Question

Explain any three features of underground mining methods in different countries of the world.

Answer 1

Answer:

Underground hard mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals[1] such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubies. Soft rock mining refers to excavation of softer minerals such as salt, coal, or oil sands.

Answer 2

Following are three features of underground mining methods in different parts of the world:

North Africa:

• The mining done here for gold and other minerals is predominantly labor intensive.

• Very little to no help of technology is taken for the purpose of mining.

North America:

• The methods of mining used in this part of the world are hi-tech and considerably safe.

• There are very less accidental labor deaths in the mines here.

The Middle-East:

• The mining of crude oil performed in the middle east has been recognized to cause heavy pollution.

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