Synonyms and Antonyms for placer-mining
1. placer mining (n.)
mining valuable minerals from a placer by washing or dredging
2. mining (n.)
the act of extracting ores or coal etc from the earth
3. placer (n.)
an alluvial deposit that contains particles of some valuable mineral
4. mining (n.)
laying explosive mines in concealed places to destroy enemy personnel and equipment
