FORESTRY
REMOTE SENSING
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which of the following is a key characteristic of open pit mining?
|
|
Suitable for ore bodies close to the surface
|
|
|
Good ventilation is necessary
|
|
|
Less waste rock needs to be removed
|
|
|
Takes longer to set up
|
Explanation:
Detailed explanation-1: -In hard rock mining, much of the world’s annual output of copper, gold and iron ore is won from open-pit operations. Other commodities produced from open-pit mining include diamonds, molybdenum, manganese, lead and zinc, uranium and a variety of industrial minerals, such as borates, talc and specialist clays.
There is 1 question to complete.