gangue
1
9.9
Rock and dirt that surround or are mixed with valuable minerals
- noun
- /ɡæŋɡ/
- Specialized
:
ganga
- When processing coal, large amounts of gangue can reduce the efficiency of the operation if not removed.
Examples
-
In spontaneous combustion, coal gangue can also be grass, beautifying the environment.
Blog text (1) -
It is discovered that the crude ores can discard 75.66% certified gangue following the moist pre-choice.
Blog text (17) -
The miners separated the valuable ore from the gangue, discarding the unwanted rock material.
-
During the extraction process, it is important to minimize the amount of gangue mixed with the precious metals.
Antonyms
Surface Forms
Etymology
Gangue comes from a French word gangue meaning 'rubbish' or 'waste rock'. So in mining gangue is the worthless material that surrounds valuable ore, like the 'rubbish' around a piece of gold.