- 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 ...
Un hydrous phosphate de ferreux ferrique, Fe <sub>2 +</sub> Fe <sub>3 + 2</sub> (PO <sub>4</sub>) <sub>2</sub> (OH) <sub>2</sub> ; se présente sous forme de graines noires du Brésil.
Industry:Mining
Un hydrous phosphate de ferreux ferrique, Fe <sub>2 +</sub> Fe <sub>3 + 2</sub> (PO <sub>4</sub>) <sub>2</sub> (OH) <sub>2</sub> ; se présente sous forme de graines noires du Brésil.
Industry:Mining
Porumb. Inferioare porţiuni de minereu separat de cele mai bune de minereu de cobbing.
Industry:Mining
Porumb. Minerale stânga după minereu de bun a fost eliminat; iazul de decantare.
Industry:Mining
Porumb. Pentru a rupe rock din peretii de un filon bogat pentru a se deplasa de ore fără a lua cu ea de mult gangue.
Industry:Mining