Sentences with alluvial
al·lu·vi·al
A a - Despite his attempts to maintain secrecy, 3000 diggers swarmed into the valley within six months, turning the river into a filthy alluvial gold mine.
- Coltan is found in alluvial deposits or mined in primitive open-cut pits by workers.
- At first there were plenty of nuggets which encouraged shallow alluvial mining.
- The early discoveries of alluvial gold quickly gave way to the more difficult quartz-based gold.