- 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 ...                             
                                                     
                        Any light-colored crystalline carbonate mineral that is colored brown by the presence of iron; e.g., ankerite, dolomite, magnesite, or siderite.    
    
    						Industry:Mining    
									Any line joining points of equal magnetic intensity. Applicable to the total intensity or the vertical, horizontal, north-south, or east-west components. So used in terrestrial magnetism literature, esp. in British and Canadian writings.    
    
    						Industry:Mining    
									Any machine used for cutting metal, such as a boring machine, drill, grinder, planing machine, hobber, shaper, or lathe.    
    
    						Industry:Mining    
									Any machine used to drill holes or cut tunnels in native rock; a gang drill, or tunneling machine, but most commonly a small form of locomotive, bearing a rock-drilling mechanism, and operating on a track laid temporarily along or opposite the ledge to be cut.    
    
    						Industry:Mining    
									Any map showing relief by means of contours, hachures, shading, tinting, or any other convention.    
    
    						Industry:Mining    
									Any material that has been prepared artificially and has the property of luminescence, regardless of whether it exhibits phosphorescence.    
    
    						Industry:Mining    
									Any material that will neither ignite nor actively support combustion in air at 1,200 degrees F (649 degrees C) when exposed to fire.    
    
    						Industry:Mining    
									Any material that, at the time of charging, is at a temperature of 70 degrees C or higher.    
    
    						Industry:Mining    
									Any measurement instrument that is designed to measure the thickness of the coal remaining on the mine roof or floor after coal is removed by mining.    
    
    						Industry:Mining    
									 
  				
