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 79 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?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Breast Palpation Methods, Parallel Lines Breast Palpation Methods, Parallel Lines
Primary steps in fibrinolysis Primary steps in fibrinolysis
Select of Primary and Secondary Procedures Select of Primary and Secondary Procedures
Horizontal, sagittal, and coronal functional MRIs show areas of increased activity in the primary ... Horizontal, sagittal, and coronal functional MRIs show areas of increased activity in the primary ...
Primary factors affecting blood pressure Primary factors affecting blood pressure
Some of the most commonly used radiometric dating methods Some of the most commonly used radiometric dating methods
Video: Glucose anabolism reactions: Glycogenolysis and Gluconeogenesis

For a complete list of videos, visit our video library