"rock" nach Englisch mit Beispielen - Kollokationen-Wörterbuch Englisch
- An additional 200 to 300 million tons of waste rock with little or no ore are also removed from open pits each year.
- Because the waste rock and soil have little or no practical use, they are generally stored on land near the mine site.
- At the same time the mining method is designed to ensure that no waste rock needs to be hauled to the surface.
- Tiny particles of gold sticking to the waste rock were gathered in this way.
- Most of the waste rock from this operation is expected to be placed in the depleted Main pit.
- Leaching of metals and acids from waste rocks into the environment is a valid concern.
- If the waste rock is destined for sale, he said, then the mine needs a separate quarry permit.
- If a mine also wanted to sell waste rock, he said, then it must apply for a separate permit.
- Concentrate can also refer to the residue valuable metal from which most of the waste rock has been removed.
- At its peak, the industry produced approximately 170 tonnes of waste rock annually.
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