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9. What is the term for a mining method used extensively in the flat dipping
South African gold fields but is little seen elsewhere?
A. jackleg drilling
B. breast stooping
C. mechanized mining
D. blasting
10. For how many years will nowadays exploration areas be granted under
the 2002 Mineral and Petroleum Development Act?
A. 7 years
B. 6 years
C. 5 years
D. 4 years
11. Where was the mechanization mostly successful?
A. wide stopes
B. narrow stopes
C. gullies
D. breast stopes
12. What does backfilling mean?
A. holes in the rock to place an explosive
B. a sudden and violent rock failure
C. waste material used to fill the void created by mining
D. a vertical hole between mine levels used to move ore
13. What is the antonym for the word “footwall”?
A. flank
B. top
C. bottom
D. floor