waste rock उदाहरण वाक्य

उदाहरण वाक्य

1. Blyvoor also treats gold-bearing slimes dams and waste rock dumps.
2. Shamberg said his client did not think the limit applied to any accompanying waste rock.
3. Girls in their mid-teens cobbed the resulting chunks, separating the valuable ore from waste rock.
4. Waste rock is piled up at the surface, near the edge of the open pit.
5. Picked samples from waste rock dumps were said to contain copper and low nickel values.
6. Fully excavated primary stopes are filled with waste rock.
7. Leaching of metals and acids from waste rocks into the environment is a valid concern.
8. Much of the waste rock was dumped just northeast of the shaft near a small wetland.
9. Improvements in mining equipment, and bigger trucks for moving ore and waste rock, have cut costs.
10. The mine closure left a 75-million tonne waste rock dump covering an area of approximately 117 hectares.