How many types of underground coal mines method used?

1.	How many types of underground coal mines method used?
Answer» Answer: The WORLD's deepest mine is the Mponeng gold mine in South Africa, which extends to a depth of almost 2½ miles below the Earth's SURFACE. ... TYPES OF MINING ARE:---- 1.Room and Pillar Mining. 2.Cut and Fill Mining. 3.Sub-level Open STOPPING. 4.Shrinkage Stoping. 5.Long-wall Mining. 6.Block Caving. 7.Sub-level Caving PLEASE MARK IT AS BRAINLIEST...... EXPLANATION:

Answer»

Answer: The WORLD's deepest mine is the Mponeng gold mine in South Africa, which extends to a depth of almost 2½ miles below the Earth's SURFACE. ... TYPES OF MINING ARE:----

1.Room and Pillar Mining.

2.Cut and Fill Mining.

3.Sub-level Open STOPPING.

4.Shrinkage Stoping.

5.Long-wall Mining.

6.Block Caving.

7.Sub-level Caving

PLEASE MARK IT AS BRAINLIEST......

EXPLANATION:

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How many types of underground coal mines method used?

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