placer mining

ریشه

From Spanish 'placer' meaning 'sandbank' or 'alluvial deposit' and 'mining' referring to the process of extracting minerals.

مثال

• Placer mining was a common practice during the gold rush.
• The region has a long history of placer mining.
• Modern placer mining techniques have improved efficiency and environmental impact.

ترکیب‌های رایج

Traditional placer mining Mechanized placer mining Placer mining equipment