulse points of the body. The primary pulse points of the body.
Vitamins and Minerals Vitamins and Minerals
Vitamins and Minerals Vitamins and Minerals
Minerals are nonrenewable resources in limited supply Minerals are nonrenewable resources in limited supply
Minerals and Water Minerals and Water
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

For a complete list of videos, visit our video library