Placer Mining (Noun)
Meaning
Mining valuable minerals from a placer by washing or dredging.
Classification
Nouns denoting acts or actions.
Examples
- Placer mining was a common method used during the California Gold Rush to extract gold from streams and rivers.
- The process of placer mining involves washing away soil and gravel to reveal valuable minerals such as gold, platinum, and diamonds.
- Placer mining has been used for centuries to extract valuable minerals from alluvial deposits, which are deposits of sand and gravel that contain minerals.
- In the late 19th century, placer mining became a major industry in Alaska, with many miners using dredges to extract gold from rivers and streams.
- Placer mining can be done on a small scale by individual prospectors or on a large scale by commercial mining companies using heavy machinery.