Geography · Mining Exploration Techniques
Which of the following statements is NOT true with respect to churn drilling? i. It is also known as percussion drilling. ii. Sludge deposits are typically sampled at 1.5 m intervals. iii. It is highly suitable for drilling and testing extremely hard, solid rock formations.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ii and iii
- 2Only iii✓
- 3Only ii
- 4Only i
Correct answer
Only iii
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