Geography · Mining Types
जब वांछित धातु या खनिज किसी नदी के तल या बाढ़ के मैदान में भारी तलछट (sediment) के साथ जुड़े होते हैं, तब किस खनन विधि का उपयोग किया जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1इन-सिटु खनन (In situ mining)
- 2प्लेसर खनन (Placer mining)✓
- 3सतही खनन (Surface mining)
- 4भूमिगत खनन (Underground mining)
सही उत्तर देखें
प्लेसर खनन (Placer mining)
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