- Industri: 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 ...
A chlorination process for recovering gold from its ore. For each ton (0.9 t) of ore in a revolving drum, 130 gal (492 L) of water, 30 lb (13.6 kg) of lime chloride, and 36 lb (16.3 kg) of concentrated sulfuric acid are added, and the drum is revolved for some time. A solution of gold chloride is thus obtained.
Industry:Mining
A chondritic stony meteorite composed of bronzite and olivine in a friable, breccialike mass of chondrules.
Industry:Mining
A chorismite having miarolitic cavities or remnants thereof; a variety of ophthalmite.
Industry:Mining
A chromiferous clay; specif. a bright-green clay material containing 2% to 10.5% Cr<sub>2</sub>O<sub>3</sub>.
Industry:Mining