- Industry: Mining
- Number of terms: 33118
- Number of blossaries: 0
- Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
Clay, particularly china clay, that has been dried and air separated to remove any coarse particles.
Industry:Mining
Clayey soil containing thin alternate layers of different particle sizes; often combine the undesirable properties of clay and silt; formed from seasonal deposits from glacial streams.
Industry:Mining
Clean gravel, the particles of which are similar in size to that of peas.
Industry:Mining