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Gold mines in South Africa, the deepest mines, reach a depth of about:
A1 to 2 km
B3 to 4 km
C12 to 14 km
D30 to 40 km
Answer & Solution
Correct answer: B. 3 to 4 km
1. Beyond that it is too hot to dig.
2. The mines are 3 to 4 km deep.
3. Drilling projects go deeper than mines.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 3, Interior of the Earth._
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